P1128 Cadillac Throttle Control Motor Circuit Short
Possible causes
– Faulty Throttle Control Motor
– Throttle Control Motor harness is open or shorted
– Throttle Control Motor circuit poor electrical connection
– Throttle Control Motor harness is open or shorted
– Throttle Control Motor circuit poor electrical connection
What about the obd code?
Engine Control Module (ECM) detects short both circuits between ECM and throttle control motor.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1128 Cadillac Description
The throttle control motor is operated by the Engine Control Module (ECM) and it opens and closes the throttle valve.
The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feedback to the ECM to control the throttle control motor to make the throttle valve opening angle properly in response to driving condition.
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