P1820
Symptom: CHECK GEARBOX warning lamp is on. TCM in Limp-Home mode.
P1820 |
Accelerator Pedal Position. Error message from ECM
Fault symptoms
CHECK GEARBOX warning lamp is on.TCM in Limp-Home mode.
Conditions
Engine running.
Fault criteria
TCM receives information on the current accelerator pedal position on the bus from ECM. If ECM sends a message saying this information is incorrect, DTC P1820 will be generated.Diagnostic help
This diagnostic trouble code indicates a fault in the ECM. Refer to fault diagnosis for the engine management system in question.