From Ross-Tech Wiki

17953/P1545/005445 - Throttle Valve Controller: Malfunction

Possible Symptoms

  • Increased Idle Speed
  • Bucking at Load Change

Possible Causes

  • Throttle Body dirty
  • Throttle Body Wiring faulty
  • Throttle Body faulty
  • Obstructions in intake air passages

Possible Solutions

  • Clean Throttle Body
  • Check Throttle Body Wiring
  • Check Throttle Body
  • Check for any obstructions in the intake air path. Including but not limited to the air box inlet, air filter, hoses to/from the MAF and intake manifold in addition to turbocharger (or similar) components when applicable.

Special Notes