Engine RPM Messages

Symptom:
ENGINE RPM MESSAGE

Test 1-2:

Test 3-4:

When Monitored:
Valid TPS CAN message received at least once CAN Bus Circuit, Engine CAN Message Missing and Engine CAN Message Incorrect are not active.

Set Condition:
Signal engine speed not valid or PCM/ECM error.

POSSIBLE CAUSES
- CAN BUS CIRCUIT DTC PRESENT
- ENGINE DTCS PRESENT
- ECM - ENGINE RPM MESSAGE
- TCM - ENGINE RPM MESSAGE