Transmission Codes
651 OBD-II diagnostic trouble codes in this category.
Showing page 3 of 7 (651 codes total)
| Code | Description | Subsystem | Severity |
|---|---|---|---|
| P0896 | Shift Time Too Long | Transmission Control | Medium |
| P0897 | Transmission Fluid Deteriorated | Transmission Fluid | Medium |
| P0898 | Transmission Control System MIL Request Circuit Low | Transmission Control | Medium |
| P0899 | Transmission Control System MIL Request Circuit High | Transmission Control | Medium |
| P08E2 | Shift Solenoid L Intermittent | Shift Solenoid | High |
| P08E3 | Shift Solenoid L Control Circuit Range/Performance | Transmission Control | Medium |
| P08E4 | Shift Solenoid L Control Circuit Low | Transmission Control | Medium |
| P08E5 | Shift Solenoid L Control Circuit High | Transmission Control | Medium |
| P08E6 | Shift Solenoid L Control Circuit/Open | Transmission Control | Medium |
| P0900 | Clutch A Actuator Control Circuit/Open | Clutch | Medium |
| P0901 | Clutch A Actuator Control Circuit Range/Performance | Clutch | Medium |
| P0902 | Clutch A Actuator Control Circuit Low | Clutch | Medium |
| P0903 | Clutch A Actuator Control Circuit High | Clutch | Medium |
| P0904 | Gate Select Position Circuit A | Transmission Control | Medium |
| P0905 | Gate Select Position Circuit A Range/Performance | Transmission Control | Medium |
| P0906 | Gate Select Position Circuit A Low | Transmission Control | Medium |
| P0907 | Gate Select Position Circuit A High | Transmission Control | Medium |
| P0908 | Gate Select Position Circuit A Intermittent | Transmission Control | Medium |
| P0909 | Gate Select Control Error | Transmission Control | Medium |
| P0910 | Gate Select Actuator Circuit/Open | Transmission Control | Medium |
| P0911 | Gate Select Actuator Circuit Range/Performance | Transmission Control | Medium |
| P0912 | Gate Select Actuator Circuit Low | Transmission Control | Medium |
| P0913 | Gate Select Actuator Circuit High | Transmission Control | Medium |
| P0914 | Gear Shift Position Circuit A | Transmission Control | Medium |
| P0915 | Gear Shift Position Circuit A Range/Performance | Transmission Control | Medium |
| P0916 | Gear Shift Position Circuit A Low | Transmission Control | Medium |
| P0917 | Gear Shift Position Circuit A High | Transmission Control | Medium |
| P0918 | Gear Shift Position Circuit A Intermittent | Transmission Control | Medium |
| P0919 | Gear Shift Position Control Error | Transmission Control | Medium |
| P0920 | Gear Shift Forward Actuator Circuit/Open | Transmission Control | Medium |
| P0921 | Gear Shift Forward Actuator Circuit Range/Performance | Transmission Control | Medium |
| P0922 | Gear Shift Forward Actuator Circuit Low | Transmission Control | Medium |
| P0923 | Gear Shift Forward Actuator Circuit High | Transmission Control | Medium |
| P0924 | Gear Shift Reverse Actuator Circuit/Open | Transmission Control | Medium |
| P0925 | Gear Shift Reverse Actuator Circuit Range/Performance | Transmission Control | Medium |
| P0926 | Gear Shift Reverse Actuator Circuit Low | Transmission Control | Medium |
| P0927 | Gear Shift Reverse Actuator Circuit High | Transmission Control | Medium |
| P0928 | Gear Shift Lock Solenoid/Actuator Control Circuit A/Open | Transmission Control | Medium |
| P0929 | Gear Shift Lock Solenoid/Actuator Control Circuit A Range/Performance | Transmission Control | Medium |
| P0930 | Gear Shift Lock Solenoid/Actuator Control Circuit A Low | Transmission Control | Medium |
| P0931 | Gear Shift Lock Solenoid/Actuator Control Circuit A High | Transmission Control | Medium |
| P0932 | Hydraulic Pressure Sensor Circuit | Pressure Control | High |
| P0933 | Hydraulic Pressure Sensor Range/Performance | Pressure Control | High |
| P0934 | Hydraulic Pressure Sensor Circuit Low | Pressure Control | High |
| P0935 | Hydraulic Pressure Sensor Circuit High | Pressure Control | High |
| P0936 | Hydraulic Pressure Sensor Circuit Intermittent | Pressure Control | High |
| P0937 | Hydraulic Oil Temperature Sensor Circuit | Transmission Control | Medium |
| P0938 | Hydraulic Oil Temperature Sensor Range/Performance | Transmission Control | Medium |
| P0939 | Hydraulic Oil Temperature Sensor Circuit Low | Transmission Control | Medium |
| P0940 | Hydraulic Oil Temperature Sensor Circuit High | Transmission Control | Medium |
| P0941 | Hydraulic Oil Temperature Sensor Circuit Intermittent | Transmission Control | Medium |
| P0942 | Hydraulic Pressure Unit | Pressure Control | High |
| P0943 | Hydraulic Pressure Unit Cycling Period Too Short | Pressure Control | High |
| P0944 | Hydraulic Pressure Unit Loss of Pressure | Pressure Control | High |
| P0945 | Hydraulic Pump Relay/Control Circuit/Open | Transmission Control | Medium |
| P0946 | Hydraulic Pump Relay/Control Circuit Range/Performance | Transmission Control | Medium |
| P0947 | Hydraulic Pump Relay/Control Circuit Low | Transmission Control | Medium |
| P0948 | Hydraulic Pump Relay/Control Circuit High | Transmission Control | Medium |
| P0949 | Auto Shift Manual Adaptive Learning Not Complete | Transmission Control | Medium |
| P0950 | Auto Shift Manual Control Circuit | Transmission Control | Medium |
| P0951 | Auto Shift Manual Control Circuit Range/Performance | Transmission Control | Medium |
| P0952 | Auto Shift Manual Control Circuit Low | Transmission Control | Medium |
| P0953 | Auto Shift Manual Control Circuit High | Transmission Control | Medium |
| P0954 | Auto Shift Manual Control Circuit Intermittent | Transmission Control | Medium |
| P0955 | Auto Shift Manual Mode Circuit | Transmission Control | Medium |
| P0956 | Auto Shift Manual Mode Circuit Range/Performance | Transmission Control | Medium |
| P0957 | Auto Shift Manual Mode Circuit Low | Transmission Control | Medium |
| P0958 | Auto Shift Manual Mode Circuit High | Transmission Control | Medium |
| P0959 | Auto Shift Manual Mode Circuit Intermittent | Transmission Control | Medium |
| P0960 | Pressure Control Solenoid A Control Circuit/Open | Pressure Control | High |
| P0961 | Pressure Control Solenoid A Control Circuit Range/Performance | Pressure Control | High |
| P0962 | Pressure Control Solenoid A Control Circuit Low | Pressure Control | High |
| P0963 | Pressure Control Solenoid A Control Circuit High | Pressure Control | High |
| P0964 | Pressure Control Solenoid B Control Circuit/Open | Pressure Control | High |
| P0965 | Pressure Control Solenoid B Control Circuit Range/Performance | Pressure Control | High |
| P0966 | Pressure Control Solenoid B Control Circuit Low | Pressure Control | High |
| P0967 | Pressure Control Solenoid B Control Circuit High | Pressure Control | High |
| P0968 | Pressure Control Solenoid C Control Circuit/Open | Pressure Control | High |
| P0969 | Pressure Control Solenoid C Control Circuit Range/Performance | Pressure Control | High |
| P0970 | Pressure Control Solenoid C Control Circuit Low | Pressure Control | High |
| P0971 | Pressure Control Solenoid C Control Circuit High | Pressure Control | High |
| P0972 | Shift Solenoid A Control Circuit Range/Performance | Shift Solenoid | High |
| P0973 | Shift Solenoid A Control Circuit Low | Shift Solenoid | High |
| P0974 | Shift Solenoid A Control Circuit High | Shift Solenoid | High |
| P0975 | Shift Solenoid B Control Circuit Range/Performance | Shift Solenoid | High |
| P0976 | Shift Solenoid B Control Circuit Low | Shift Solenoid | High |
| P0977 | Shift Solenoid B Control Circuit High | Shift Solenoid | High |
| P0978 | Shift Solenoid C Control Circuit Range/Performance | Shift Solenoid | High |
| P0979 | Shift Solenoid C Control Circuit Low | Shift Solenoid | High |
| P0980 | Shift Solenoid C Control Circuit High | Shift Solenoid | High |
| P0981 | Shift Solenoid D Control Circuit Range/Performance | Shift Solenoid | High |
| P0982 | Shift Solenoid D Control Circuit Low | Shift Solenoid | High |
| P0983 | Shift Solenoid D Control Circuit High | Shift Solenoid | High |
| P0984 | Shift Solenoid E Control Circuit Range/Performance | Shift Solenoid | High |
| P0985 | Shift Solenoid E Control Circuit Low | Shift Solenoid | High |
| P0986 | Shift Solenoid E Control Circuit High | Shift Solenoid | High |
| P0987 | Transmission Fluid Pressure Sensor/Switch E Circuit | Pressure Control | High |
| P0988 | Transmission Fluid Pressure Sensor/Switch E Circuit Range/Performance | Pressure Control | High |
| P0989 | Transmission Fluid Pressure Sensor/Switch E Circuit Low | Pressure Control | High |
| P0990 | Transmission Fluid Pressure Sensor/Switch E Circuit High | Pressure Control | High |
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.