Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-950C

Condition




If Engine Control Module (ECM) registers that the actual idle rpm (actual value) is over the limit value for a certain time, the diagnostic trouble code (DTC) is generated.

Substitute value
- None.

Possible source
- Air leakage in the intake system.

Fault symptom[s]
- Malfunction indicator light (MIL), on
- High idle speed
- Uneven idle