Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-9980

Condition




The engine control module (ECM) continuously checks the internal ROM (read only memory) functionality. The diagnostic trouble code (DTC) is stored if there is a fault in the ROM.
The diagnostic trouble code (DTC) can be diagnosed when the ignition is switched on.

Substitute value
- The engine control module (ECM) attempts to reset itself.

Possible source
- Faulty software in the engine control module (ECM)
- Damaged engine control module (ECM).

Fault symptom[s]
- Malfunction indicator lamp (MIL) lit
- The malfunction indicator lamp (MIL) flashes
- The engine cuts out
- The starter motor turns but the engine does not start.