Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information

Condition
Diagnostic trouble code (DTC) ECM-7F is stored if the malfunction indicator lamp (MIL) circuit is short-circuited to ground / voltage or if there is an open-circuit in the circuit the control module has interpreted as a fault.

Substitute value
None.

Possible source

Signal too high:
- Short-circuit to supply voltage in the signal cable.

Signal too low:
- Short-circuit to ground in the signal cable.

Signal missing:
- Open-circuit in the signal cable
- Damaged MIL lamp.

Fault symptom[s]
- None.