Diagnostic Trouble Code (DTC) Information

ECM-P066800 PCM/ECM/TCM Internal Temperature Sensor Circuit Low

Condition







If engine control module (ECM) registers malfunction on temperature sensor's circuit internally in control module, the diagnostic trouble code is generated.

The diagnostic trouble code can be diagnosed with the ignition on.

Substitute Value
- Engine cooling fan is activated according to predefined speed.
- Temperature assumed to be 60 degree C.

Possible Source
- Damaged engine control module (ECM).

Fault Symptom[s]
- Nothing.