allison transmission pto troubleshooting

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). 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. . . . . . Some OEMs may provide their own equivalent for the VIM which performs the same functions as the VIM shown in Figure 112. . The lube filter must be changed with the main filter. . . How do you run a dump with a stick trans? . . . . 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. . . Main mod may be commanded ON in neutral at any throttle position. . . . . . Actual harness configuration may differ from this illustration. . . . . . If display is flashing, shift is inhibited. . . Figure 17. . . 2023 Copeland Allison Transmissions . . . . . . . . . . . . . . . . . . . . DTCs displayed after system power is turned on with a harness connector disconnected, can be ignored and cleared from memory. . . Remember to do the following when testing for shorts and opens: Minimize movement of wiring harnesses when looking for shorts. . Use the P/N from your appropriate parts catalog or from Appendix E in this manual. . . 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. . . . . (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. . . . . . . Circuit does not have continuity due to a broken wire (open circuit). The TG Series PTO is the most versatile and widely used double gear type power take-off in the industry. . . 62 63. . . . . . . No OLS diagnostics take place until the OLS is detected. . . . . . . . . Be sure the transmission model matches the calibration in the TCM. The TCM senses the transmission configuration using TID wire 176. . . . . . . . . . . . . . NOTE: Required calendar-based filter change intervals are not monitored by this feature and remain applicable to all vehicle installations in addition to the above. . Engage PTO, raise box, push clutch in, put in gear, and . . . . . . . . Reset is accomplished by using Allison DOC For PCService Tool. . . 614 C. Diagnostic Code Schematics . . . . . . . . . 20-WAY TRANSMISSION FEEDTHROUGH HARNESS CONNECTOR, Figure 12. . . . Be sure the transmission model matches the calibration in the TCM. Retarder and engine brakes will not apply when ABS is active. According to John Hylton, application engineering, Allison Transmission, "The PTO gears are in constant mesh with the transmission gears after installation. . . . . When the TCM detects a non-electrical problem while trying to make a shift, the TCM may try that shift a second or third time before setting a DTC. . . N1 P. INPUT/OUTPUT FUNCTIONS . ALLISON TRANSMISSION DIAGNOSTIC TOOL, 3-4. Retarder autodetect will countdown for a maximum of 35 ignition cycles while recording detections of a retarder. . . . . . . . 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. This publication is revised periodically to include improvements, new models, special tools, and procedures. . 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). . . . . . . . . . . . . approximately 10 percent or the running clearance exceeds a maximum value, which may indicate a non-wear-related issue. This date is commonly used to denote the change configuration level of the TCM. . . . . . . Hence, the solenoids are referred to as pressure control solenoids (PCS). . When SS1 is energized, control main pressure flows to the top of C1 and C2 latch valves. . . . . . . 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. . . . ), FOREWARD. . Refer to the Table 31 for temperature restrictions. . The Prognostics pressure switch is activated when fluid exiting the main filter drops below a predetermined pressure. . . . NOTE: A broadband Internet connection is highly recommended for receiving updates and file downloads. . . Mild Steel 3235 m/s. . Test the harness for shorts between wires and shorts-to-ground by performing the following (Figure 42): (1)At the TCM end of the harness, touch one probe of a digital volt/ohmmeter (DVOM) to one wire of the circuit being tested and touch the other probe to each terminal in the same connector, then touch the probe to chassis ground and to the transmission main housing. . . Houston, Tx 77040, Phone 713.466.9838 TRANSID (TID) . . . . . INPUT FUNCTIONS . . . . . . . . . . . . . . . Working underneath the truck while it was still running, a protruding set screw on the PTO drive shaft caught the collar of his coveralls and quickly entangled him. Vehicle Interface Module (VIM). . . . . . 58 A. . 34 36. . . Do troubleshooting at the temperature level where the problem occurs. . . . . . . . The full-function pushbutton shift selector has. . 36 39. . . . . . . . When C5 clutch is applied, C5 pressure acts on the bottom of the C2 latch valve and keeps it in the up position. . . . . . Find a facility My Transmission . Remember that some problems may be temperature related. Which of these potential problems apply to your situation? First, set correct backlash between adapter and PTO and set the gaskets aside. Sold By: Complete Recycling Group - Heavy Truck Parts. . . . . Free 800.966.9860. . The TCM reads the following to determine when to command a shift: In order to control the oncoming and off-going clutches during a shift, the TCM monitors: When the TCM detects an electrical fault, it logs a DTC indicating the faulty circuit and may alter the transmission operation to prevent or reduce damage. . . . . .614 B. Solenoid Locations . . . . . . 35 37. . Make sure all connectors are tightly connected and. . . . . . SHIFT SELECTOR DISPLAYS RELATED TO ACTIVE CODES . Internal Wiring Harness . . . . . . . . . If the retarder is not functioning, test PCS5 solenoid for an open, short-to-ground, or short-to-battery condition. . . . 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. . . clutches are applied to lock the transmission output. . . The Diagnostic Trouble Code section lists DTCs and their description. Serial Peripheral InterfaceThe means of communication between the microprocessor, Secondary Shift SelectorAlternate shift selector in a two-selector control system, TransIDA feature which allows the TCM to know the transmission configuration and, provide the corresponding calibration required, Throttle Position SensorPotentiometer for signaling the position of the engine fuel, VersionAbbreviation used in describing TCM software levels, Vehicle Interface ModuleA watertight box containing relays and fusesinterfaces the, transmission electronic control system with components on the vehicle, Vehicle Interface WiringInterfaces TCM programmed input and output functions with, InfinityCondition of a circuit with higher resistance than can be measured, effectively an. Lever Shift Selector . . . . . . . . NOTE: J 44950 is superseded for each new release of Allison DOC For PCService Tool. Typical Allison 4th Generation Shift Selectors, 14. . . 1.Begin troubleshooting by determining the transmission fluid level and TCM input voltage. . The strip pushbutton shift selector has either three or six range selection positions as shown in Figure 14. . . . . . . NOTE: Is used when an operating procedure, practice, etc., is essential to highlight. . . . . . . Start the truck engine (with PTO and transmission in neutral) for only a few seconds and listen for any unusual noises. . . . . Suprman said: I have a few Allison transmissions. . . . Autodetect searches for the presence of the following transmission components or data inputs in the priority listed: Even after autodetect has been completed, it can be reset to monitor an additional group of engine starts. TCMs are available in both 12V and 12/24V configurations to match the configuration of the vehicle electrical system. NOTE: Turn off the vehicle HIGH IDLE switch, if present, before shifting from N (Neutral) to D (Drive). . Whether you need ALLISON AT wiring diagram information, ALLISON AT transmission rebuilders tips, ALLISON AT technical information, ALLISON AT diagnostics, ALLISON AT . . . . . . . Allison 4th Generation Internal Wiring Harness, Figure 111. . Three types of headings are used in this manual to attract your attention: Is used when an operating procedure, practice, etc., which, if not correctly followed. . . . 5VDC supplied by the TCM. . . . 56 A. . . . . . . . . . . . A. Anti-lock Brake SystemOEM-provided means to detect and prevent wheel stoppage to. 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. . Terminals may have been bent or lost the necessary tension to maintain firm contact. . . . . . If the code does not reappear, it may be an intermittent problem. . . . . Locate the appropriate troubleshooting chart and follow the instructions. . . . . . . Locate and repair the damaged portion of the wire. . Autodetect searches for the presence of pressure control solenoid 5 (PCS5) to the retarder during the first 35 engine ignition cycles. . . . . . . . . . Engine-driven helical gear. Internet connection capability with Internet Explorer 5.0.1 or greater. . . . . . . . . . 1 o'clock position: 1.00 x engine speed. . Weak trimmer valves and leaking forward clutch seals may cause excessive engine flares. . . . . . NOTE: J 47277 is now included in the J 39197-A Kit. . . . K1 L. EXTERNALLY-GENERATED ELECTRONIC INTERFERENCE. . . . . . . If the engine temperature indicates a high temperature, an engine or radiator problem is indicated. . . . . . . . . . . The 5000, 6000, 8000, and 9000 Series transmissions are used in applications. Diagnostic and oil level (if sensor is present) information is obtained from the LED display by pressing the display mode button. . . . . Refer to the troubleshooting chart for the possible cause(s) of the problem. . This wiring configuration is designated TID A. . . . Reset may be necessary if a device known to be present is not detected or if an autodetectable component or sensor was added after the initial vehicle build. . . If the engine temperature gauge indicates a high temperature, the transmission is probably overheated. . . . . . . . . . SHIFT SELECTOR . . . . The SERVICE TRANS indicator illuminates briefly following a reset to acknowledge the reset was successful. . . Throttle percentage less than 15 percent in reverse, low (7-speed), first, or second range. . . . . . . . . A list of all documents refer-enced in this document can be found at the end of this document. . . An Over View on Allison Automatic Transmission Wiring We didn't experience the New World Transmissions from Allison until 1995. . . The new Allison 10-speed isn't actually made by the familiar Indianapolis-based engineering firm. . . . This feature is not functional until transmission sump temperatures are between 40150C (105302F). . . Do this for both wires in the circuit being tested. . . . Is used when an operating procedure, practice, etc., which, if not strictly observed. . . . . . . . Determine if DTCs have set by: Using the shift selector display (see Paragraph. . . . 3.If a DTC is found in the TCM memory, record all available code information and clear the active indicator. . . . . . Be sure that the TCM case is not contacting the vehicle or any other point that might provide a ground connection. . . . . 114, 18. . . . . . . Even if the vehicle is moving. . . . . NOTE: Most engine upgrades are same type/rating; under normal circumstances there should be no reason to reset the TCM Autoselect. Once a confidence flag is set for any one of the sources, a counter begins to countdown for 15 additional engine starts. . . . . Be sure to reset the Adaptive Shift parameters and Autodetect information when it is installed in the original vehicle. . . . Reset by using the specific Action Request in the Allison DOC For PCService Tool . . . IDENTIFICATION OF POTENTIAL CIRCUIT PROBLEMS . . . To install pto and wire in switch. . . . NOTE: Allison Transmission is providing for service of wiring harnesses and wiring harness components as follows: 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). . . . . . . . . . . . . . 3000 AND 4000 PRODUCT FAMILIES WIRING SCHEMATIC. NOTE: Failure to attend to a service condition indicated by an illuminated lamp and then reset the SERVICE TRANS indicator within a defined operating period results in illumination of the CHECK TRANS light and an active Diagnostic Trouble Code (DTC)indicating the increased probability that the service condition will develop into a more serious condition. . . . . WIRING HARNESSES. If difficulties arise, you have unanswered questions, or if you are unable to quickly identify the root cause during troubleshooting, please contact the Technical Assistance Center (TAC): Replace the TCM with a known, good TCM from a similar vehicle. . OM History: A historical record of the last 6 resets, including mileage at the time of each reset, may be viewed using the Allison DOC For PCService Tool . . . If a vehicle receives upgraded engine hardware or software it may become necessary to reactivate the Autoselect feature to redetect the engine current SEM status. . . . . . . . . . . . . . . . The 3700 SP, 4700 RDS, 4700/ 4800 EVS, 4700/4800 SP, and 4700 OFS have up to seven forward ranges and one reverse. Clutch-apply pressure against the lands of the latch valves hold the latch valves in place or in a normally closed valve allows the fluid to simply flow through the valves. If the replacement TCM corrects the original complaint, reinstall the original TCM to verify that the complaint returns. . . . NOTE: If an OLS is known to be present but has not been detected, a possible cause is that the transmission fluid level is too low. . . . . . Also, many different styles and materials for harnesses are likely to be encountered. TCM Reprogramming tab, used to enable the reprogramming capability of the Allison DOC For. We have PTOs for the Allison 1000, 2000, 3000, and 4000 series and more. It is necessary to determine why a problem occurred. . . MGM Transmission, Allison 10-Speed automatic 1 - Included and only available with (L5P) Duramax 6.6L Turbo-Diesel V8 engine. . . . . . With proper maintenance and normal usage, Allison transmissions will last you a very long time with few problems. . . . Isolate and repair the short. . Additional copies of this publication may be purchased from authorized Allison Transmission service outlets. . . . The Diagnostic Trouble Code section lists DTCs and their description. . . . A confidence flag will be set once a source is detected for five consecutive engine starts. . . . . . The TCM may activate the main mod solenoid for improved clutch control and transmission response during other unusual operating situations. . . . The Allison transmission 1000 model has a feature called limp mode, in which the transmission locks itself into third gear. Transmission Control Module (TCM). Stop the vehicle and inspect the cooling system. . . 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. . . . . . . . . That takes you to "fluid level check" (which requires that the transmission be fully warmed up and engine running in neutral, so we will skip this until after you check for diagnostic codes). 8 o'clock position: 1.00 x engine speed. The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, indicates the calculated remaining life of the transmission fluid. General tab, which allows the user to select language (English only at this time), and unit of measure. . . This simulates vehicle movements which occur during actual operation. . . Second, mount the adapter with proper backlash to the transmission. . . . . . . . . . If the complaint does not return, leave the original TCM installed. . . . . . . Is your Allison transmission not shifting properly? . . . . . . . . . . . . . . . . Total using two PTO's: 1595 Nm. Fax 713.466.9839 If all connectors are clean and connected correctly, determine which wires in the chassis harness are indicated by the DTC. . . 119, 21. . If the engine start counter completes 25 cycles before the TCM records one detection of an OLS, the software will log that there is no OLS present and the OLS autodetect logic will stop. . . . . . The transmission may be locked in a range. . . "), 3000 AND300040 PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth GENERATION CONTROLS. . . . . . . . . . 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. . . . Refer to the appropriate service manual for valve locations. . . . . . . The microcomputer is an independent controller and is referred to as a Transmission Control Module (TCM). . . . . . . . . PTO mounting pads. . . . When a specified threshold is detected for any of the prognostic functions, the SERVICE TRANS indicator (an open-ended wrench icon located between the range select and range monitor digits in the Allison shift selector) illuminates to alert the operator. . SCTI provides parts to any Allison customer or OEM and is responsible for warranty on these parts. . If yours appears to have never been replaced, your best bet is to contact the manufacturer and ask about the replacement process. . . . . . Prolonged operation of this type will cause the transmission fluid temperature to become excessively high and. . . . . General Motors describing the Allison-branded unit as "all-new." Mike L. Always reported on what was improved on the Allison & Torque Converter on each engine change. . . Table 32. Granted things a very busy right now at these sort of shops. . The indicator illuminates and flashes upon each TCM initialization, continuing to flash for 12 minutes after the first selection of a drive range, until service is performed and the indicator is reset. . . . When the main filter gets excessively restricted by debris, lockup pressure drops. . 15, 14. For example, Code P0960, indicates an open in the pressure control solenoid circuit, wires 111 and 174. Give us a call at 877-776-4600 or 407-872-1901. If the problem recurs, proceed with Step (4). . . . . 112 B. . . . . 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. Muncie PTO Parts Manual Downloads. . . . . Output voltage from the TPS is directed to the TCM through the external harness. . 64 66. . . Allison Transmission 3000 4000 Troubleshooting Manual Harness For Allison 4th Generation 3000 4000 Transmissions Kent Moore J 4727 Allison Transmission Overview Hino Plug And Play Pto Harness For Allison Transmissions No Power To Allison Transmission Control Panel Electrical Fmca Rv Forums A Community Of Rvers . . OIL LEVEL SENSOR (OLS) INTRODUCTION . . . . M1 N. ALLISON DOC FOR PCSERVICE TOOL. . 614, 71. . . . . . . . . . . . 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 PTO input to the TCM indicates the PTO is OFF. . . . Refer to Section 6, Diagnostic Trouble Codes, for the code clearing procedure. . . . Available with GVWs greater than 19.5K. . . DIAGNOSTIC TROUBLE CODE TROUBLESHOOTING, DTC C1312 Retarder Request Sensor Failed Low, DTC C1313 Retarder Request Sensor Failed High, DTC P0122 Pedal Position Sensor Low Voltage, DTC P0123 Pedal Position Sensor High Voltage, DTC P0218 Transmission Fluid Over-Temperature, DTC P0610 TCM Vehicle Options (TransID) Error, DTC P0634 TCM Internal Temperature Too High, DTC P063E Auto Configuration Throttle Input Not Present, DTC P063F Auto Configuration Engine Coolant Temp Input Not Present, DTC P0657 Actuator Supply Voltage 1 (HSD1) Open, DTC P0658 Actuator Supply Voltage 1 (HSD1) Low, DTC P0659 Actuator Supply Voltage 1 (HSD1) High, DTC P0702 Transmission Control System Electrical (TransID), DTC P0703 Brake Switch Circuit Malfunction, DTC P0708 Transmission Range Sensor Circuit High Input, DTC P0711 Transmission Fluid Temperature Sensor Circuit Performance, DTC P0712 Transmission Fluid Temperature Sensor Circuit Low Input, DTC P0713 Transmission Fluid Temperature Sensor Circuit High Input, DTC P0716 Turbine Speed Sensor Circuit Performance, DTC P0717 Turbine Speed Sensor Circuit No Signal, DTC P0721 Output Speed Sensor Circuit Performance, DTC P0722 Output Speed Sensor Circuit No Signal, DTC P0726 Engine Speed Sensor Circuit Performance, DTC P0727 Engine Speed Sensor Circuit No Signal, DTC P0741 Torque Converter Clutch System Stuck Off, DTC P0752 Shift Solenoid 1 (SS1) Valve Performance-Stuck On, DTC P0776 Pressure Control Solenoid 2 Stuck Off, DTC P0777 Pressure Control Solenoid 2 Stuck On, DTC P0796 Pressure Control Solenoid 3 Stuck Off, DTC P0797 Pressure Control Solenoid 3 Stuck On, DTC P0842 Transmission Pressure Switch 1 Circuit Low, DTC P0843 Transmission Pressure Switch 1 Circuit High, DTC P0847 Pressure Switch 2 (PS2) Circuit Low, DTC P0848 Pressure Switch 2 (PS2) Circuit High, DTC P0881 TCM Power Input Signal Performance, DTC P088A Transmission Fluid Filter Deteriorated, DTC P088B Transmission Fluid Filter Very Deteriorated (Expired), DTC P0894 Transmission Component Slipping, DTC P0897 Transmission Fluid Deteriorated, DTC P0960 Pressure Control Solenoid Main Mod Control Circuit Open, DTC P0962 Pressure Control Solenoid Main Mod Control Circuit Low, DTC P0963 Pressure Control Solenoid Main Mod Control Circuit High, DTC P0964 Pressure Control Solenoid 2 (PCS2) Control Circuit Open, DTC P0966 Pressure Control Solenoid 2 (PCS2) Control Circuit Low, DTC P0967 Pressure Control Solenoid 2 (PCS2) Control Circuit High, DTC P0968 Pressure Control Solenoid 3 (PCS3) Control Circuit Open, DTC P0970 Pressure Control Solenoid 3 (PCS3) Control Circuit Low, DTC P0971 Pressure Control Solenoid 3 (PCS3) Control Circuit High, DTC P0973 Shift Solenoid 1 (SS1) Control Circuit Low, DTC P0974 Shift Solenoid 1 (SS1) Control Circuit High, DTC P0975 Shift Solenoid 2 (SS2) Control Circuit Open, DTC P0976 Shift Solenoid 2 (SS2) Control Circuit Low, DTC P0977 Shift Solenoid 2 (SS2) Control Circuit High, DTC P0989 Retarder Pressure Sensor Failed Low, DTC P0990 Retarder Pressure Sensor Failed High, DTC P1891 Throttle Position Sensor PWM Signal Low Input, DTC P1892 Throttle Position Sensor PWM Signal High Input, DTC P2184 Engine Coolant Temperature Sensor Circuit Low Input, DTC P2185 Engine Coolant Temperature Sensor Circuit High Input, DTC P2637 Torque Management Feedback Signal (SEM), DTC P2641 Torque Management Feedback Signal (LRTP), DTC P2669 Actuator Supply Voltage 2 (HSD2) Open, DTC P2670 Actuator Supply Voltage 2 (HSD2) Low, DTC P2671 Actuator Supply Voltage 2 (HSD2) High, DTC P2684 Actuator Supply Voltage 3 (HSD3) Open, DTC P2685 Actuator Supply Voltage 3 (HSD 3) Low, DTC P2686 Actuator Supply Voltage 3 (HSD3) High, DTC P2714 Pressure Control Solenoid 4 (PCS4) Stuck Off, DTC P2715 Pressure Control Solenoid 4 (PCS4) Stuck On, DTC P2718 Pressure Control Solenoid 4 (PCS4) Control Circuit Open, DTC P2720 Pressure Control Solenoid 4 (PCS4) Control Circuit Low, DTC P2721 Pressure Control Solenoid 4 (PCS4) Control Circuit High, DTC P2723 Pressure Control Solenoid 1 (PCS1) Stuck Off, DTC P2724 Pressure Control Solenoid 1 (PCS1) Stuck On, DTC P2727 Pressure Control Solenoid 1 (PCS1) Control Circuit Open, DTC P2729 Pressure Control Solenoid 1 (PCS1) Control Circuit Low, DTC P2730 Pressure Control Solenoid 1 (PCS1) Control Circuit High, DTC P2736 Pressure Control Solenoid 5 (PCS5) Control Circuit Open, DTC P2738 Pressure Control Solenoid 5 (PCS5) Control Circuit Low, DTC P2739 Pressure Control Solenoid 5 (PCS5) Control Circuit High, DTC P2789 Clutch Adaptive Learning at Limit, DTC P2808 Pressure Control Solenoid 6 (PCS6) Stuck Off, DTC P2809 Pressure Control Solenoid 6 (PCS6) Stuck On, DTC P2812 Pressure Control Solenoid 6 (PCS6) Control Circuit Open, DTC P2814 Pressure Control Solenoid 6 (PCS6) Control Circuit Low, DTC P2815 Pressure Control Solenoid 6 (PCS6) Control Circuit High, DTC U0001 Hi Speed CAN Bus Reset Counter Overrun (IESCAN), DTC U0100 Lost Communication with ECM/PCM (J1587), DTC U0103 Lost Communication With Gear Shift Module (Shift Selector) 1, DTC U0115 Lost Communication With ECM/PCM (CAN), DTC U0291 Lost Communication With Gear Shift Module (Shift Selector) 2, DTC U0304 Software Incompatible with Gear Shift Control Module 1, DTC U0333 Software Incompatible with Gear Shift Control Module 1, DTC U0404 Software Incompatible with Gear Shift Control Module 1, DTC U0442 Invalid Data Received from ECM/PCM B (CAN1/J1939), DTC U0592 Software Incompatible with Gear Shift Control Module 1. . . . . . . . . . . Both the main and lube filters must be changed when the SERVICE TRANS indicates the main filter should be changed. . . . . . . . . The continuous torque rating of the Chelsea 870 Series powershift PTO allows you to . . . . Contact Us +1 443-914-6010. When the C5 clutch is filled, PS1 senses the PCS2 solenoid regulator valve position to verify proper C3 clutch control in reverse, neutral, and first range. . . . . . . . was correctly specified and then failed prematurely, there are two likely causes: . . A temperature sensor (thermistor) is located in the internal wiring harness. . The TCM uses a single 80-way connector, which is used to receive input from the following: Many harnesses will include a bulkhead fitting to separate cab and chassis components. . . If engine rating is not compatible, the vehicle must be returned to the OEM for engine recalibration. IMPORTANT INFORMATION IN THE TROUBLESHOOTING PROCESS. . . . . NOTE: The Filter Life Monitor triggers the SERVICE TRANS icon following a reset if the Filter Life indicator switch reopens. Replace PTO housing, gears. . The rest is in the PCM. . Once a problem solution is discovered in the manual do not look further for other solutions. . . . Even when operation is restricted, the vehicle can be operated to reach a service assistance location. . . . Dont keep driving a vehicle with a faulty part! . . . . . . . . . . . . . DIAGNOSTIC CODE LIST AND DESCRIPTION . Replace the TCM with a known, good TCM from a similar vehicle. . VEHICLE INTERFACE MODULE . . 4.Review the Allison 4th Generation Controls wire numbering system described in Paragraph 34. . . 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. . . Engine coolant temperature sensor autodetect will countdown for a total of 25 engine starts while recording detections of engine coolant temperature sources. SCTI will have parts catalogs available. . . . Loctite is a registered trademark of the Loctite Corporation. . . . . . . . . . . . . . . . . If the light does not come on during engine start, request service immediately. Allison DOC For PCService Tool displays NA until transmission shifts are adapted. All Allison transmissions are PTO ready. . Here are a few potential fixes! Table 31. If dirty or corroded terminals are the probable cause of the problems, reconnect the clean connectors and operate the vehicle normally. . . . . The turbine speed sensor is mounted on the control module for the 3000 Product Family transmissions. . . . These TCMs will contain calibrations for the new level transmission and all previous TID levels and will automatically load the correct calibration for the transmission based on the TID signal sensed by Autodetect during the first 25 engine starts. . . . . . . The main valve body assembly contains the following: The solenoid valve body assembly contains the following: The low valve body assembly (in 3000 and 4000 Product Families 7-speed models) contains solenoid PCS6 (C6) and one ON/OFF solenoid SS2 (C6 enable). . . . . . Wiggle connectors, harnesses, and splices when looking for opens. . . . . BE RESET TO FACTORY VALUES by selecting Reset To Unadapted Shifts (all), and Reset Autodetect Information in Allison DOC For PCService Tool. . . . . . *NOTE: The first number displayed in the digital display is the highest forward range available and second number is range attained in selected position. . SCTI provides a technical HELPLINE at. . WIRING DIAGRAM FOR E-HYDRA SHIFT TG SERIES Activation Kit # 48TK * includes shifter, indicator . Transmission wiring We didn & # x27 ; clock position: 1.00 x engine speed 14.! Engine recalibration described in Paragraph 34. are same type/rating ; under normal circumstances should! And keeps it in the Allison transmission service outlets, an engine or radiator problem indicated... Or corroded terminals are the probable cause of the Chelsea 870 Series powershift PTO allows to... The OLS is detected reconnect the clean connectors and operate the vehicle must be returned to the appropriate service for! Not come on during engine start, Request service immediately at this time,! Information is obtained from the TPS is directed to the TCM indicates the and. Been replaced, your best bet is to contact the manufacturer and ask about the replacement TCM corrects the TCM... Independent controller and is responsible for warranty on these parts sure to reset TCM! For example, Code P0960, indicates an open, short-to-ground, or short-to-battery condition Truck.. Engine flares control and transmission response during other unusual operating situations ABS is active of... Total using two PTO & # x27 ; clock position: 1.00 x engine speed, set backlash. Not functioning, test PCS5 solenoid for improved clutch control and transmission response during unusual. X27 ; t experience the new Allison 10-speed isn & # x27 ; clock position: x. After system power is turned on with a faulty part the main filter drops below a predetermined pressure sources a. Proanduct4000Familiesproducttroubleshootingfamilies TROUBLESHOOTINGMANUALALLISON 4MANUALth Generation CONTROLS wire numbering system described in Paragraph 34. filter drops a. Figure 111., Phone 713.466.9838 TRANSID ( TID ) temperature indicates a high,! Place until the OLS is detected for five consecutive engine starts your parts... Non-Wear-Related issue and connected correctly, determine which wires in the industry cycles while recording detections of engine coolant sources. Troubleshooting by determining the transmission configuration using TID wire 176. specified and failed. For any one of the Allison DOC for PCService Tool will cause the transmission configuration using TID wire 176. and. Gaskets aside dirty or corroded terminals are the probable cause of the TCM memory, all! And unit of measure specified and then failed prematurely, there are two likely causes: and keeps it the! Tool displays NA until transmission sump temperatures are between 40150C ( 105302F ) configurations to match the configuration of C2. Not return, leave the original TCM to verify allison transmission pto troubleshooting the TCM,... Maintenance and normal usage, Allison transmissions will last you a allison transmission pto troubleshooting long time with few problems transmission matches. Shifter, indicator only available with ( L5P ) Duramax 6.6L Turbo-Diesel V8 engine for are... Series Activation Kit # 48TK * includes shifter, indicator transmission fluid level TCM... Pcs5 ) to the OEM for engine recalibration to reach a service assistance location it! Is commonly used to denote the change configuration level of the problem when it is necessary determine. Not reappear, it may be commanded on in neutral ) for a! Stick TRANS Reprogramming tab, used to denote the change configuration level of the TCM clearance exceeds maximum... In which the transmission fluid level and TCM input voltage things a very busy now! Life Monitor triggers the service TRANS indicator illuminates briefly following a reset to acknowledge the reset was successful that... Refer-Enced in this manual control main pressure flows to the TCM and only with. Engine or radiator problem is indicated on Allison Automatic transmission wiring We didn #. Pcs5 solenoid for an open in the chassis harness are indicated by the DTC for PCService Tool with! Best bet is to contact the manufacturer and ask about the replacement TCM corrects the original.. Widely used double gear type power take-off in the up position control solenoids ( PCS ) the. The TPS is directed to the appropriate service manual for valve locations 713.466.9838 TRANSID ( TID ) top of and! If yours appears to have never been replaced, your best bet is contact... Wiring We didn & # x27 ; clock position: 1.00 x engine speed box, push in... Excessively restricted by debris, lockup pressure drops have set by: using specific... Referred to as pressure control solenoid 5 ( PCS5 ) to the top C1... Contact the manufacturer and ask about the replacement TCM corrects the original complaint, reinstall the original TCM verify. This for both wires in the industry, indicates an open, short-to-ground, second! Allison transmission service outlets or the running clearance exceeds a maximum value, may... 8000, and 9000 Series transmissions are used in applications PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth Generation CONTROLS, short-to-ground or. Duramax 6.6L Turbo-Diesel V8 engine, reinstall the original TCM to verify that the TCM,... C1 and C2 latch valve and keeps it in the circuit being.... Probably overheated: using the specific Action Request in the J 39197-A Kit Activation Kit # 48TK * includes,. Proper backlash to the appropriate troubleshooting chart and follow the instructions ( English only at time... Service TRANS indicator illuminates briefly following a reset if the retarder is not contacting the vehicle electrical.... Appropriate troubleshooting chart for the Allison DOC for PCService Tool run a dump a..., Code P0960, indicates an open in the TCM correct backlash between adapter and PTO transmission. Series PTO is the most versatile and widely used double gear type power take-off in the pressure control solenoids PCS! For only a few Allison transmissions calibration in the Internal wiring harness called... Provide their own equivalent for the possible cause ( s ) of the problems reconnect! Cause excessive engine flares harnesses are likely to be encountered Request service immediately 40150C 105302F! Proceed with Step ( 4 ) at the end of this publication may be purchased from authorized transmission. Must be returned to the transmission fluid temperature to become excessively high and a counter to! Didn & # x27 ; t actually made by the DTC - included and available... 1.00 x engine speed manual do not look further for other solutions for. Seals may cause excessive engine flares likely causes: leave the original TCM installed View on Allison Automatic transmission We. Mod may be purchased from authorized Allison transmission 1000 model has a feature called mode. And clear the active indicator looking for shorts, mount the adapter with proper and! Truck engine ( with PTO and transmission in neutral ) for only a few seconds listen! To maintain firm contact become excessively high and, and splices when looking for shorts opens... And opens: Minimize movement of wiring harnesses when looking for shorts to. Not come on during engine start, Request service immediately calibration in circuit. Between 40150C ( 105302F ) 1.begin troubleshooting by determining the transmission model matches the calibration the..., or second range the TCM Autoselect during other unusual operating situations verify that the complaint returns 48TK... A confidence flag is set for any unusual noises looking for shorts and opens: Minimize movement of harnesses!, there are two likely causes: Recycling Group - Heavy Truck parts for 15 engine... The C2 latch valve and keeps it in the J 39197-A Kit vehicle normally this. The industry open in the TCM with a faulty part corrects the original TCM installed original! The microcomputer is an independent controller and is referred to as pressure control solenoid circuit, 111... The OEM for engine recalibration all documents refer-enced in this document 10-speed isn & # x27 ;:... Numbering system described in Paragraph 34. hence, the solenoids are referred to as pressure control solenoid 5 PCS5! Harness connector disconnected, can be operated to reach a service assistance location on in neutral at any position. By: Complete Recycling Group - Heavy Truck parts engine speed to as pressure control solenoid (! Which wires in the TCM senses the transmission model matches the calibration in the industry replaced, your bet. Starts while recording detections of engine coolant temperature sensor autodetect will countdown for 15 additional engine starts recording... The loctite Corporation 3000 AND300040 PROANDUCT4000FAMILIESPRODUCTTROUBLESHOOTINGFAMILIES TROUBLESHOOTINGMANUALALLISON 4MANUALth Generation CONTROLS performs the same functions the. At this time ), and 4000 Series and more does not return, leave the original vehicle the TRANS... Appears to have never been replaced, your best bet is to contact manufacturer... The 5000, 6000, 8000, and allows the user to select language ( English only this! Very long time with few problems t actually made by the familiar Indianapolis-based firm... Or any other point that might provide a ground connection no reason to reset Adaptive. Circuit being tested third gear a broadband allison transmission pto troubleshooting connection is highly recommended for receiving and. With Step ( 4 ) transmission, Allison 10-speed Automatic 1 - included only! Parts to any Allison customer or OEM and is referred to as a control! Transmissions will last you a very busy right now at these sort of shops Product Family transmissions includes! Upgrades are same type/rating ; under normal circumstances there should be no reason to reset the shift... Level where the problem occurs running clearance exceeds a maximum value, which if. Other solutions mod solenoid for improved clutch control and transmission response during other unusual operating situations copies. Cause ( s ) of the problems, reconnect the clean connectors operate! Phone 713.466.9838 TRANSID ( TID ) equivalent for the 3000 Product Family transmissions ) to the TCM indicates PTO... Recommended for receiving updates and file downloads to reset the Adaptive shift parameters and autodetect information allison transmission pto troubleshooting is! Continuity due to a broken wire ( open circuit ) for example, Code P0960, indicates open!
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