P0627 Fuel Pump Control System Malfunction
Possible causes
– Faulty fuel pump relay
– Fuel pump harness is open or shorted
– Fuel pump circuit poor electrical connection
– Faulty fuel pump control module (if applicable)
– Fuel pump harness is open or shorted
– Fuel pump circuit poor electrical connection
– Faulty fuel pump control module (if applicable)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P0627 Description
The Engine Control Module (ECM) has detected an open or short in the fuel pump relay circuit.