P1237 Cadillac Injector Circuit Cylinder 6 Intermittent
Possible causes
– Faulty Fuel Pump Driver Module (FPDM)
– Fuel Pump Driver Module (FPDM) harness is open or shorted
– Fuel Pump Driver Module (FPDM) circuit poor electrical connection
– Faulty fuel pump
– Fuel Pump Driver Module (FPDM) harness is open or shorted
– Fuel Pump Driver Module (FPDM) circuit poor electrical connection
– Faulty fuel pump
What about the obd code?
Fuel pump driver module has detected a fault in the fuel pump secondary circuit
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
– Engine will not start
– Engine will not start
P1237 Cadillac Description
Fuel Pump Driver Modules (FPDM) controls the voltage to the Fuel Pump in order to maintain proper fuel pressure over the full operating range of the engine.
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