Diagnostic Trouble Code (DTC) Information ECM-6600
Condition
The engine control module (ECM) checks the signal cable for the starter motor relay coil.
The diagnostic trouble code (DTC) is stored if the control module detects that:
- Open circuit on signal cable.
The diagnostic trouble code (DTC) can be diagnosed when:
- Ignition on before start attempt.
Substitute Value
- None.
Possible Source
- Open circuit on signal cable.
Fault symptom[s]
- The starter motor does not turn