FixVault

Code P055, Closed TP Sensor Out Of Range: Action

On next ignition key cycle (key on), PCM will log Code P055 as current. No messages will be displayed.

NOTE: Test numbers refer to numbers on diagnostic chart.
  1. Checks TP sensor adjustment. PCM Data PD01, TP sensor displays incorrect TP sensor value so that it can be used to check TP sensor adjustment.
  2. TP sensor adjustment okay.
  3. If TP sensor is within range, ISC and throttle switch operation need to be checked. Check throttle linkage for proper operation, cruise control cable, proper throttle return spring operation and that throttle shaft and blades are free.