Code Enable Criteria
- Battery voltage between 7.5-15.0 volts.
- Engine is cranking/running.
DTC sets when ECM detects fuel pump relay control feedback voltage at ECM is between 2.6-4.6 volts when relay is being commanded off for more than 0.5 second.
DTC sets when ECM detects fuel pump relay control feedback voltage at ECM is between 2.6-4.6 volts when relay is being commanded off for more than 0.5 second.