All OBD2 Diagnostic Codes
Browse our complete database of 16000 diagnostic trouble codes.
P0800: Transmission Control System Malfunction
The P0800 code indicates a malfunction in the transmission control system, which can cause issues with gear shifting, transmission slipping, or hesitation.
P0801: Transmission Control Module (TCM) Performance Problem
The TCM has detected a performance problem, such as a malfunctioning transmission solenoid or a faulty transmission sensor, which is affecting the transmission's ability to function properly.
P0802: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0803: Transmission Control Module (TCM) Range/Performance Issue
The TCM has detected an issue with the transmission's range and performance, which can cause problems with gear shifting, hesitation, or slipping.
P0804: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0805: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0806: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0807: Transmission Control Module (TCM) Range/Performance Issue
The TCM has detected a range or performance issue with the transmission, which can cause problems with shifting, hesitation, or slipping.
P0808: Transmission Control Module (TCM) Range/Performance Issue
The TCM has detected an issue with the transmission's range and performance, possibly due to a faulty sensor, faulty transmission solenoid, or a problem with the transmission's internal components.
P0809: Transmission Control Module (TCM) Range/Performance Issue
The TCM has detected an issue with the transmission's range and performance, which can cause problems with gear shifting, hesitation, or slipping.
P0810: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, transmission slipping, or hesitation.
P0811: Transmission Control Module (TCM) Range/Performance Issue
The Transmission Control Module (TCM) has detected an issue with the transmission's range or performance, which may cause the transmission to malfunction or not shift properly.
P0812: Transmission Control Module (TCM) Internal Fault
The Transmission Control Module (TCM) has detected an internal fault, which may be related to a faulty sensor, actuator, or internal circuit.
P0813: Transmission Control Module (TCM) Internal Fault
The Transmission Control Module (TCM) has detected an internal fault, which may be causing transmission problems or errors.
P0814: Transmission Control Module (TCM) Range/Performance Issue
The Transmission Control Module (TCM) has detected an issue with its range and performance, which may cause transmission problems.
P0815: Transmission Control Module (TCM) Internal Fault
The Transmission Control Module (TCM) has detected an internal fault, which may be causing transmission problems or errors.
P0816: Transmission Control Module (TCM) Range/Performance Issue
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0817: Transmission Range Sensor Circuit Malfunction
The transmission range sensor circuit has malfunctioned, preventing the transmission from shifting properly.
P0818: Transmission Range Sensor Circuit Malfunction
The transmission range sensor circuit has malfunctioned, preventing the transmission from shifting properly. This can cause the vehicle to hesitate or stall when shifting gears.
P0819: Transmission Control Module (TCM) Internal Fault
The Transmission Control Module (TCM) has detected an internal fault, which may be causing transmission problems or errors.
P0820: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which can cause issues with gear shifting and transmission operation.
P0821: Transmission Control Module (TCM) Internal Fault
The Transmission Control Module (TCM) has detected an internal fault, which may be causing transmission problems.
P0822: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0823: Transmission Control Module (TCM) Internal Fault
The Transmission Control Module (TCM) has detected an internal fault, which may be causing transmission problems or errors.
P0824: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0825: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which may be caused by a faulty sensor, faulty transmission solenoid, or a problem with the transmission's internal components.
P0826: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0827: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, transmission slipping, or hesitation.
P0828: Transmission Control Module (TCM) Internal Fault
The Transmission Control Module (TCM) has detected an internal fault, which may be causing transmission problems.
P0829: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, hesitation, or slipping.
P0830: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with its range and performance, indicating a malfunction in the transmission's ability to shift gears or maintain a consistent speed.
P0831: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which can cause issues with shifting gears, hesitation, or slipping.
P0832: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, transmission slipping, or hesitation.
P0833: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with its range and performance, which may be caused by a faulty sensor, wiring issue, or software problem.
P0834: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with its range or performance, which can cause issues with the transmission's ability to shift gears properly.
P0835: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with its internal range and performance calculations, which can cause issues with transmission shifting and performance.
P0836: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, transmission slipping, or hesitation.
P0837: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with its internal range and performance calculations, which can cause issues with transmission shifting and performance.
P0838: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, transmission slipping, or hesitation.
P0839: Transmission Control Module (TCM) Range/Performance Problem
The Transmission Control Module (TCM) has detected a problem with the transmission's range and performance, which may cause the transmission to malfunction or not shift properly.
P0840: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting and transmission operation.
P0841: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, possibly due to a faulty sensor or faulty transmission control module.
P0842: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, possibly due to a faulty sensor or faulty transmission control module.
P0843: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting, transmission slipping, or hesitation.
P0844: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, possibly due to a faulty sensor or faulty transmission control module.
P0845: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's ability to shift gears properly, possibly due to a faulty sensor or wiring issue.
P0846: Transmission Control Module (TCM) Range/Performance Issue
The Transmission Control Module (TCM) has detected an issue with the transmission's range and performance, indicating a problem with the transmission's ability to shift gears properly.
P0847: Transmission Control Module (TCM) Range/Performance Problem
The TCM has detected a problem with the transmission's range and performance, which can cause issues with gear shifting and transmission operation.
P0848: Transmission Control Module (TCM) Range/Performance Issue
The Transmission Control Module (TCM) has detected an issue with the transmission's range or performance, which can cause the transmission to malfunction or not shift properly.
P0849: Transmission Control Module (TCM) Range/Performance Issue
The Transmission Control Module (TCM) has detected an issue with the transmission's range and performance, potentially causing problems with gear shifting and transmission function.