Automatic Transmission (ALLISON) DTCS
AUTOMATIC TRANSMISSION (ALLISON) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description |
|---|---|
| DTC P0218 | Transmission Fluid Overtemperature |
| DTC P0500 (6.6L)DTC P0500 (8.1L) | Vehicle Speed Sensor (VSS) Circuit |
| DTC P0561 | System Voltage Performance |
| DTC P0562 | System Voltage Low |
| DTC P0563 | System Voltage High |
| DTC P0700 | Transmission Control Module (TCM) Requested MIL Illumination |
| DTC P0701 | Transmission Control System Performance |
| DTC P0703 | Brake Switch Circuit |
| DTC P0708 (One Connector NSBU)DTC P0708 (Two Connector NSBU) | Transmission Range (TR) Switch Circuit High Voltage |
| DTC P0711 | TFT Sensor Circuit Range/Performance |
| DTC P0712 | Transmission Fluid Temperature (TFT) Sensor Circuit Low Input |
| DTC P0713 | Transmission Fluid Temperature (TFT) Sensor Circuit High Input |
| DTC P0716 | Input Speed Sensor Circuit Intermittent |
| DTC P0717 | Input Speed Sensor Circuit Low Input |
| DTC P0721 | Output Speed Sensor Performance |
| DTC P0722 | Output Speed Sensor Circuit Low Voltage |
| DTC P0726 | Engine Speed Circuit Performance |
| DTC P0727 | Engine Speed No Signal |
| DTC P0731 | Incorrect 1st Gear Ratio |
| DTC P0732 | Incorrect 2nd Gear Ratio |
| DTC P0733 | Incorrect 3rd Gear Ratio |
| DTC P0734 | Incorrect 4th Gear Ratio |
| DTC P0735 | Incorrect 5th Gear Ratio |
| DTC P0736 | Incorrect Reverse Ratio |
| DTC P0741 | TCC System Stuck Off |
| DTC P0742 | TCC System Stuck On |
| DTC P0743 | Torque Converter Clutch PWM Solenoid Circuit Electrical |
| DTC P0746 | Solenoid A Controlled Clutch Stuck Off |
| DTC P0747 | Solenoid A Controlled Clutch Stuck On |
| DTC P0748 | Pressure Control Solenoid Circuit Electrical |
| DTC P0763 | Shift Solenoid (SS) 3 Control Circuit High Voltage |
| DTC P0768 | Shift Solenoid (SS) 4 Control Circuit High Voltage |
| DTC P0773 | Torque Converter Clutch (TCC) Enable Solenoid Control Circuit |
| DTC P0776 | Solenoid B Controlled Clutch Stuck Off |
| DTC P0777 | Solenoid B Controlled Clutch Stuck On |
| DTC P0778 | Pressure Control Solenoid B Electrical |
| DTC P0836 | Transfer Case Switch Circuit |
| DTC P0840 | Transmission Pressure Switch Solenoid C Circuit |
| DTC P0841 | Pressure Switch Manifold (PSM) Switch C Circuit |
| DTC P0842 | Pressure Switch Manifold (PSM) Switch C Circuit |
| DTC P0843 | Pressure Switch Manifold (PSM) Switch C Circuit |
| DTC P0845 | Transmission Pressure Switch Solenoid D Circuit |
| DTC P0846 | Transmission Pressure Switch Solenoid D Circuit Stuck Open |
| DTC P0847 | Transmission Pressure Switch Solenoid D Circuit Stuck Closed |
| DTC P0848 | Transmission Pressure Switch Solenoid D Circuit High |
| DTC P0870 | Transmission Pressure Switch Solenoid E Circuit |
| DTC P0871 | Transmission Pressure Switch Solenoid E Circuit Stuck Open |
| DTC P0872 | Transmission Pressure Switch Solenoid E Circuit Stuck Closed |
| DTC P0873 | Transmission Pressure Switch Solenoid E Circuit High |
| DTC P0875 | Transmission Reverse Pressure Switch Circuit Malfunction |
| DTC P0876 | Transmission Reverse Pressure Switch Circuit Stuck Open |
| DTC P0880 | Transmission TCM Power Input Signal |
| DTC P1571 (8.1L) | Traction Control Torque Request Circuit |
| DTC P1688 (8.1L) | Unmanaged Engine Torque Delivered To TCM |
| DTC P1779 (8.1L) | Engine Torque Delivered To TCM Signal |
| DTC P2771 | Four Wheel Drive (4WD) Low Switch Circuit |
| DTC P2810 | G Solenoid Circuit |