Transmission Codes
651 OBD-II diagnostic trouble codes in this category.
Showing page 2 of 7 (651 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P0799 | Pressure Control Solenoid C Intermittent | Pressure Control | Medium |
| P07E2 | Incorrect Shift from Gear 7 | Transmission Control | Medium |
| P07E3 | Incorrect Shift from Gear 8 | Transmission Control | Medium |
| P07E8 | Transmission Range Control A Circuit/Open | Transmission Control | Medium |
| P07E9 | Transmission Range Control A Circuit Performance | Transmission Control | Medium |
| P0800 | Transfer Case Control System | Transfer Case | High |
| P0801 | Reverse Inhibit Control Circuit/Open | Shift Control | Medium |
| P0802 | Transmission Control System MIL Request Circuit/Open | TCM Communication | Medium |
| P0803 | 1-4 Upshift Skip Shift Solenoid Control Circuit | Skip Shift | Low |
| P0804 | 1-4 Upshift Skip Shift Lamp Control Circuit | Skip Shift | Low |
| P0805 | Clutch Position Sensor Circuit | Clutch Sensor | Medium |
| P0806 | Clutch Position Sensor Circuit Range/Performance | Clutch Sensor | Medium |
| P0807 | Clutch Position Sensor Circuit Low | Clutch Sensor | Medium |
| P0808 | Clutch Position Sensor Circuit High | Clutch Sensor | Medium |
| P0809 | Clutch Position Sensor A Circuit Intermittent | Clutch | Medium |
| P0810 | Clutch Position Control Error | Clutch Control | High |
| P0811 | Excessive Clutch Slippage | Clutch | High |
| P0812 | Reverse Input Circuit | Transmission Control | Medium |
| P0813 | Reverse Output Circuit | Transmission Control | Medium |
| P0814 | Transmission Range Display Circuit | Transmission Control | Medium |
| P0815 | Upshift Switch Circuit | Shift Control | Medium |
| P0816 | Downshift Switch Circuit | Shift Control | Medium |
| P0817 | Starter Disable Circuit/Open | Transmission Control | Medium |
| P0818 | Driveline Disconnect Switch Input Circuit | Transmission Control | Medium |
| P0819 | Up and Down Shift Switch to Transmission Range Correlation | Transmission Control | Medium |
| P0820 | Gear Lever X-Y Position Sensor Circuit | Position Sensor | Medium |
| P0821 | Gear Lever X Position Sensor 1 Circuit | Transmission Control | Medium |
| P0822 | Gear Lever Y Position Sensor 1 Circuit | Transmission Control | Medium |
| P0823 | Gear Lever X Position Sensor 1 Circuit Intermittent/Erratic | Transmission Control | Medium |
| P0824 | Gear Lever Y Position Sensor 1 Circuit Intermittent/Erratic | Transmission Control | Medium |
| P0825 | Gear Lever Push-Pull Switch (Shift Anticipate) | Transmission Control | Medium |
| P0826 | Up and Down Shift Switch Circuit | Shift Control | Low |
| P0827 | Up and Down Shift Switch Circuit Low | Transmission Control | Medium |
| P0828 | Up and Down Shift Switch Circuit High | Transmission Control | Medium |
| P0829 | 5-6 Shift | Transmission Control | Medium |
| P0830 | Clutch Pedal Switch A Circuit | Clutch Switch | Medium |
| P0831 | Clutch Pedal Switch A Circuit Low | Clutch | Medium |
| P0832 | Clutch Pedal Switch A Circuit High | Clutch | Medium |
| P0833 | Clutch Pedal Switch B Circuit | Clutch | Medium |
| P0834 | Clutch Pedal Switch B Circuit Low | Clutch | Medium |
| P0835 | Clutch Pedal Switch B Circuit High | Clutch | Medium |
| P0836 | Four Wheel Drive (4WD) Switch Circuit | Transmission Control | Medium |
| P0837 | Four Wheel Drive (4WD) Switch Circuit Range/Performance | Transmission Control | Medium |
| P0838 | Four Wheel Drive (4WD) Switch Circuit Low | Transmission Control | Medium |
| P0839 | Four Wheel Drive (4WD) Switch Circuit High | Transmission Control | Medium |
| P0840 | Transmission Fluid Pressure Sensor/Switch A Circuit | Pressure Sensor | Medium |
| P0841 | Transmission Fluid Pressure Sensor/Switch A Circuit Range/Performance | Pressure Sensor | Medium |
| P0842 | Transmission Fluid Pressure Sensor/Switch A Circuit Low | Pressure Sensor | Medium |
| P0843 | Transmission Fluid Pressure Sensor/Switch A Circuit High | Pressure Sensor | Medium |
| P0844 | Transmission Fluid Pressure Sensor/Switch A Circuit Intermittent | Pressure Control | High |
| P0845 | Transmission Fluid Pressure Sensor/Switch B Circuit | Pressure Sensor | Medium |
| P0846 | Transmission Fluid Pressure Sensor/Switch B Circuit Range/Performance | Pressure Sensor | Medium |
| P0847 | Transmission Fluid Pressure Sensor/Switch B Circuit Low | Pressure Sensor | Medium |
| P0848 | Transmission Fluid Pressure Sensor/Switch B Circuit High | Pressure Sensor | Medium |
| P0849 | Transmission Fluid Pressure Sensor/Switch B Circuit Intermittent | Pressure Control | High |
| P0850 | Park/Neutral Position Switch Input Circuit | Position Switch | High |
| P0851 | Park/Neutral Switch Input Circuit Low | Transmission Control | Medium |
| P0852 | Park/Neutral Switch Input Circuit High | Transmission Control | Medium |
| P0853 | Drive Switch Input Circuit | Transmission Control | Medium |
| P0854 | Drive Switch Input Circuit Low | Transmission Control | Medium |
| P0855 | Drive Switch Input Circuit High | Transmission Control | Medium |
| P0857 | Traction Control Input Signal Range/Performance | Transmission Control | Medium |
| P0858 | Traction Control Input Signal Low | Transmission Control | Medium |
| P0859 | Traction Control Input Signal High | Transmission Control | Medium |
| P0860 | Gear Shift Module Communication Circuit | Shift Module | High |
| P0861 | Gear Shift Control Module A Communication Circuit Low | Transmission Control | Medium |
| P0862 | Gear Shift Control Module A Communication Circuit High | Transmission Control | Medium |
| P0863 | TCM Communication Circuit | Transmission Control | Medium |
| P0864 | TCM Communication Circuit Range/Performance | Transmission Control | Medium |
| P0865 | TCM Communication Circuit Low | Transmission Control | Medium |
| P0866 | TCM Communication Circuit High | Transmission Control | Medium |
| P0867 | Transmission Fluid Pressure | Pressure Control | High |
| P0868 | Transmission Fluid Pressure Low | Fluid Pressure | Critical |
| P0869 | Transmission Fluid Pressure High | Fluid Pressure | High |
| P0870 | Transmission Fluid Pressure Sensor/Switch C Circuit | Pressure Sensor | Medium |
| P0871 | Transmission Fluid Pressure Sensor/Switch C Circuit Range/Performance | Pressure Sensor | Medium |
| P0872 | Transmission Fluid Pressure Sensor/Switch C Circuit Low | Pressure Sensor | Medium |
| P0873 | Transmission Fluid Pressure Sensor/Switch C Circuit High | Pressure Sensor | Medium |
| P0874 | Transmission Fluid Pressure Sensor/Switch C Circuit Intermittent | Pressure Control | High |
| P0875 | Transmission Fluid Pressure Sensor/Switch D Circuit | Pressure Control | High |
| P0876 | Transmission Fluid Pressure Sensor/Switch D Circuit Range/Performance | Pressure Control | High |
| P0877 | Transmission Fluid Pressure Sensor/Switch D Circuit Low | Pressure Control | High |
| P0878 | Transmission Fluid Pressure Sensor/Switch D Circuit High | Pressure Control | High |
| P0879 | Transmission Fluid Pressure Sensor/Switch D Circuit Intermittent | Pressure Control | High |
| P0880 | TCM Power Input Signal | TCM Power | Critical |
| P0881 | TCM Power Input Signal Range/Performance | TCM Power | High |
| P0882 | TCM Power Input Signal Low | TCM Power | High |
| P0883 | TCM Power Input Signal High | TCM Power | High |
| P0884 | TCM Power Input Signal Intermittent | TCM Power | Medium |
| P0885 | TCM Power Relay Control Circuit/Open | Transmission Control | Medium |
| P0886 | TCM Power Relay Control Circuit Low | Transmission Control | Medium |
| P0887 | TCM Power Relay Control Circuit High | Transmission Control | Medium |
| P0888 | TCM Power Relay Sense Circuit | Transmission Control | Medium |
| P0889 | TCM Power Relay Sense Circuit Range/Performance | Transmission Control | Medium |
| P0890 | TCM Switched Power Circuit | TCM Power | High |
| P0891 | TCM Power Relay Sense Circuit High | Transmission Control | Medium |
| P0892 | TCM Power Relay Sense Circuit Intermittent | Transmission Control | Medium |
| P0893 | Multiple Gears Engaged | Transmission Control | Medium |
| P0894 | Transmission Component Slipping | Clutch Pack | High |
| P0895 | Shift Time Too Short | Transmission Control | Medium |
About Transmission Codes
This page lists all 651 OBD-II diagnostic trouble codes classified under the Transmission category. These codes are stored by your vehicle's onboard computer when a sensor detects a malfunction in the transmission system. Each code begins with a letter indicating the system (P for Powertrain, B for Body, C for Chassis, U for Network) followed by four digits that identify the specific fault.
When your check engine light comes on, an OBD-II scanner reads these stored codes to help pinpoint the problem. Generic codes (where the second digit is 0) follow the SAE J2012 standard and mean the same thing on every vehicle. Manufacturer-specific codes (where the second digit is 1) may have different meanings depending on the vehicle brand.
Click any code in the table above to see its full description, possible causes, common symptoms, and step-by-step repair guidance. Use the search box to quickly find a specific code within this category.