allison transmission pto troubleshooting

. . Some are live and synchronized all the time and can be turned on and off at will as long as the engine is near or at idle. . . . . . WebPTO placement for Allison transmission The most important part of a PTO installation is the gear, or gear set design. . . . . . . . NOTE: J 47277 is now included in the J 39197-A Kit. Lever Shift Selector . jonathan michael schmidt; potato shortage uk 1970s . . . Allison Transmission (AT) is responsible for warranty on these parts. . Torque converter not in lock-up mode. R1. . . This may be a bit hard to do as, over the years, Allison has continually upgraded and updated their transmission models. . . . . . .

. They are expensive.. . . . . . The strip pushbutton shift selector does not have a MODE button, diagnostic capability, or adjustable illumination. . . . . . . . . . . SCTI recognizes AT, manufacturers, and SCTI part numbers. . Reset is accomplished by using Allison DOC For PCService Tool. 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. 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Determine if DTCs have set by: Using the shift selector display (see Paragraph 62 for code reading). During an electrical interruption, the latch valves and two normally high, PCS1 and PCS2, enable the transmission to operate in a limp mode, allowing the operator to drive the vehicle to a location where it can be serviced. . . . . . . . . . . . Description of the 3000 and 4000 Product Families Allison 4TH Generation Electronic Control system. . . .

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Service Manuals SM4013EN and SM4014EN, plus Parts Catalogs PC2150EN and PC2456EN may be used in conjunction with this manual. . Two wires have frayed and are shorted together. . . . . . . . . . . . RESETTING A TCM PARAMETERS TO SUPPORT ENGINE UPDATE, 3-9. . . . Find a facility My Transmission Repair parts for the external harnesses and external harness components must be obtained from St. Clair Technologies Inc. (SCTI).

Whenever a transmission is overhauled, exchanged, or has undergone internal repairs, the TCM MUST. . nabuckeye.org. . The turbine speed sensor is directed at the rotating-clutch housing.

Figure 21. . . . There are three full-function pushbutton shift selectors and a strip pushbutton shift selector. . Test continuity of wires 111 and 174 by performing the following (Figure 41): (1)Disconnect the 80-way connector from the TCM and disconnect the harness from the transmission main connector. . . . . . If your transmission is installed in an older vehicle, check the vacuum lines and other parts connected to the transmission. . . . . . . . . . . . . . However, if a matching calibration does not exist in memory, the TCM registers a DTC. DIAGNOSTIC CODE RESPONSE . NOTE: All external harnesses are OEM supplied. . . . . 55 A. Fluid Level Check Procedure . .

. . . . . . Worn or damaged clutch pack. 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 WARNINGS, CAUTIONS, and NOTES in this manual apply only to the Allison transmission and not to other vehicle systems which may interact with the transmission. 32.3K subscribers. . .

. . . . New fluid is displayed as 99 percent. . . . . . . HYDRAULIC OPERATION DURING ELECTRICAL INTERRUPTION, 4-2. . . . . Allison DOC For PCService Tool indicates the Filter Life Monitor expired as YES or NO. . . . . . .

. . . . . . . . . . . . Refer to the troubleshooting chart for the possible cause(s) of the problem. . Refer to Appendix A if a circuit problem is suspected. . . . . . . . . . Allison Transmission could not possibly know, evaluate, or advise the service trade of all conceivable procedures by which service might be performed or of the possible hazardous consequences of each procedure. . . . could result in damage to or destruction of equipment. . . . Jax Austin. . Transmission operation at cold ambient temperatures may require preheating or the use of a lower viscosity transmission fluid. . . It is normal for the TCM date displayed electronically to be a few days prior to the date shown on the label. Reliable transmission operation and performance depend upon a correctly installed transmission. . . The turbine speed sensor on the 4000 Product Family transmission is located on the outside of the main housing. . . DIAGNOSTIC CODE MEMORY. . BE RESET TO FACTORY VALUES by selecting Reset To Unadapted Shifts (all), and Reset Autodetect Information in Allison DOC For PCService Tool. A second adjustment allows the PTO to re-engage at the desired speed. 56 B. . 16. . . . . . . . . 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. . . . . . . . . . Interruption of electrical power results in the solenoid regulator valves locking in their normally high or low state. . . . . . . . . . 3.Thoroughly clean corroded or dirty terminals. Description of the 3000 and 4000 Product Families Allison 4. . . . . H1 J. . . . . . . . . . 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. . . . . Minimum value displayed is 00 percent. . .

. . . . Wiggle connectors, harnesses, and splices when looking for opens. . This can be discovered by using HY25-3000/US Applications Catalog. . Shorts involve. . . . . . . . . . . . . . . . . . . To use the Allison DOC For PCService Tool, select RESET AUTODETECT to search for all four devices. . . . to work, the gears must mesh properly with the transmissions PTO drive gear. . .
. . . . . . . . 21K views 3 years ago #BusLife #VanLife #510. . . . . . . . . . . . . Loctite is a registered trademark of the Loctite Corporation. . . . . Windows Media Player is installed by default, Adobe Acrobat Reader is installed by default. . .

. . . . . . 56 A. . 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. . The display message indicates the operating status of the transmission main filter, based on the measured pressure drop across the filter. . . . . . . . The engine speed signal is generated by ribs on the shell of the torque converter pump. . . . NOTE: A broadband Internet connection is highly recommended for receiving updates and file downloads. . . . The two main troubleshooting areas are mechanical and electrical. . . . If the complaint does not return, leave the original TCM installed. . Hence, the solenoids are referred to as pressure control solenoids (PCS). . . The display message, seen in Allison DOC For PCService Tool or the Allison shift selector, indicates the calculated remaining life of the transmission fluid. . Remove and clean. . . Locate and repair the damaged portion of the wire. . .

. . If the code reappears, refer to Section 6, Diagnostic Trouble Code, and the appropriate code chart. . . . J1 K. SOLENOID RESISTANCE CHARTS . 114, 18. If the noise stops once the attachment is removed, then you can start to look at the rest of the system. . . . . Oil Level Sensor (OLS) . . . . . . . . . . . WebAllison AT545 Transmission Parts Breakdown. . . . A. Anti-lock Brake SystemOEM-provided means to detect and prevent wheel stoppage to. . . Reviewing the Table of Contents will aid you in quickly locating information. . . . . ), FOREWARD. Disconnecting and reconnecting the TCM can often correct faulty wiring harness connections that may have been present. . . . . Air or hydraulic fluid deadheads against the valve. The Throttle Position Sensor (TPS) can be mounted to the engine, chassis, or transmission. . . .

. . . . . 58, 57 FLUID RECOMMENDATIONS . . . G1 H. HYDRAULIC SCHEMATICS . . . . . Additionally, OLS detection must occur within 12.5 seconds on any given engine start. . . 13 13. . The latch valves (refer to Appendix H) are activated by normally low solenoid SS1. . 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). DIAGNOSTIC CODE TROUBLESHOOTING . . . . .

. . . . . . . . . This wiring configuration is designated TID A. .

. . Excessive load. . . . . . . . . . . . . . . . Transmission issue. . . . . . iv, 11. . . . This simulates vehicle movements which occur during actual operation. If the transmission overheats during normal operation, use the Oil Level Sensor (OLS), if equipped, to check for correct fluid level. . . . Inspect all connector terminals for damage. . . Stop the vehicle and inspect the cooling system. . . . . . . . . . . . . . . . 16 15. The 3700 SP, 4700 RDS, 4700/ 4800 EVS, 4700/4800 SP, and 4700 OFS have up to seven forward ranges and one reverse. ALLISON TRANSMISSION DIAGNOSTIC TOOL, 3-4. . . . . . . . . . . . . . . . . . . Display the Oil Life Monitor information and press and hold the MODE button of the Allison shift selector for 10 seconds. Determine the fluid level before beginning the OLS troubleshooting. . . . Reduce load. . . . When the CHECK TRANS has been illuminated for this purpose, the TCM registers DTC P088B, Very Deteriorated Filter. . . . . . . WebChelsea PTO Installation Allison Transmission - Weller Truck 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). . . Electrical issues may include wrong or omitted parts, bad connections and/or poor grounding. . . .

. . . . . . . . . . . . General tab, which allows the user to select language (English only at this time), and unit of measure. . . If the engine is not supported, the TCM will lock to a non-SEM state. . ALLISON TRANSMISSION DIAGNOSTIC TOOL. . . . . . 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. . . . . . . . . . . . . . . . . 57 56 KEEPING FLUID CLEAN . . . . . . . . . Older ones are manual cable shift. .