P1229 Cadillac Sensor Power Supply Circuit Shorted
Possible causes
– Check harness body ground
– Faulty Accelerator Pedal Position (APP) sensor
– Faulty Power Steering Pressure (PSP) sensor
– Faulty Refrigerant Pressure sensor
– Faulty EVAP Control System Pressure sensor
– Faulty Accelerator Pedal Position (APP) sensor
– Faulty Power Steering Pressure (PSP) sensor
– Faulty Refrigerant Pressure sensor
– Faulty EVAP Control System Pressure sensor
Tech description
Start by inspecting the connections of the harness to the body grounds.
What about the obd code?
The Engine Control Module (ECM) detects a voltage of power source for sensor is excessively low or high.
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
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