← Back to Search Severity: Medium

B0051

B0051: Power Window Relay Circuit Malfunction

Fix Cost
$50 - $200
Est. parts cost
Labor Cost
$60 - $120
Mechanic rates
Difficulty
3/5
Moderate
1-2 hours
DIY Fix?
❌ No
See mechanic

📖 What Does B0051 Mean?

The B0051 code indicates a problem with the power window relay circuit, which controls the movement of the windows. This can cause windows to malfunction or not function at all.

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Symptoms

Windows won't roll up or down, or do so intermittently, may be stuck in a particular position

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Common Causes

Faulty power window relay, wiring issues, blown fuse, or a problem with the window switch

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Possible Solutions

1. Check the fuse box for a blown fuse and replace it if necessary. 2. Inspect the wiring for damage or corrosion and repair/replace as needed. 3. Test the power window relay circuit with a multimeter to identify any issues. 4. Replace the power window relay if faulty.

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Recommended Parts & Tools

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Frequently Asked Questions about B0051

How serious is B0051?

This code has a medium severity level. This should be diagnosed and repaired soon to prevent further issues.

Can I drive with B0051?

You can typically drive short distances, but have it diagnosed as soon as possible.

How much does it cost to fix B0051?

Repair costs vary depending on the root cause, but typically range from $100-300 including parts and labor.

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Related Diagnostic Codes

Other codes that may appear with B0051

💡 Why These Codes Are Related:

  • Similar Issues: Same root cause or component failure
  • Related Problems: Often occur together due to system interactions
  • Sequential Codes: Progressive failure stages or multiple sensors
  • Same System: Components within the same automotive system