Engine CAN Messages Missing
Symptom:ENGINE CAN MESSAGE MISSING
When Monitored and Set Condition
When Monitored: CAN Bus circuit error not present, 1 second after ignition on and not in Park or Neutral, no System Overvoltage or System Undervoltage conditions present, or transmission in Park or Neutral and engine RPM greater than 850 RPM.
Set Condition: This DTC is set if a CAN ID was not received in the required time, being sent from the Engine Controller.
POSSIBLE CAUSES
- CAN BUS +/- CIRCUIT OPEN
- CAN BUS CIRCUIT DTC PRESENT
- ENGINE DTCS PRESENT
- ECM - ENGINE CAN MESSAGE MISSING
- TCM - ENGINE CAN MESSAGE MISSING
Test 1:
