Diagnostic Trouble Code (DTC) Information ECM-9970
Condition
The engine control module (ECM) continuously checks the internal RAM (random access memory) functionality. The diagnostic trouble code (DTC) is stored if there is a fault in the RAM.
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.