P1273 Cadillac Cylinder #3 High To Low Side Open
Possible causes
– Shorted injector circuit
– Faulty fuel injector
– Faulty fuel injector interface module
– Faulty fuel injector
– Faulty fuel injector interface module
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1273 Cadillac Description
A fault is detected by the fuel injector interface module in the secondary (rearward) fuel injector 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