U0489 low

Invalid Data Received From Power Folding Mirror Module

The U0489 code means the vehicle's onboard diagnostic system has detected: Invalid Data Received From Power Folding Mirror Module. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
easy
Estimated cost
$100 - $400 (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

  • Mirrors not folding in
  • Mirrors folding at wrong time
  • One mirror folding but not the other
  • Mirror making grinding noise when folding

Probable Causes (Ranked by Likelihood)

  • Mirror fold motor worn Very High
  • Mirror module data error High
  • CAN bus fault Moderate
  • Mirror gear stripped Low

Step-by-Step Diagnostic Procedure

  1. Test fold motor manually

  2. Check mirror fuse

  3. Scan mirror module for codes

  4. Inspect mirror fold mechanism

Frequently Asked Questions

Can I drive with U0489?

Yes. Fold mirrors manually or leave them extended.

What causes U0489?

Usually a worn fold motor or stripped gear in the mirror housing.

How much to fix?

Typically $100 to $400.

Sources

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

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