Engine Temp Messages
Symptom:ENGINE TEMP MESSAGE
When Monitored and Set Condition
When Monitored: Valid Engine Temp CAN message received at least once and CAN Bus Circuit error, Engine CAN Message Missing and Engine CAN Messages Incorrect are not active.
Set Condition: Engine coolant temperature signal is not valid - indicates possible coolant temperature sensor error.
POSSIBLE CAUSES
- CAN BUS CIRCUIT DTC PRESENT
- ENGINE DTCS PRESENT
- ECM- ENGINE TEMP MESSAGE
- TCM - ENGINE TEMP MESSAGE
Test 1:
