Cadillac P1280: Accelerator Pedal Position Sensor 2 Circuit Malfunction

What Does The Cadillac P1280 Code Mean?

DTC P0601, P0602, P0606, P1517 and P1518 not set, key in crank or run position, system voltage over 5.23v, and the PCM detected the TP2 signal was less than 0.83v, or it was more than 4.81v for 1 second during the test.

What Are The Potential Causes Of The Cadillac P1280 Code?

Below are some potential causes of this DTC:

• APP2 sensor connector is contaminated, oily or contains water
• APP2 sensor signal, ground or VREF circuit high resistance
• APP2 sensor VREF circuit is open, shorted to ground or to B+
• APP2 sensor signal or ground circuit has high resistance

Recommended Parts

Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:

>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> Replacement APPS - Acceleration Pedal Position Sensor

Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!

Reference Sources

GM, 2013, Service Bullettin – Prior To Any Circuit Testing.