P1271 GMC Accelerator Pedal Position Sensor 1-2 Correlation

Possible causes

– Accelerator Pedal Position Sensor 1-2 harness is open or shorted
– Accelerator Pedal Position Sensor 1-2)circuit poor electrcila connection
– Faulty Accelerator Pedal Position Sensor 1-2

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)
– Possible poor acceleration

P1271 GMC OBD Code Description