ECM-P063400
ECM-P063400 PCM/ECM/TCM Internal Temperature Too High
Condition
If engine control module (ECM) registers that internal temperature in engine control module (ECM) has exceeded 120 degree C for longer than 60 seconds, the diagnostic trouble code is generated.
The diagnostic trouble code can be diagnosed when the engine is running.
Substitute Value
- Engine cooling fan is activated according to predefined speed.
Possible Source
- Extreme weather conditions.
Fault Symptom[s]
- Nothing.