DTC P1221 Cadillac
TP Sensor 2 Signal Correlation
TP Sensor 2 Signal Correlation
Description
DTC P1517 and P1518 not set, key in crank or run position TP Sensor 1 (TP1) and TP Sensor 2 (TP2) more than 15% for 140 ms, and the PCM detected the TP2 signal disagreed with the TP1 signal by more than 7.5% for 1 second. The TP sensor has two separate si
Cause and Solution
TP2 sensor connector is contaminated, dirty or contains waterTP2 sensor signal, ground or VREF circuit has high resistanceTP2 sensor VREF circuit has a high resistance conditionTP2 sensor ground circuit has a high resistance conditionTP2 sensor is
Video Guide
Diagnostic Info
- DTC Code: P1221
- Brand: Cadillac