← Back to Search Severity: Medium

B0251

B0251: Power Window Relay Circuit Malfunction

Fix Cost
$50 - $150
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0251 Mean?

The power window relay circuit has malfunctioned, preventing the windows from functioning properly. This code is typically set when the window switch is pressed, but the window does not move.
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Symptoms

  • • Windows do not move when switch is pressed
  • • may hear clicking or buzzing sounds
  • • or windows may move intermittently
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Common Causes

  • • Faulty power window relay
  • • faulty window switch
  • • wiring issue
  • • or blown fuse
Fix Guide
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Possible Solutions

1. Check the fuse box for a blown fuse and replace it if necessary. 2. Test the power window relay with a multimeter to ensure it's functioning properly. 3. Replace the power window relay if faulty. 4. Inspect and clean the window switch and wiring harness for any corrosion or damage. 5. Replace the window switch if faulty.

❓ Common Questions About B0251

Can I drive with code B0251?

You can drive for a short time, but should address code B0251 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0251?

The estimated repair cost for code B0251 is between $50 and $150. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0251 easy to fix myself?

This repair is considered moderate. It may require specialized tools or significant disassembly. If you are not an experienced mechanic, professional help is recommended.

Required Parts

Tools

Multimeter Wiring harness tester Torx screwdriver
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Need a Pro?

Complex codes like B0251 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity Medium
DIY Friendly No
Est. Time 1-2 hours
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Related Diagnostic Codes

Other codes that may appear with B0251

B0249 Sequential Code

B0249: Climate Control Temperature Sensor Malfunction

Medium
B0250 Sequential Code

B0250: Door Locks Malfunction

Medium
B0252 Sequential Code

B0252: Seat Position Sensor Circuit Malfunction

Medium
B0253 Sequential Code

B0253: Low Beam Headlight Relay Circuit Malfunction

Medium

💡 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