P2135 Diagnostic Trouble Code Discussion for March 2015
Throttle Position Sensor 1-2 Correlation
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| Help Request | Posted | |
| 2003 Cadillac CTS 3.2L Surge, MIL Lamp on, Extremely High Idle VIN: 1G6DM57N13 P2135: Throttle Position Sensor 1-2 Correlation Error. Vehicle was brought in with an extremely high idle that was surging at times (2000-3000 RPM) when in park. Cleared the codes from both the engine and trans modules. After about ten maybe 15 minutes the idle settled down to a normal level and was no longer surg... |
March 19, 2015 |
