Allison Transmission 3000/4000 series fault code list
Table of fault codes, Automatic transmission Series 3000, 4000 with electronic control system Gen4
Table of fault codes
|
Error code |
Description |
Lamp Check Trans |
Control system response |
|
C1312 |
Low voltage signal to turn on the retarder |
OFF |
Retarder does not turn on |
|
C1313 |
High voltage signal to turn on the retarder |
OFF |
Retarder does not turn on |
|
P0122 |
Intermittent or low gas pedal position sensor signal |
OFF |
The default value is used. |
|
P0123 |
High signal level pedal position sensor gas |
OFF |
The default value is used. |
|
P0218 |
Oil temperature too high |
OFF |
A control pattern is used when the temperature is exceeded. Keeps 4 transfer. Prohibition of locking torque converter. Gear shift adaptation is disabled. |
|
P0562 |
Low supply voltage control unit |
OFF |
The ban on locking torque converter. DNA |
|
P0602 |
Control unit not programmed |
ON |
Remains neutral |
|
P0610 |
Error of the additional equipment of the car with the control unit |
ON |
TID A calibration data is used. |
|
P0613 |
Control unit processor error |
OFF |
All solenoids are OFF. |
|
P0614 |
Incompatibility of ECM and TCM data to adjust engine torque |
ON |
Only neutral, rear and second gear. Torque lock inhibit, shift adaptation OFF |
|
P0634 |
Control unit temperature exceeded |
ON |
DNS, SOL OFF, active hydraulic control. |
|
P063E |
No auto throttle throttle position input signal |
ON |
The default value is used. |
|
P063f |
No auto coolant temperature signal |
OFF |
- |
|
P0657 |
HSD1 open circuit |
ON |
SOL OFF, DNA. Interlocking of the torque converter, prohibition of the main modulation. |
|
P0658 |
HSD1 low voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0659 |
HSD1 high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0702 |
The control unit did not recognize the automatic transmission configuration. |
ON |
Uses standard configuration |
|
P0703 |
Brake Sensor Circuit Malfunction |
OFF |
On the garbage trucks cannot enable ND. If the code is active, then the work of the retarder is prohibited. |
|
P0708 |
High level signal from the current transmission sensor. |
ON |
Ignore the signal of the strip switch |
|
P070C |
Low oil level sensor signal |
OFF |
- |
|
P070D |
High oil level sensor signal |
OFF |
- |
|
P0711 |
Non-standard oil temperature sensor signal |
ON |
Uses the default temperature |
|
P0712 |
Low oil temperature sensor signal |
ON |
Uses standard temperature value |
|
P0713 |
High oil temperature sensor signal |
ON |
Uses standard temperature value |
|
P0716 |
Non-standard Turbine Wheel Speed Sensor Signal |
ON |
DNS, automatic transmission is blocked on the current transfer |
|
P0717 |
Turbine wheel speed sensor signal missing |
ON |
DNS, automatic transmission is blocked on the current transfer |
|
P0719 |
ABS braking sensor signal low |
OFF |
Considers ABS OFF |
|
P071A |
Incompatible RELS input |
ON |
RELS OFF |
|
P071D |
Wrong input signal of the special function (wire 101 and 142) |
ON |
- |
|
P0721 |
Non-standard output speed sensor signal |
ON |
DNS, automatic transmission remains on the current transfer |
|
P0722 |
No output speed sensor signal |
ON |
DNS, automatic transmission stays on current gear |
|
P0726 |
Non-standard engine speed sensor signal |
OFF |
Uses standard turbine speed value |
|
P0727 |
Missing engine speed sensor signal |
OFF |
Uses standard turbine speed value |
|
P0729 |
Wrong gear ratio in 6th gear |
ON |
DNS, trying to enable 5th, then 3rd gear |
|
P0731 |
Incorrect gear ratio in 1st gear |
ON |
DNS, trying to enable 2nd, then 5th gear |
|
P0732 |
Wrong gear ratio in 2nd gear |
ON |
DNS, trying to enable 3rd, then 5th gear |
|
P0733 |
Incorrect gear ratio in 3rd gear |
ON |
DNS, trying to enable 4th, then 6th gear |
|
P0734 |
Incorrect gear ratio in 4th gear |
ON |
DNS, trying to enable 5th, then 3rd gear |
|
P0735 |
Invalid gear ratio in 5th gear |
ON |
DNS trying to enable 6th then the 3rd, then the 2nd gear |
|
P0736 |
Wrong gear ratio in reverse gear |
ON |
DNS blocked on neutral |
|
P0741 |
Slipping clutch locking torque converter |
ON |
- |
|
P0752 |
Stuck solenoid SS1 pressure regulating valve |
ON |
DNS |
|
P0776 |
Malfunction in the PCS2 solenoid hydraulic circuit |
ON |
DNS, RPR |
|
P0777 |
Malfunction in the PCS2 solenoid hydraulic circuit |
ON |
DNS, RPR |
|
P0796 |
Fault in the hydraulic circuit of the PCS3 solenoid |
ON |
DNS, RPR |
|
P0797 |
Fault in the hydraulic circuit of the PCS3 solenoid |
ON |
DNS, RPR |
|
P0842 |
PS1 pressure sensor low voltage. |
ON |
DNS, automatic transmission stays on current gear |
|
P0843 |
PS1 pressure sensor high voltage. |
ON |
DNS, automatic transmission stays on current gear |
|
P0847 |
PS2 Pressure Sensor Low Voltage |
ON |
- |
|
P0848 |
PS2 Pressure Sensor High Voltage |
ON |
- |
|
P0880 |
The disappearance of the power control unit during engine operation |
OFF |
- |
|
P0881 |
Control unit voltage too low or jumping |
OFF |
- |
|
P0882 |
The voltage on the control unit is below normal |
ON |
DNS, SOL OFF, hydraulic control is active |
|
P0883 |
The voltage on the control unit is above normal |
OFF |
- |
|
P088A |
Oil filter clogged |
OFF |
- |
|
P088B |
Oil filter heavily clogged |
OFF |
- |
|
P0894 |
No transfer of the moment in first gear |
ON |
DNS remains on 1 transmission |
|
P0897 |
Gear oil requires replacement |
ON |
- |
|
P0960 |
Open circuit solenoid valve modulation pressure |
ON |
- |
|
P0962 |
Low voltage in the solenoid circuit of the pressure modulating valve |
ON |
DNS, SOL OFF, hydraulic control is active |
|
P0963 |
Modulation valve solenoid circuit high voltage pressure |
ON |
- |
|
P0964 |
PCS2 solenoid open circuit |
ON |
DNS, SOL OFF, hydraulic control is active |
|
P0966 |
PCS2 solenoid circuit low voltage |
ON |
DNS, SOL OFF, hydraulic control is active |
|
P0967 |
PCS2 solenoid circuit high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0968 |
PCS3 solenoid open circuit |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0970 |
PCS3 solenoid circuit low voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0971 |
PCS3 solenoid circuit high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0973 |
Low voltage in the circuit of the solenoid SS1 |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0974 |
High voltage in the solenoid circuit SS1 |
ON |
DNS, SOL OFF, hydraulic control active |
|
P0975 |
SS2 solenoid open circuit |
ON |
On 7-speed automatic transmissions, 1st and 7th gears are not included. |
|
P0976 |
Low voltage in the solenoid circuit SS2 |
ON |
On 7-speed automatic transmissions, 1st and 7th gears are not included, prohibition of locking the torque converter |
|
P0977 |
High voltage in the solenoid circuit SS2 |
ON |
On 7-speed automatic transmissions, 1st and 7th gears are not included. |
|
P0989 |
The signal from the retarder has interruptions |
OFF |
Retarder does not turn on |
|
P0990 |
The signal from the retarder has a short circuit |
OFF |
Retarder does not turn on |
|
P1739 |
Wrong gear ratio in low gear |
ON |
DNS, prohibition of work on 1 transfer |
|
P1891 |
Accelerator pedal position sensor signal below normal |
OFF |
Uses the standard pedal depression value. |
|
P1892 |
Accelerator pedal position sensor signal is above normal |
OFF |
Uses the standard pedal depression value. |
|
P2184 |
Low voltage signal coolant temperature sensor |
OFF |
Uses standard temperature value |
|
P2185 |
Coolant temperature sensor signal high voltage |
OFF |
Uses standard temperature value |
|
P2637 |
Disturbance in the operation of the torque control system when changing gears SEM |
ON |
Prohibition of the SEM system |
|
P2641 |
Disturbance in the system of torque limiting on the lower gears LRTP |
ON |
Disable LRTP system operation |
|
P2669 |
HSD2 open circuit |
ON |
SOL OFF, blocking the torque converter, banning the main modulation, DNA |
|
P2670 |
HSD2 low voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2671 |
HSD2 high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2684 |
HSD3 open circuit |
ON |
SOL OFF, blocking the torque converter, banning the main modulation, DNA |
|
P2685 |
HSD3 low voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2686 |
HSD3 high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2714 |
Fault in the hydraulic circuit of the PCS4 solenoid |
ON |
DNS, RPR |
|
P2715 |
Fault in the hydraulic circuit of the PCS4 solenoid |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2718 |
PCS4 solenoid open circuit |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2720 |
PCS4 solenoid circuit low voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2721 |
PCS4 solenoid circuit high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2723 |
Malfunction in the PCS1 solenoid hydraulic circuit |
ON |
DNS, RPR |
|
P2724 |
Malfunction in the PCS1 solenoid hydraulic circuit |
ON |
DNS, RPR |
|
P2727 |
PCS1 solenoid open circuit |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2729 |
PCS1 solenoid circuit low voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2730 |
PCS1 solenoid circuit high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2736 |
PCS5 solenoid open circuit |
ON |
The ban on the work of the retarder |
|
P2738 |
PCS5 solenoid circuit low voltage |
ON |
The prohibition of work on the 1st gear, the work of the retarder, the lock of the torque converter |
|
P2739 |
PCS5 solenoid circuit high voltage |
ON |
The ban on the work of the retarder |
|
P2740 |
High oil retarder temperature |
OFF |
- |
|
P2742 |
Low signal level of the retarder oil temperature sensor |
OFF |
Uses standard oil temperature |
|
P2743 |
High signal level of the oil retarder temperature sensor |
OFF |
Uses standard oil temperature |
|
P2761 |
Open circuit solenoid lockout torque converter |
ON |
Prohibition of locking torque converter |
|
P2763 |
Low voltage in the lock-up torque converter solenoid circuit |
ON |
Prohibition of locking torque converter |
|
P2764 |
High voltage in the torque converter lock-up solenoid circuit |
ON |
Prohibition of locking torque converter |
|
P2789 |
Friction clutch wear reaches the limit value |
ON |
- |
|
P278A |
Erroneous signal Kickdown |
OFF |
Kickdown mode ban |
|
P2793 |
Communication error with gear switch |
ON |
Ignores pulse width modulation, if the signal through the CAN bus is also lost, it is blocked in the last direction selected |
|
P2808 |
Fault in the hydraulic circuit of the PCS6 solenoid |
ON |
DNS, RPR |
|
P2809 |
Fault in the hydraulic circuit of the PCS6 solenoid |
ON |
DNS, RPR |
|
P2812 |
PCS6 solenoid open circuit |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2814 |
PCS6 solenoid circuit low voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
P2815 |
PCS6 solenoid circuit high voltage |
ON |
DNS, SOL OFF, hydraulic control active |
|
U0001 |
High Speed CAN Bus Counter (IESCAN) overflow |
OFF |
Uses standard values, prohibiting the operation of the torque control system when changing gears |
|
U0010 |
CAN Bus Counter Overflow (IESCAN) |
OFF |
Uses standard values, prohibiting the operation of the torque control system when changing gears |
|
U0100 |
Loss of communication with engine / powertrain unit (J1586) |
ON |
Uses standard values |
|
U0103 |
Loss of communication with the first gear selector |
ON |
Remains in the selected gear, monitors the signal to change the direction of movement. The display goes out for 10 seconds, then shows - / - - / - |
|
U0115 |
Communication error with engine control unit |
ON |
Uses standard values, DNA |
|
U0291 |
Communication error with secondary gear selector |
ON |
Remains in the selected gear, monitors the signal to change the direction of movement. The display goes out for 10 seconds, then shows - / - - / - |
|
U0304 |
Primary gear selector not compatible with J1939 protocol |
ON |
DNS blocked in neutral |
|
U0333 |
Secondary switch not compatible with J1939 protocol |
ON |
DNS blocked in neutral |
|
U0400 |
Violation of data transmission protocol J1939 |
ON |
- |
|
U0404 |
Inadequate information from the primary gear selector |
ON |
Remains in the selected gear, monitors the signal to change the direction of movement. The display goes out for 10 seconds, then shows - / - - / - |
|
U0442 |
The control unit receives incorrect data from the engine / power unit control unit that is included in the J1939 data bus. |
OFF |
- |
|
U0592 |
Inadequate information from the secondary gear selector |
ON |
Remains in the selected gear, monitors the signal to change the direction of movement. The display goes out on 10 sec, then shows - / - - / - |
When the control unit recognizes an error of control, the corresponding error code is stored in memory. To save there are 5 memory cells, the contents of which can be read through the display switch gear. Cells have names from "d1" to "d5".
Stop the car to read the codes. Ignition must be on!
· Read on button switch: Both buttons ↑ ↓ at the same time hold - With engine running 1 time; With the engine running 2 times.
· Reading on lever switch: Press the button menu - With the engine stopped 1 time; With the engine running 2 times.
The display will show the error code stored in the "d1" field. Codes consist of a letter and a four-digit number. The code in this field will be displayed until the next field is selected with the Mode button or the reading of codes is completed.
Important note: with active codes, the lamp " Mode ON" lights up (Red LED on the mode switching button). Only active codes lead to blocking of automatic transmission functions.
End reading. To leave the diagnostic mode, select the neutral or press the "Menu" button or simultaneously two arrow keys until the display shows "N N "
In case of errors, call the service center.
Abbreviations
CAN (Controller Area Network) - Data bus Network via SAE J1939 protocol for connecting various vehicle systems.
DNA (Do Not Adapt) - Prohibition of adaptive mode automatic transmission.
DNS (Do Not Shift) - Prohibition of shifting. Automatic transmission remains on a certain gear and does not respond to commands. Torque converter is not locked.
ECM (Engine Control Module) - Engine control unit.
HSD 1, 2, ... (High Side Driver) - Power supply control valves 1, 2, ...
LRTP (Low Range Torque Protection) - Engine torque limitation on 1-3 gears.
PCS (Pressure Control Solenoid) - Pressure control solenoid.
RPR (Return to Previous Range) - Switch to the previous transfer.
SEM (Shift Energy Management) - Control system of the engine torque M during gear changes.
SOL OFF (Solenoids OFF) All solenoids are electrically disconnected. Until the engine is running, and the oil pump is spinning, movement is possible.
SS (Shift Solenoid) - Solenoid gear shift.
TID (Trans ID ) - TCM function to determine the configuration of the automatic transmission and the connected devices.
TCC - Torque converter lock -up clutch.
TCM - Transmission Control Module
Allison Transmission fault codes manuals PDF
Password: https://www.pdfmanual4trucks.com/
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Allison Transmission 1000 and 2000 Product Families Troubleshooting Manual [PDF] |
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Lautaro (Tuesday, 27 February 2024 19:26)
Buenos tardes, tengo un motor industrial con una caja alison la cual cuando llega a un determinado régimen de velocidad se corta y vuelve a arrancar desde 1ra el diagnostico desde el displey de alison solo tira falla u0100 y nose que puede llegar a ser el código tira otro código J1586
orvin walker (Monday, 20 March 2023 20:52)
I want to download a file for P0847 code
Curtis (Thursday, 23 February 2023 16:36)
Hi I’m getting a code ecu 3 fail 31 can u help
José marin (Monday, 26 September 2022 16:40)
I have an Allison transmission code d15788 info please. What does that mean??
Rassie (Thursday, 27 January 2022 01:08)
I have a army vehicle. Now it does not move if I put it in drive or reverse. What could be the broblem. It is a alison 4000 auto box