P0627 Cadillac 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 Cadillac Description
The Engine Control Module (ECM) has detected an open or short in the fuel pump relay circuit.
Cadillac Vehicle:Cadillac CTS Coupe, Cadillac CTS-V Coupe , Cadillac Eldorado , Cadillac Escalade EXT , Cadillac ATS , Cadillac CTS , Cadillac CTS Sedan , Cadillac CTS Sport Sedan , Cadillac CTS-V , Cadillac CTS-V Sedan , Cadillac Catera , Cadillac DTS , Cadillac DeVille , Cadillac STS-V , Cadillac STS , Cadillac Seville , Cadillac XTS , Cadillac XLR , Cadillac XLR Platinum , Cadillac Escalade , Cadillac SRX