Diagnostic Trouble Code (DTC) Information

ECM-902A COMMUNICATION CONTROL MODULE, COMMUNICATION PROBLEMS
DIAGNOSTIC TROUBLE CODE (DTC) INFORMATION




Condition
Diagnostic trouble code (DTC) ECM-902A is stored in the engine control module (ECM) if the throttle unit registers a fault in communication between the engine control module (ECM) and the throttle unit.

Condition
- Cruise control switched off.
- Fuel shut-off system which follows accelerator pedal (AP) position.
- Throttle closure when braking.

Possible source
- Defective throttle unit.

Condition
- ETS warning lamp lit.
- Cruise control does not function at all.
- The engine judders under acceleration.
- The engine judders heavily after engine braking.
- Uneven idle.