Pcm Code P055 - TP Sensor Out Of Range: Action

At next key on, PCM will log PCM Code P055 as current. No diagnostic light or service message will appear.

1. Checks for TP sensor adjustment. PCM parameter PD01 displays incorrect TP sensor so it can be used to check TP sensor adjustment.
2. TP sensor adjustment is okay.
3. If TP sensor adjustment is okay, ISC and throttle switch operation need to be thoroughly checked. Throttle linkage needs to be checked for proper operation. Check throttle and cruise cables, ensure throttle valves are not binding, check for proper throttle return spring operation and ensure throttle shaft and blades move freely.