Possible Causes
- Electrical Cause
- Yes
- Mechanical Cause
- No
- Purpose of the DTC
- To diagnose a failure in the communications between the ignition control module and the main CPU (Internal to the powertrain control module)
- Prioritized List of Possible Causes
- Other ignition coil related DTCs
- Powertrain control module power and ground circuits open circuit
- Powertrain control module failure