what is the cause of code PCM P1122

Question

My 2002 cadillac deville is idling at 2500 rpm's at start up. I am getting a code PCM P1122. Intermittent low voltage. Could that becaused by a bad TPS or the wiring harness connector?

Answer 1

Hi there,

This code indicates an issue with the throttle position sensor. Here is a list of possible causes.

P1122 CADILLAC - Throttle Position Sensor Circuit Intermittent Low Voltage

Read more: https://www.autocodes.com/p1122_cadillac.html