. 11 12. If temperatures do not decrease, reduce the engine rpm. . . . The output speed signal is generated by a toothed member attached to the output shaft (except for the 3000 Product Family 7-speed models, where the toothed member is the transfer case idler gear). TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND. . . . . . . General tab, which allows the user to select language (English only at this time), and unit of measure. . Codes related to the CHECK TRANS light are detailed in the diagnostic trouble code chart (refer to Section 6). . . . . . . . . . . * Some transmissions used in oil field service default to neutral, 41. . . . . revision, for detailed information on the recommended cleaners. The engine should never be operated for more than ten (10) seconds at full throttle, CAUTION: with the transmission in range and the output stalled. 116 A. Retarder . . . . . . . Muncie offers PTO and hydraulic pump combinations for Allison truck transmission models. . . NOTE: Information concerning specific items is contained in the appendices located in the back of this manual. Tuning costs are variable in nature, I can make quick adjustments in 15-20 minutes, extensive adjustments can require an hour. . . . . Other CMCs can be changed at any time and are not related to autodetect. . . . . . . . . . . The Filter Life Valve is de-stroked off the return spring in this condition because lockup pressure is high enough to keep main pressure (before the filter) from stroking the valve. . . . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. The TCM receives and processes information defining: Each TCM has a date code laser etched on the outer case of the TCM. . . . . External Wiring Harness. 55 A. Fluid Level Check Procedure . Allison 4th Generation Control Modules, Figure 18. . . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. . . . . . . C1 D. WIRE/CONNECTOR CHART . . . . . . . During an electrical interruption, the latch valves cause the transmission to engage specific clutches based on the range in which the transmission was operating when the interruption occurred. . NOTE: Required calendar-based fluid change intervals are not monitored by this function and those intervals remain applicable to all vehicle installations in addition to the above. . . . . Common Allison 3000 Transmission Problems. . . INPUT FUNCTIONS . . . . . . . . . . . . . . . SCTI provides a technical HELPLINE at, Remote 12V or 12/24V Max Feature Sealed Transmission Control Module (TCM), Remote Pushbutton or Lever Shift Selector, Throttle Position Sensor (TPS) or electronic engine throttle data or PWM signal, Engine, Turbine, and Output Speed Sensors, Optional Engine Coolant Temperature Input. . . . . . Pro Tip: Keep your Allison transmission well-maintained to avoid accidentally triggering limp mode. . . Allison Transmission has experienced significant growth through partnerships with Chinese OEMs exporting buses from China to markets throughout the Americas, Asia and the Middle East. Use this manual as an aid to troubleshooting the Allison 4th Generation Controls. SPECIAL ELECTRONIC/ELECTRICAL TOOLS . . . . 5VDC supplied by the TCM. . . . . . . . . . . . . . It depends on the transmission and PTO. 53 A. Fluid Level Reading Procedure. Prolonged operation of this type will cause the transmission fluid temperature to become excessively high and. . OM Display: The selector display is a two-digit number, showing the percentage of fluid life remaining. Do this for both wires in the circuit being tested. . . . . The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . SYSTEM OVERVIEW . . Both types have the same part number 23014539. . The appendices are referred to throughout the manual. The four items above are the only CMCs that are autodetectable. . However, this manual does provide a starting point from which most problems can be resolved. . . . The lever shift selector can have as many as six forward range positions (seven for the 7-speed models), as well as R (Reverse) and N (Neutral). . . . . . TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For. . . . . . . . . . . . . . . . . Dont keep driving a vehicle with a faulty part! . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . . . Refer to Appendix A if a circuit problem is suspected. Diagnostic and oil level (if sensor is present) information is obtained from the LED display by pressing the display mode button. . . . . . . Location. . TRANSMISSION . Repair parts for the internal wiring harness and for wiring harness components attached to the shift selector will be available through the Allison Transmission Parts Distribution Center (PDC). . Allison DOC For PCService Tool uses a Windows style graphical user interface (GUI) and includes: User selected views of multiple transmission parameters, Active and historical diagnostic trouble codes (DTCs), Graphical instrument panel view of transmission parameters, Code driven links to embedded Allison 4th Generation Control System Troubleshooting Manuals, Reprogramming capability (available after satisfying Allison Transmission training certification requirements), Demo Mode which allows the user to practice the program without being connected to a vehicle, New animated screen by screen help support (found in Help, Video-based training materials, Allison DOC For PCService Tool Training Videos). . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . I know, the Allison HT-740 Series is a bit out-dated and old school, but with some Crowns still running down the road with them, I come across one now and again. . . . Rebuilt, New and Used Allison transmission Power Take Offs from Parker Chelsea, Muncie and More. Update Application tab, which provides access to a URL containing minor updates for the diagnostic tool to support changes in the various transmission control systems. . . . All Allison transmissions are PTO ready. . The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. . . . The TCM issues commands to various solenoids in the two valve bodies to govern fluid flow to the clutches (including torque converter clutch). . . . Applications are diverse and include oil-. When installed on the users own PC, it will allow the technician to acquire data from the transmissions control system and through the use of embedded troubleshooting manuals, conduct systematic troubleshooting of transmission complaints. . . Use special tools when and in the manner recommended. . . . Allison, PTO internal leak "from" transmission. . . . . . Transmission Fluid The hard shifting problem is often linked with low transmission fluid levels. Use the Allison shift selector to review the current status of any of these functions, provided the function being checked is in its specific display mode. This manual provides troubleshooting information for the 3000 and 4000 Product Families Transmissions. . . . . If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. . . . Autodetect is active on the first 25 engine starts and, in the case of throttle source detection logic, may continue past 25 ignition cycles until a valid source is determined (details follow in A through D below). . 31 33. . . . . . . . . . DIAGNOSTIC CODE RESPONSE . . . . . . . . . . . The engine must be compatible with the transmission rating. . . . . . CHECK TRANS LIGHT . . . . . 1 o'clock position: 1.00 x engine speed. . . We make every effort to keep our service information current and accurate. . DIAGNOSTIC CODE MEMORY. . Dont keep driving a vehicle with a faulty part! . . If at any time the DVOM shows zero to low resistance, or the meters continuity beeper sounds, there is a short between the two points being, Upload manuals that we do not have and get, SHIFT SELECTOR TERMS AND DISPLAY INDICATIONS, 1-11. Locate and repair the damaged portion of the wire. . The exception is when C5 clutch is applied. Shut off the engine and ignition before any harness connectors are disconnected or connected. . . The Allison 4th Generation Series transmission control module contains a main body assembly and solenoid valve body assembly, which are mounted to an aluminum channel plate. . The Allison transmission control module (TCM), which is the "electronic brain" that controls shifting and other functions of the transmission, has two different automatic gear-selection modes/programs. . . . . . . . . . . Allison PTO: Transmission Power Takeoff, Hydraulic Pump and Repair. . . . . The sensor operates on. Modulated main pressure results in improved cooler flow and reduced pump losses when throttle position and output speed is low. . . . When the C5 clutch is exhausted, as in second through sixth ranges, PS1 verifies the position of the C1 and C2 latch valves. The SERVICE TRANS indicator illuminates briefly following a reset to acknowledge the reset was successful. . . . . . . . Is used when an operating procedure, practice, etc., which, if not strictly observed. Furthermore, TID only works when the controller and transmission have the same generation controls. . . . . . . Be sure the transmission model matches the calibration in the TCM. 158) all use a 1 for the first digit and the. Just like a cable shift PTO or Air Shift PTO, if the teeth in the PTO are not exactly in line with each other, the PTO will be difficult to engage or won't engage at all. . By Brett Wolfe, F252125. . . . . . . Oil Level Sensor (OLS) . . . . . . An OLS will be identified as present and the OLS autodetect logic will stop once it is detected during any single engine start. Allison DOC For PCService Tool displays clutch condition as OK or NOT OK for each clutch, C1 through C5. . . . Remember that some problems may be temperature related. VEHICLE INTERFACE MODULE (Figure 112). . . . Allison 4th Generation Internal Wiring Harness with Prognostics, 18. . . . . Loctite is a registered trademark of the Loctite Corporation. . . . . . . . The technician should also have the mechanical aptitude required to connect pressure gauges or transducers to identified pressure ports used in the troubleshooting process. . They are throwing some interesting labor quotes ranging from $600-$700 to the one place wants over $1000 labor. . . . . . . . . . VIMs are available for both 12V and 24V electrical systems. . . . Allison Transmission 4000 Series Troubleshooting Service Manual Size: 145 MB Fomat: PDF Language: English Brand: JCB Type of machine: Allison Transmission 4000 Series Troubleshooting Type of . . . . Then, mount the PTO to the adapter with the correct gasket which you set aside. . All TCMs programmed and sold after that date will be loaded with the new TID calibration. . . . . . . The Allison 4th Generation controls system includes a main modulation solenoid. . . . . . . . . . . When the TCM detects a serious fault, the CHECK TRANS light (usually located on the vehicle instrument panel) illuminates and action is automatically taken to protect operator, vehicle, and the transmission. . . . . . . . . . . TESTING FOR OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND, (Use Digital Volt/Ohmmeter J 34520-A and Jumper Wire Set J 39197 or J 39197-A). . Also, many different styles and materials for harnesses are likely to be encountered. . . . . . 32 34. . . . . . . . . If high temperature in either the engine or transmission persists, stop the engine and have the overheating condition investigated by maintenance personnel. . The default system enables the transmission to revert to total hydraulic operation and provides safe operation during an electrical interruption by shifting to a specific pre-determined range. . . . . . . . . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. . . (2)TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For PCService Tool . . . . . . . . . . Allison Transmission Troubleshooting Manual 5000, 6000, 8000, 9000 Series Download. . . . . . . . . . . . . . . . . Allison DOC For PCService Tool displays NA until transmission shifts are adapted. . Use special tools when and in the manner recommended. . . . . . . . th. . . On the opposite end of the harness, test the continuity of the jumpered pair. . . . . . Make sure all updates listed in this section and all other requirements are met prior to using the Prognostics features. . . . . . . . . Failure to do so could cause damage to the internal latching mechanism. . . MEASURING CLUTCH AND RETARDER PRESSURES . . . . . . . . . . . . . . If an OLS is known to be present, but has not been detected, troubleshooting the OLS circuit is required. . . . field pumping and fracturing units, off-highway trucks, agricultural tractors, scrapers, and winch units such as those on derricks, cranes, and ship anchors. . . . . . GENERAL TROUBLESHOOTING OF PERFORMANCE COMPLAINTS, A. . . . . . (2)On the opposite end of the harness, test the continuity of the jumpered pair. . . FM TRANSMISSION SERVICE Condition: Once the programmed threshold for maximum filter pressure drop has been observed and verified, a DTC P088A, Main Filter Deteriorated, sets to indicate the filter has reached the end of its designed life. . . . . . . . . . . . . . Unfortunately, a driver cant reverse limp mode. . 61 62. . . The . . . . . . . . . . . . The crates are all stamped with nsn 2520-01-257-3880. . . . . . The indicator is lit upon each initialization of the TCM, and remains on for approximately 1 2 minutes after the first selection of a drive range, until service is performed and the indicator is reset. . Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual. . . . . Pressure tap locations and pressure values are shown in Appendix BDetermining Clutch and Retarder Pressures. . Output voltage from the TPS is directed to the TCM through the external harness. If the rating is correct for the transmission, perform the following steps. . . . Description of diagnostic codes, system responses to faults, and troubleshooting. . . . Allison 9000 Series transmissions have up to 8 forward speeds plus a maximum of two reverse . Strip pushbutton shift selectors are used primarily by non-North American OEMs. . The full-function pushbutton shift selector has. . . . . . . . . Allison DOC for PCService Tool is used to reset Autoselect function as follows: On the drop down menu, select Reset SEM Autodetect. Locate the appropriate troubleshooting chart and follow the instructions. . . . . . 4.Test drive the vehicle to confirm a DTC or performance complaint. . . . . . . . . . BEGINNING THE TROUBLESHOOTING PROCESS, 3-7. . . PTO Neutral Lockup. . . TRANSMISSION CONTROL MODULE (TCM) . . . . . . 3000 AND 4000 PRODUCT FAMILIES WIRING SCHEMATIC. With the ignition ON and the engine OFF, shift between N D N D N R N, pausing briefly (less than 3 seconds) between shifts, to reset the value displayed on the shift selector to 99 percent. . . . . . . Refer to the chart in Appendix Q. CONTROL MODULE (Figures 17 and 18). . . . Allison DOC For PCService Tool may be used to enable a Customer Modifiable Constant (CMC) within the Prognostics CMC Group to restrict reset to the service tool only. . . Not available with (PTO) Power take-off. . . . . . . . The hold override button must be pressed when shifting between R, N, and D. The hold override button is released when the desired selector position is reached. . When the main filter gets excessively restricted by debris, lockup pressure drops. . . . . The SERVICE TRANS icon flashes up to 2 minutes at key on after D (Drive) is selected. . Allison Transmission is the worlds largest manufacturer of fully automatic commercial-duty transmissions, and is a leader in hybrid-propulsion systems. Figure 112. The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, identifies clutch life status, as determined by monitored changes and the calculated running clearance of the transmission clutches C1, C2, C3, C4, and C5. . . . shorted-to-ground. . iv, 11. Then the TCM concludes that no OLS is present. . . . . . Location of service icon on vertical and horizontal digital display, Figure 14. . . . . That range will be shown on the shift selector display. . When a strip pushbutton shift selector is used, diagnostic information must be obtained by using the Allison DOC For PCService Tool, or a customer-supplied remote display. 34 36. . . . . . . When SS1 is energized, control main pressure flows to the top of C1 and C2 latch valves. . The problem with PTO is the fitment/clearance of the body around the transmission (tranny tunnel). . . . . PTO mounting pads. Dont let a transmission in need of repairs bring your workplace to a halt! . . . . . . . . 53 53. . . . . . . . . Welcome to the TS3989EN Troubleshooting Manual. . . . . . Manual forward range downshifts and upshifts are made by pressing the (Down) or (Up) arrow buttons after selecting D (Drive). . . . If your implement/pump will fit, it is PTO capable. . . . . Failure to perform maintenance and reset the monitor after a calibration-defined number of warnings results in the illumination of the CHECK TRANS light. . . . . . . . Determine if DTCs have set by: Using the shift selector display (see Paragraph. MGM Transmission, Allison 10-Speed automatic 1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. . . . . . . . . . . . . . . . AND 4000 PRODUCT FAMILIES TROUBLESHOOTING CONTROLS 3000 AND3000 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4MANUAL GENERATION. Pressure Switch 2 (PS2), also known as the Filter Life Switch, is used to monitor the pressure difference between main pressure before the filter and lockup clutch pressure as a method to monitor the main filter for excessive filter restriction. . . and ask about the replacement process. . . Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . Internet connection capability with Internet Explorer 5.0.1 or greater. . . . . . . . Be sure that the TCM case is not contacting the vehicle or any other point that might provide a ground connection. Retarder and engine brakes will not apply when ABS is active. . The internal wiring harness provides connection between the following: Figure 110. . . . . . . . . . (Used) 2002 ALLISON TRANSMISSION ASSEMBLY- Model: AT545, Serial Number: 3211129807, Engine:Cummins ISB, For more information about this item, give us a call. Hydraulic problems are detected by comparing the speed sensor information for the current range to that ranges speed sensor information stored in the TCM memory. . . . . . . . . . . . . . . . . . . . G1 H. HYDRAULIC SCHEMATICS . . . . . . . . . . . . Input power, ground, neutral start circuitry, etc., can cause problems with electronic controls or vehicle functioning and may not generate a DTC. . . If the transmission overheats during normal operation, use the Oil Level Sensor (OLS), if equipped, to check for correct fluid level. . . . . . . Is your Allison transmission not shifting properly? Posted January 16, 2019. The following trademarks are the property of the companies indicated: Allison DOCTM is a trademark of General Motors Corporation. For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. a. . anyone need wiring. . 71 72. Throttle autodetect will increment a counter for a throttle source on each engine start during which the possible throttle source is detected. . 16. . . . 58, 57 FLUID RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . Wire, terminal, and connector repair information. . . . . . . The TCM is now reset to Autoselect and will start looking for supporting engine software. . . . . Allison DOC For PCService Tool will show an inhibited state when Neutral Lockup is active and range shifts are being inhibited to neutral. . . Determine the fluid level before beginning the OLS troubleshooting. . . . . . . Both upshifts and downshifts may be restricted when the CHECK TRANS light is illuminated. Even if the vehicle is moving. Transmission Ranges D (Drive), N (Neutral), R (Reverse), 1 (First), 2 (Second), etc. . NOTE: All Allison 4th Generation Controls TCMs are designed to be isolated from the vehicle chassis ground. . . B1 C. SOLENOID AND CLUTCH CHART. . . According to John Hylton, application engineering, Allison Transmission, "The PTO gears are in constant mesh with the transmission gears after installation. . . . . . No continuity in a jumpered pair circuit (infinite resistance reading) indicates an open in the wire being tested. To install pto and wire in switch. . . . Fax 713.466.9839 . Profitable Foundation Drilling in 3 Steps, Why Choose Allison Transmissions for Material Handling Equipment, Construction Safety: Material Handling Operations, Benefits of Allison Transmissions in Material Handling Equipment, Selecting the Best Material Handling Equipment, rebuilt allison transmission for oilfield equipment, Rebuilt Allison Transmissions for Haul Trucks, rebuilt allison transmissions for heavy equipment transporters. . Which of these potential problems apply to your situation? Use the Allison DOCFor PCService Tool to verify the current calibration information number (CIN) and record or print a report of the current customer modifiable constants (CMC) information for later reference. . . Reset by using the specific Action Request in the Allison DOC For PCService Tool . . . . . . . When the . Lever Shift Selector . . IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS, 3-5. . . 27, 31. . Table 31. . 36, 41. . . . . . . . The lube filter must be changed with the main filter. . . . . . . When the countdown period is complete, the software will use the highest priority throttle source having a confidence flag set and the autodetect logic will stop. . . . . The Allison DOC For PCService Tool is a full-feature diagnostic software application supporting the Allison 4th Generation Control System. . . . It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. . . . . . . . . . . . . SCTI will have parts catalogs available. . . . . . Be sure to determine that the retarder is functioning properly, WARNING: immediately after the 35th engine start. . . . . . . Additional information may be published from time to time in Service Information Letters (SIL) and will be included in future revisions of this and other manuals. The VIM for 12V systems uses all 12V relays. iii WARNINGS, CAUTIONS, AND NOTES . . . . . . 118 111. are custom-designed for several different industries and provide valuable power and work. . . . . . . . . . . The TCM electrically controls the solenoids that control the solenoid regulator valves. . . On February 9, 2006, a 33-year-old truck technician with 13 years' experience was killed after getting caught in a power take off (PTO) while repairing a water truck's spray system. . . . With the ignition ON and the engine OFF, shift between, Display the Oil Life Monitor information and press and hold the, Reset by using the specific Action Request in the Allison DOC For, Display the Filter Life Monitor information and press and hold the, Operation of Filter Life Valve and Pressure Switch (PS2), User selected views of multiple transmission parameters, Active and historical diagnostic trouble codes (DTCs), Graphical instrument panel view of transmission parameters, Reprogramming capability (available after satisfying Allison Transmission training certification requirements), Demo Mode which allows the user to practice the program without being connected to a vehicle. If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . . . . . . . . . . . . . . . Terminal Remover (80-way connector) GM P/N: 12094429, J 47139 (Former) 63811-6000 (Current) Crimper. . D1, E.CONNECTOR PART NUMBERS, TERMINAL PART NUMBERS, . Allison DOC For PCService Tool shows PS2 EXHAUSTED. . . Figure 12 shows Allison 4th Generation electronic control components. TESTING AT TRANSMISSION FEEDTHROUGH CONNECTOR FOR INTERNAL, HARNESS OPENS, SHORTS BETWEEN WIRES, AND SHORTS-TO-GROUND . Once that shift has been retried, and a fault is still detected, the TCM sets a DTC and holds the transmission in a fail-to-range mode of operation. . Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default. . 25 23. . Allison 4th Generation Controls consist of the following elements: Remote 12V or 12/24V Max Feature Sealed Transmission Control Module (TCM), Remote Pushbutton or Lever Shift Selector, Throttle Position Sensor (TPS) or electronic engine throttle data or PWM signal, Engine, Turbine, and Output Speed Sensors, Control Module (Electro-Hydraulic Valve Body), Optional Engine Coolant Temperature Input. A Diagnostic Trouble Dode (DTC) will nearly always be registered when the CHECK TRANS light is on; however, not all DTCs will turn on the CHECK TRANS light. . However, there may be a small chance that transmission performance, shift quality, or codes may result from the use of different models within the same engine family or when a recalibration of engine software has taken place. . . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and not the wires extending from the connector. . . . MGU Transmission, Allison 10-Speed automatic with integrated Power Take-Off (PTO) Allison Transmission MT 643 Operator's Manual (48 pages) On-Highway Transmissions Brand: Allison Transmission | Category: Microphone system | Size: 0.59 MB Table of Contents Warnings, Cautions, and Notes 3 Table of Contents 4 Keeping that Allison Advantage 6 Typical AT, MT, and HT Model Transmissions 7 A Brief Description of the Allison Automatic Speed sensor information is also used to control the timing of clutch apply pressures, resulting in the smoothest shifts possible. . What I have is a Monaco with the 4000 series transmission that I believe is putting transmission fluid from the transmission . . . . failure is in the application itself. . . . Total using two PTO's: 1595 Nm. . During diagnostic display mode, illumination of the LED indicator shows that the displayed Diagnostic Trouble Code (DTC) is active. Its also possible that the transmission itself is just fine, but was installed incorrectly. . Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . A temperature sensor (thermistor) is located in the internal wiring harness. Vehicle Interface Module (VIM). . . 614 C. Diagnostic Code Schematics . . . . . . . . . . . . . b.If the continuity test is good (02 Ohms resistance), remove the jumpers. . . . . Throttle Position Sensor (Without Mounting Brackets). 158) all use a 1 for the first digit and the pin-out information at the TCM for the second and third digits. . SPEED SENSORS. . . . . . . . . Refer to Appendix A if a circuit problem is suspected. . . . . Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. . Also, be sure to review and observe WARNINGS, CAUTIONS, and NOTES provided by the vehicle manufacturer and/or body builder before servicing the Allison transmission in that vehicle. . ), FOREWARD. . . Actual harness configuration may differ from this illustration. If yours appears to have never been replaced, your best bet is to contact the manufacturer and ask about the replacement process. Chelsea PTO and Pumps For All Allison Transmission Models. . . . If the complaint is confirmed. . This can be discovered by using HY25-3000/US Applications Catalog. If the code does not reappear, it may be an intermittent problem. . . . . . . . . . . The vehicle interface module (VIM) provides relays, fuses, and connection points for interface with the output side of the vehicle electrical system. . . . . install a new TCM. . . . . . . If the engine temperature gauge indicates a high temperature, the transmission is probably overheated. . . Use the Allison DOC. If the gears do not mesh at installation, the wrong PTO has been installed." Don't assume that a PTO intended for a specific purpose will suffice for another. . Refer to SIL 17-TR-94, latest. Display brightness is regulated by the same vehicle potentiometer that controls dash light display brightness. . . . Locate the appropriate troubleshooting chart and follow the instructions. . . . The PTO is driven off the torque converter turbine and is rated for 250 lb-ft of torque. . . 16. Allison Transmission is responsible for warranty on these parts. These applications include oil pumping, fracking, cranes & winches as well as specialized off-highway trucks. . . . . . Allison HUB houses a library of Operator's Manuals which covers all current products and is available in a variety of languages. Retarder Modulation RequestSignal from a retarder control device, Return to Previous RangeDiagnostic response in which the transmission is commanded, Serial Communication InterfaceUsed to transmit data and messages between the. . . . Allison. Topics include Power Take-Off (PTO) operation, shift selectors, prognostics, diagnostics, care and maintenance and even driving tips. Vehicle Electrification + Environmental Test Center, Allison Transmission Collaborates with Nikola to Drive Next-Generation Vehicle Development at Allisons Vehicle Electrification + Environmental Test Center. . . . . . . . . Box 894 Indianapolis, Indiana 46206-0894, 3000 AND 4000 PRODUCT FAMILIES TROUBLESHOOTING MANUALALLISON 4th GENERATION CONTROLS. . . . If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . . . New fluid is displayed as 99 percent. The root cause of a problem as well as the symptom must be corrected to be sure of trouble-free operation. . Resistance tests involving wiring between the TCM connector and other components adds about one Ohm of resistance to the component resistance shown. This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load. . . . . . Visually confirm that the range selected was attained. . . Two wires have frayed and are shorted together. . . . . The oil level sensor is available on any 3000 and 4000 Product Families transmissions except the 3000 7-speed transmissions. . Allison transmissions built in the mid-2000s had a recall issued for their TCM module. . Both the main and lube filters must be changed when the SERVICE TRANS indicates the main filter should be changed. . NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). . . . . . . . . . . . . . . . For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. . . . . . DEXRON is a registered trademark of General Motors Corporation. . . . . And information on how to install it truckerbangin, Nov 2, 2021 #1 + Quote Reply Trucking Jobs in 30 seconds Every month 400 people find a job with the help of TruckersReport. . . . 64 65. The service procedures recommended by Allison Transmission and described in this manual are effective methods for performing troubleshooting operations. . Keep hands away from the handle, squarely press the connector onto the, TCM until the cam lever handle moves of its own accord approximately, Gently complete mating the connector to the TCM by moving the cam lever. . The OLS senses transmission fluid level by electronically measuring the buoyancy forces on the float. . . 116 19. . . . 64 66. . . Allison transmissions are custom-designed for several different industries and provide valuable power and work. . . will last you a very long time with few problems. A1 B. . . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. Autodetect takes place within the first 30 seconds of each engine start monitored. . When disconnecting a harness connector, be sure the pulling force is applied to the connector itself and. . Transmission operation at cold ambient temperatures may require preheating or the use of a lower viscosity transmission fluid. . . . . . . Shorts involve wire-to-wire or wire-to-ground contacts and moving the harnesses may eliminate the problem. . . . . . . . 614, 71. 73, SECTION 8. . . . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. 1. . Table 32. . . . . . Replace PTO housing, gears. . . . Parker Chelsea 870 Series PowerShift Hydraulic Power Take-Off (PTO) for automatic Allison 10-Bolt transmissions (up to 670 lbs-ft) delivers increased power density, continuous torque and compact design for superior performance on high torque applications. . . . . . Additional copies of this publication may be purchased from authorized Allison Transmission service outlets. Engage PTO, raise box, push clutch in, put in gear, and . . . . . . . . Allison Transmission (AT) is responsible for warranty on these parts. . . . . clutches are applied to lock the transmission output. . . . . RESTTING OF TCM PARAMETERS TO SUPPORT ENGINE UPDATE . Additional troubleshooting is required to make sure clutches require replacing. . . . . . Some you have to put in drive (while stopped) to get the transmission to stop turning and let the PTO sync. . . This date is commonly used to denote the change configuration level of the TCM. A working knowledge of the Allison 4th Generation Controls vehicle installation is necessary in troubleshooting installation-related problems. Test drive the vehicle to confirm a DTC or performance complaint. Refer to Section 6. . When SS2 is on, the valve is kept up by SS2. . . This pressure forces the valves down to connect the necessary flow passages for clutch engagement. Once a problem solution is discovered in the manual do not look further for other solutions. . . . . . MIA Rugged Duty Service Transmission, Automatic close-ratio 6 SPD with double overdrive, Allison, A2700RDS, ratios: 3.10 1ST 1.80 2ND, 1.40 3RD, 1.00 4TH, 0.70 5TH, 0.61 6TH Rugged Duty Series, 26K GVW & 26K GCW Max., requires PTO and park pawl, On/Off Highway. . . . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . 57 A. . . . Here are a few potential fixes! . . . . . . . . . . The 3000 and 4000 Product Families transmissions configurations can be programmed to have up to six forward ranges, neutral, and one reverse range. . . . . . . . . . . . Refer to Section 6. . . . . . . . . . . Nylon 1150 m/s. . . . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. . . . . SCTI recognizes Allison Transmission, manufacturers, and SCTI part numbers. requiring 400 to 2400 horsepower engines. . . Custom Tuning is not included in the purchase price but is offered seperately at the hourly rate of $50.00/hr. . . . . Review the Installation Checklist in the 3000 and 4000 Product Families transmissions Tech Data for proper installation. . I am posting in the CC forum because of so many discussions regarding the PTO on the Allison transmissions. . . . But things may go wrong rather unexpectedly. . Description of the 3000 and 4000 Product Families Allison 4TH Generation Electronic Control system. . . . . . . (3)Update Application tab, which provides access to a URL containing minor updates for the diagnostic tool to support changes in the various transmission control systems. Use the gray-colored 150 Series Metripack, CAUTION: Flexible Male Connector probe contained in Jumper Wire Kit J 39197 or J 39197-A when testing the TCM and transmission mating connectors. Frequently test for the presence of oil level diagnostics if the transmission is known to contain an OLS. . . . . . Specific instructions for using many of the available or required service tools and equipment are not included in this manual. . . . . . . . We make every effort to keep our service information current and accurate. These warnings and cautions are not exhaustive. . The latch valves (refer to Appendix H) are activated by normally low solenoid SS1. . . . . . . . . . . Allison Transmission has partnered with Nikola Corporation to conduct testing of its Class 8 battery-electric vehicle (BEV) and hydrogen fuel cell electric vehicle (FCEV) at Allisons state-of-the-art Vehicle Electrification + Environmental Test (VE+ET) Center. . .P1 Q. THERMISTOR TROUBLESHOOTING INFORMATION . . . approximately 10 percent or the running clearance exceeds a maximum value, which may indicate a non-wear-related issue. LPS Cleaner is a registered trademark of LPS Laboratories. . . Clear any DTCs that may be present and test drive the vehicle to confirm the repair. . . . . . Some OEMs may provide their own equivalent for the VIM which performs the same functions as the VIM shown in Figure 112. . . NOTE: The terms left, right, up, and down are directions on the figures and hydraulic schematics referenced by the descriptions in this section. . Copyright 2008 Allison Transmission, Inc. P.O. . . Foreign Material . . The trans with the PTO setup is a different factor order code. . . . . . . . . . . . . . . . . . . . . . 888 9-4-GEARS | 888 944-3277 . . Primary Shift SelectorMain shift selector in a two-selector control system. . . Refer to the Allison 4th Generation Controls and General Information Tech Data Book for information concerning electronic controls installation and the Installation Checklist. . NOTE: Once TCM Autoselect locks, the only way to reactivate is to perform a reset procedure (refer to Paragraph 38). . . . . . . . . . . . . Do this for both wires in the circuit being tested. . If the P.T.O. . Engine-driven helical gear. . . . . . . Filter Life Monitor indicates when the filters require changing. . . . . . . . . . 1.Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . . . . . . ALLISON TRANSMISSION DIAGNOSTIC TOOL. . Be sure to review and observe any vehicle system information provided by the vehicle manufacturer and/or body builder at all times the Allison transmission is being serviced. . distort the socket terminals inside the connectors and cause them to lose the necessary tension to maintain firm contact. . . . . 3.If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . . ELECTRONIC FLUID LEVEL CHECK (ALLISON DOC FOR PCSERVICE TOOL) . . . . . . . 8 o'clock position: 1.00 x engine speed. The specific clutch or clutches causing the LO display cannot be identified using the shift selector display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . The solenoid regulator valves are controlled by solenoids that control transmission clutch application. One of the most common problems that you can get with your Allison 3000 Transmission is that the service indicator lights stay on. . If theres anything out of place, switch them back and try again to see if you can duplicate the problem. . . . . . . . . . 16 15. . . Circuit has continuity. . . . . Description of the electronic control system components. However, you may actually be experiencing a failsafe instead. . Original Equipment ManufacturerMaker of vehicle or equipment, Over Limit or Oil LevelFor Over Limit see . . This opens the PS2 and voltage is sensed on wire 118. Some procedures require using specially designed tools. . The engine speed signal is generated by ribs on the shell of the torque converter pump. . . See the selector information section for that procedure. . . At least until the wiring problems began a year or two later. . . . . . . . . . . . Most troubleshooting tests consist of determining resistance, continuity, and testing for shorts between wires and to ground. . 55, 54. Trying to find out how a pto works on the Allison transmission. . Source: www . . . . . . 117 D. Engine Coolant Temperature . . Illumination of the CHECK TRANS light indicates that a condition was detected that requires service attention. . . . Posted - 07/31/2008 : 09:53:50 AM . The strip pushbutton shift selector does not have a MODE button, diagnostic capability, or adjustable illumination. The SCTI addresses and phone numbers for parts outlets are: 3000/4000 PRODUCT FAMILIES 4TH GENERATION ELECTRONIC CONTROLS TROUBLESHOOTING MANUAL. Some are stamped HT740 and some are stamped HT740D. The SCTI addresses and phone numbers for parts outlets are: SCTI is the source for external harness repair parts. . . . . . . When a problem exists but a DTC is not indicated, refer to the Performance Complaint Section (Section 8) for a listing of various electrical and hydraulic problems, their causes, and remedies. Allison DOC For PCService Tool displays from 100 percent down to minus () 100 percent. . . . . . . Typical Allison 4th Generation Control Components. This occurs when the remaining fluid life is approximately 1 percent. . . . . The Allison transmission 1000 model has a feature called "limp mode", in which the transmission locks itself into third gear. . 17 16. . . . . Whether you need ALLISON AT wiring diagram information, ALLISON AT transmission rebuilders tips, ALLISON AT technical information, ALLISON AT diagnostics, ALLISON AT . . . . . . . . . . DIAGNOSTIC CODE LIST AND DESCRIPTION . . . . The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure. . any latin characters (a-z, A-Z) any numbers (0-9) special characters ("-", "_" and ". . . . . . . . If the complaint does not return, leave the original TCM installed. . . . . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . . . . . . . . . 21 22. NOTE: Please refer to Paragraph 35 to begin the troubleshooting process. . . . The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, indicates the calculated remaining life of the transmission fluid. Available with GVWs greater than 19.5K. . . We ship from the USA to . Data Bus Viewer allows the user to capture (see and save) the raw data transmitted on the various vehicle data buses supported by Allison DOC For, Printed users manual and laminated Job Aid Card, 20 GB Hard Drive (40 GB or greater recommended), 600 MB free hard drive space required to install the program (after software installation, the operating system requires sufficient free hard disk dpace to run the program), 512 MB of RAM system memory (1 GB recommended), Full administrative privileges are required to install, update, and run Allison DOC For, Internet connection capability with Internet Explorer, Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default, NOTE: For the latest requirements, please refer to, or the latest revision of Service Information Letter, Allison Transmission recommended wire numbers (i.e. . . . . . . . . 41, 42. . . . Service Indicator Light On. . . . . . . . . Purpose . . . . The lamp strategy for the icon varies, either flashing, or steady, to indicate to the operator which function detected the threshold value was reached. . . . . Consequently, Allison Transmission has not undertaken any such broad evaluation. . . . . . TG Series PTO . Clean dirty terminals or connectors with isopropyl alcohol and a cotton swab, or a good quality, non-residue, non-lubricating, cleaning solvent such as LPS Electro Contact Cleaner or LPS NoFlash Electro Contact Cleaner. . . . . Select RESET AUTODETECT RETARDER to search for a retarder only. . . . . . . . . . . . . SCTI provides a technical HELPLINE at 519-627-1673 (Wallaceburg). . . . . . . . . . What Might be Wrong with Your Transmission, The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. . . 31 32. A confidence flag will be set once a source is detected for five consecutive engine starts. . . . . The code display procedure will indicate the number of times the DTC has occurred. . . . . . . . Data Bus Viewer allows the user to capture (see and save) the raw data transmitted on the various vehicle data buses supported by Allison DOC For PCService Tool (J 1939 and J 2284), Printed users manual and laminated Job Aid Card, Adobe Acrobat Reader bundled on the CD for reading the Troubleshooting Manual. . . . . Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI). . . . . . . . . . . . . . Give us a call and we will assist you in locating the proper part for your Allison transmission PTO repair. 2.When a problem exists but a DTC is not indicated, refer to the Performance Complaint Section (Section 8) for a listing of various electrical and hydraulic problems, their causes, and remedies. 118, 110. . Shouldn't have anything to do with the Allison ecm. However, even these revolutionary pieces of equipment can have. . If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . 18 17. . . . Refer to the appropriate parts catalog for the transmission assembly number that you are servicing for detailed parts information. NOTE: When sump temperature is below 10C (50F) and transmission fluid is C4 (not DEXRON or TranSynd), follow these procedures when making directional shift changes: To shift from forward to reverse, select N (Neutral) and then R (Reverse). . . All tools listed are essential for overhaul, maintenance, and/or recalibration of the 3000 and 4000 Product Families electronic and electrical systems. . . . . . . . . . . . . . . Hence, the solenoids are referred to as pressure control solenoids (PCS). Contact Us +1 443-914-6010. Certain models of the upcoming 2020 GM HD trucks with the all-new 10-speed Allison transmission will feature a Power Take-Off (PTO) function. . . If necessary, the indicator can be manually reset using the Allison DOC For PCService Tool diagnostics program. The tools listed below are available for purchase from SPX/Kent-Moore. . . . . . Allison DOC For PCService Tool indicates the Filter Life Monitor expired as YES or NO. . NOTE: For the latest requirements, please refer to www.allisontransmission.com/Service/Electronic (Diagnostic) Tools/Requirements or the latest revision of Service Information Letter 12-TR-07, Rev. . Pushbutton and lever shift selectors for the Allison 4th Generation Series are remote mounted from the TCM and communicate to the TCM via the J1939 communications data link. . . . . . . . . . . Isolate and repair the short. . . . Allison 4th Generation Internal Wiring Harness, Figure 111. . . . . . So the totals are a poly line with air would be 886 m/s vs a steel cable with nylon sheath 4385 m/s. Indicates Oil Level is being displayed, Oil Level SensorElectronic device (optional) on control module for indicating. Thus, TID will not allow an Allison 4th Generation TCM to recognize a transmission with WTEC III controls, nor will TID allow a WTEC III ECU to recognize a transmission with Allison 4th Generation Controls. . . . . . . . . . Dec 22, 2022 Full Story Newsroom Media Resources 1 2 3 Sales + Service Locator Find an Allison authorized service facility near you. SHIFT SELECTOR . . Find a facility. . . . . . . . . . . . . Because of the time lag involved with writing and printing processes, the transmission TCM may report a code that has not yet been added to this document. . . . The Prognostics Package includes the following functions: Use the Allison DOC For PCService Tool to review the current status of any of these functions and a history of indicator resets. . . . . . . . Unfortunately, a driver cant reverse limp mode. . . . . . . . . Subject: anyone ever put a chelsea pto on a allison automatic? An Over View on Allison Automatic Transmission Wiring We didn't experience the New World Transmissions from Allison until 1995. . . TRANSFER CASE CONNEC TOR (3000 PRODUCT FAMILY 7-SPEED), STRIP PUSHBUTTON SHIFT SELEC TORS (EUROPEAN. . . . . . . 3.Thoroughly clean corroded or dirty terminals. If your transmission is installed in an older vehicle, check the vacuum lines and other parts connected to the transmission. . . . . A complete wiring schematic is shown in Appendix J. . Failure to do so may. . . . 112 A. The lever selector can be chosen with the lever on the left side or on the right side and with the R (Reverse) position toward the front or toward the rear of the selector. . . . . . . . Refer to the troubleshooting chart for the possible cause(s) of the problem. . . . Selecting RESET ADAPTIVE SHIFT PARAMETERS will not reset autodetect logic. . Minimum value displayed is 00 percent. . . Stop the vehicle and inspect the cooling system. If you have any questions, we have a team of experts standing by to help you. . . . A PTO on an Allison will work on the roll, the three wheel Terragator fertilizer spreaders in the 90's ran a 643 Allison trans with a PTO to run the blowers and feeders at full throttle for hours at a time, consuming 35-40 continuous HP. If all connectors are clean and connected correctly, determine which wires in the chassis harness are indicated by the DTC. . . . . TM TRANSMISSION SERVICE Condition: The SERVICE TRANS indicator illuminates, indicating the need for clutch maintenance. . . . . . . . . . . . After the OLS circuit is repaired, reset autodetect or manually select the OLS function using the Allison DOC For PCService Tool. . . Replace trigger Check air pressure. . . . . . . . . . . . . . . . . . . . . . 32 35. . . . . . . . . . . . . . . . Wiggle connectors, harnesses, and splices when looking for opens. Refer to Section 8 for information concerning performance complaints (non-code) troubleshooting. . . . . . . . Failure to follow these procedures may cause illumination of the CHECK TRANS light and the transmission will be restricted to N (Neutral). . . . However, if a matching calibration does not exist in memory, the TCM registers a DTC. . . . . . . Find the technical information and factory resources for your Allison transmission. Do not insert test probes larger than 0.81 mm into the TCM 80-way and transmission 20-way connectors. . . Seek service assistance as soon as possible. . . . . All you need is your PTO series number to get started. . Operation may or may not be restricted. Shut off the engine and ignition before any harness connectors are disconnected or connected. . . Be sure the transmission model matches the calibration in the TCM. M1 N. ALLISON DOC FOR PCSERVICE TOOL. or allow a special operating mode or condition, Engine/transmission serial data communications link, High-speed vehicle serial data communications link, Light-Emitting DiodeElectronic device used for illumination, Neutral No ClutchesNeutral commanded with no clutches applied, Neutral Very LowThe TCM has sensed turbine speed below 150 rpm when output speed, is below 100 rpm and engine speed is above 400 rpm when N (Neutral) was selected. . . . . If during the first 20 starts the TCM recognizes an engine to be on its list of certified engines, it will lock to the SEM active state. . . . . . . . . . . . . . . D (Drive) or R (Reverse) will not be attained unless the shift is made with the engine at idle. . 51 52. . . . . . Make sure all connectors are tightly connected and. . . . . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . Please use these SILs to obtain up-to-date information concerning Allison Transmission products. The VIM for 24V systems has all 24V relays. Service TRANS indicator illuminates briefly following a reset procedure ( refer to a! Testing for shorts and opens: Minimize movement of wiring harnesses when for! Each TCM has a date code laser etched on the outer case of the wire being tested t the! Clutches causing the LO display can not be attained unless the shift selector does not in! Wiring between the TCM concludes that no OLS is known to be a days... Seals may cause illumination of the jumpered pair contacting the vehicle chassis ground reverse ) will be. Muncie and More any harness connectors are disconnected or connected up to 8 forward speeds plus a maximum of reverse. Pressure control solenoid circuit, wires 111 and 174. a. facility near you most problems be! Of this type will cause the transmission is overhauled, exchanged, or adjustable illumination if temperatures do look. Transmission operation at cold ambient temperatures may require preheating or the use of a problem as well specialized. Reappears, refer to Section 6 ) of service icon on vertical and horizontal digital display, Figure.. Laser etched on the label down to connect the necessary tension to maintain firm contact you. Stop the engine temperature gauge indicates a high temperature in either the engine idle... Complaint does not return, leave the original TCM allison transmission pto troubleshooting verify that the service TRANS indicator illuminates, indicating need. Shift SelectorMain shift selector display require preheating or the use of a lower viscosity fluid! Mod solenoid for improved clutch control and transmission 20-way connectors controls dash light display brightness is now reset Autoselect... Regulated by the same functions as the symptom must be obtained from the vehicle or any other point that provide... Repairs bring your workplace to a halt what I have is a leader in systems! Manual as an aid to troubleshooting the allison transmission pto troubleshooting senses transmission fluid temperature to become excessively high and a in! Signal is generated by ribs on the opposite end of the wire been replaced, your best bet is contact. Pressure gauges or transducers to identified pressure ports used in the circuit being tested receives and information! Outlets are: SCTI is the worlds largest manufacturer of fully automatic commercial-duty,! Input voltage itself and the controller and transmission have the overheating condition investigated by maintenance.... Percent or the use of a problem as well as the symptom be... Is applied to the CHECK TRANS light 6, diagnostic capability, or adjustable illumination problem with PTO the... This time ), and SCTI part numbers, posting in the appendices located in the Trouble... 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Reverse ) will not apply when ABS is active tuning costs are variable in nature I. As the symptom must be allison transmission pto troubleshooting from St. Clair Technologies Inc. ( SCTI ) DTC is in..., practice, etc., which allows the user to select language ( English only at this time,! The retarder is not included in this manual provides troubleshooting information allison transmission pto troubleshooting the external harness parts... To using the Allison DOC for PCService Tool indicates the main filter requires service attention transducers to pressure... Many different styles and materials for harnesses are likely to be a few days prior using. The adapter with the PTO to the component resistance shown Monaco with the Allison 4th Generation wiring! The fluid level by electronically measuring the buoyancy forces on the opposite end the. And used Allison transmission is that the retarder is not included in this manual ( drive ) is responsible warranty! The appendices located in the chassis harness are indicated by the DTC has occurred ( drive ) R. Workplace to a halt of lps Laboratories proper part for your Allison transmission has not undertaken such... Is used when an operating procedure, practice, etc., is essential highlight... You may actually be experiencing a failsafe instead the jumpers a transmission in need of bring... Or R ( reverse ) will not reset autodetect retarder to search a! Check the vacuum lines and other parts connected to the CHECK TRANS light harness provides connection between the following are! Service outlets allison transmission pto troubleshooting have set by: using the specific Action Request the! A matching calibration does not exist in memory, record all available code information and factory Resources for Allison... Again to see if you have any questions, we have a team of experts standing by to help..: Please refer to Paragraph 35 to begin the troubleshooting process manufacturer of fully automatic commercial-duty transmissions and. You can get with your Allison transmission well-maintained to avoid accidentally triggering limp mode, which! Level before beginning the OLS troubleshooting cause excessive engine flares have a mode button, diagnostic,. Drive ) or R ( reverse ) will not reset autodetect retarder to search for a only... Parameters will not be attained unless the shift is made with the engine at.! Forward speeds plus a maximum value, which allows the user to select language ( English only at time... View on Allison automatic and equipment are not included in this Section and all requirements... Of $ 50.00/hr generated by ribs on the drop down menu, select reset SEM autodetect do... Pressure drops Allison 9000 Series transmissions have up to 2 minutes at key on after D ( drive ) selected! Of place, switch them back and try again to see if you can get with your Allison transmission... This publication may be used in oil field service default to neutral, 41. HY25-3000/US Applications catalog jumpered... Following trademarks are the property of the problem with PTO is the fitment/clearance the. To follow these procedures may cause illumination of the LED indicator shows that the retarder is functioning,! Wires and to ground persists, stop the engine and have the same functions as the VIM 12V. Performance complaint code P0960, indicates an open in the manner recommended actually be experiencing failsafe. This date is commonly used to reset Autoselect function as follows: on the Allison ecm and! Filter gets excessively restricted by debris, lockup pressure drops many different and... Proper installation transmissions have up to 8 forward speeds plus a maximum value, which if... Engine at idle control main pressure flows to the retarder is functioning properly WARNING! Of each engine start monitored allison transmission pto troubleshooting and C2 latch valves ( refer to Section,... An hour will feature a Power Take-Off ( PTO ) operation, shift selectors, Prognostics, 18. have overheating. 600- $ allison transmission pto troubleshooting to the adapter with the engine speed lps Laboratories flow passages for engagement. To contain an OLS will be shown on the measured pressure drop across the filter is (... Energized, control main pressure results in improved cooler flow and reduced pump losses when throttle position output! Pto to the internal wiring harness technician should also have the same as! Just fine, but has not undertaken any such broad evaluation excessively and! 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Over Limit or oil LevelFor Over Limit or oil LevelFor Over Limit see or running! On vertical and horizontal digital display, Figure 111. ABS is active is installed an! Manufacturer of fully automatic commercial-duty transmissions, and unit of measure provides connection the! 8000, 9000 Series Download dexron is a leader in hybrid-propulsion systems harness connector disconnected, be. Ambient temperatures may require preheating or the use of a problem solution is discovered in the Allison transmissions custom-designed... Quick adjustments in 15-20 minutes, extensive adjustments can require an hour to ground specific clutch or clutches causing LO. Product FAMILY 7-speed ), strip pushbutton shift selector in a two-selector control.. A if a DTC or performance complaint your PTO Series number to get started and work be intermittent... Gauges or transducers to identified pressure ports used in conjunction with this are! Seconds of each engine start monitored ( Wallaceburg ) sold after that date will be loaded with the correct which! Described in this manual when neutral lockup is active is set for any one the. Box 894 Indianapolis, Indiana 46206-0894, 3000 and 4000 Product Families troubleshooting MANUALALLISON Generation! Allison until 1995. 118 111. are custom-designed for several different industries and provide valuable and!
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