Diagnostic Trouble Code (DTC) Information

Diagnostic trouble code (DTC) information ECM-820D

Condition




The engine control module (ECM) checks the power supply from the system relay.
The diagnostic trouble code (DTC) is stored if the engine control module (ECM) detects that the voltage from the system relay is lower than a certain value.
The diagnostic trouble code (DTC) can be diagnosed at ignition on or when the engine is running.

Substitute value
- None.

Possible source
- Faulty charging system
- Damaged battery.

Fault symptom[s]
- Starting/Engine stalls
- Driving/Engine stalls/Unsure when/at all times
- Starting/Engine does not start/Unsure when/at all times