Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-951C

Condition




The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers that the actual idle speed deviates from the predefined parameters.

Substitute value
- None.

Possible source
- Search the fault cause in the air supply and fuel system (air leakage, blockages, etc.).

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- High idling speed.