Possible causes – ECM Harness power supply circuit is open or shorted – ECM Harness ground supply circuit is open or shorted – ECM may be faulty When is the code detected? ECM back-up RAM system does not function properly.
Possible causes – ECM Harness power supply circuit is open or shorted– ECM Harness ground supply circuit is open or shorted– ECM may be faulty When is the code detected? ECM back-up RAM system does not function properly. Symptoms Engine
Possible causes – ECM Harness power supply circuit is open or shorted– ECM Harness ground supply circuit is open or shorted– ECM may be faulty When is the code detected? ECM back-up RAM system does not function properly. Symptoms Engine