Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-801C

Condition




The engine control module (ECM) checks the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage on the signal cable for the system relay is higher than a certain value.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute value
- None.

Possible source
- Short-circuit to supply voltage in the signal cable
- Damaged system relay.

Fault symptom[s]
- The engine does not start.