Possible causes
– Faulty Fuel Pump Relay
– Fuel Pump Relay harness is open or shorted
– Fuel Pump Relay circuit poor electrical connection
– Faulty Powertrain Control Module (PCM)
– Fuel Pump Relay harness is open or shorted
– Fuel Pump Relay circuit poor electrical connection
– Faulty Powertrain Control Module (PCM)
When is the obd code mean?
The P0230 code will be set when the Powertrain Control Module (PCM) detects the fuel pump control circuit is shorted to ground.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0230 GMC OBD Code Description