U0466 critical

Invalid Data Received From Throttle Actuator Module

The U0466 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Throttle Actuator Module. This is a critical severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$200 - $800 (parts and labor)
Diagnose CAN Bus Issues
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Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.

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Common Symptoms

  • Reduced engine power warning
  • Throttle not responding properly
  • Engine idle fluctuating
  • Limp mode activated
  • Accelerator pedal feel inconsistent

Probable Causes (Ranked by Likelihood)

  • Failed electronic throttle body Very High
  • Throttle position sensor bad data High
  • CAN bus error at throttle module Moderate
  • Accelerator pedal sensor drift Low

Step-by-Step Diagnostic Procedure

  1. Scan throttle module for codes

  2. Clean electronic throttle body

  3. Test throttle position sensors

  4. Check accelerator pedal sensor

Frequently Asked Questions

Can I drive with U0466?

Short distances only. Reduced power mode limits speed for safety.

What causes U0466?

Usually a dirty throttle body or failing throttle position sensor.

How much to fix?

Typically $200 to $800. Throttle body cleaning may fix it cheaply.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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