P2135 Diagnostic Trouble Code Discussion for August 2021
Throttle Position Sensor 1-2 Correlation
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| Help Request | Posted | |
| 2007 Pontiac Grand Prix 3.8L MIL Lamp on VIN: 2G2WP552X7 P2135: Throttle Position Sensor 1-2 Correlation Error. This Grand Prix will set a P2138 APP 1+2 correlation code. It will run fine for a couple of days set the code then go into limp mode. Throttle module, APP and ECM have been replaced. Here's the confusing part. If you tap into the APP2 sensor wire it reads ... |
August 20, 2021 |
