Cadillac P1122: TP Sensor Circuit Intermittent Low Input

What Does The Cadillac P1122 Code Mean?

Key on or engine running; and the PCM detected an intermittent low voltage condition on the TP sensor signal circuit (less than 0.16v) for 1 second during the test.

What Are The Potential Causes Of The Cadillac P1122 Code?

• TP sensor signal circuit is shorted to ground (intermittent fault)
• TP sensor VREF circuit is open or grounded (intermittent fault)
• TP sensor is damaged or has failed (possible intermittent short)
• PCM has failed

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
>>> ACDelco Professional 213-4668 Throttle 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.