Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-989A

Condition




The engine control module (ECM) has integrated control systems for detecting internal faults. The diagnostic trouble code (DTC) is stored if the engine control module (ECM) registers a fault in the internal voltage references.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute value
None.

Possible source
- Damaged engine control module (ECM).

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