OBD Guide

P1225

Closed Throttle Position Learning Performance Problem

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
~$56 (est.)

Symptoms

  • Unstable idle
  • Dips during acceleration
  • Check Engine Light Illuminates
  • Increased fuel consumption
  • Transient Problems

Causes

  • Throttle learning procedure not completed
  • Throttle Position Sensor Malfunction
  • Problems with wiring to the throttle body
  • Mechanical damage to the throttle assembly
  • Problems with power supply or grounding of the inductor assembly

How to Fix

  1. Perform the throttle learning procedure according to the manual.
  2. Check the condition of the throttle position sensor
  3. Inspect the wiring harness and throttle body connectors
  4. Check the mechanical condition of the throttle valve
  5. Check the supply voltage and ground of the throttle assembly

Related codes

Error P1225 by Vehicle Brand