Live Manual
Engine Error

P2111

Throttle Actuator Control System - Stuck Open

Severity
High

Symptoms

High idle, surging, brakes feel hard to press (low vacuum)

Common Causes

  • Throttle plate physically jammed open by debris
  • Heavy carbon buildup holding plate
  • Broken return spring inside throttle body
  • Failed TAC motor

How to Fix

  1. 1 Remove debris from intake
  2. 2 Clean the throttle body
  3. 3 Replace the throttle body assembly
  4. 4 Reset PCM after cleaning
Estimated Repair Cost USD
$50 $600

Cleaning: $80; Throttle body: $300 - $600