Engine Temp Messages

Symptom:
ENGINE TEMP MESSAGE

Test 1:

Test 2-4:

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