U0462 critical

Invalid Data Received From Emergency Braking Module

The U0462 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Emergency Braking Module. This is a critical severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
hard
Estimated cost
$300 - $2,000 (parts and labor)
Diagnose CAN Bus Issues
LAUNCH CRP123X Full System Scanner

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

  • AEB activating unnecessarily
  • False forward collision warnings
  • Sudden unexpected braking
  • Emergency braking disabled message
  • AEB warning light on

Probable Causes (Ranked by Likelihood)

  • Forward sensor sending bad data Very High
  • Radar sensor dirty or misaligned High
  • CAN bus data error Moderate
  • Software calibration error Low

Step-by-Step Diagnostic Procedure

  1. Clean radar and camera sensors

  2. Scan AEB module for codes

  3. Check sensor alignment

  4. Verify software version

Frequently Asked Questions

Can I drive with U0462?

Yes, but disable AEB if it causes phantom braking. Be extra vigilant about forward obstacles.

What causes U0462?

Usually a dirty radar sensor. Clean the sensor area on the front bumper first.

Is phantom braking dangerous?

Yes. Sudden braking can surprise following vehicles. Disable AEB until repaired.

Sources

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

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