← Back to Search Severity: Medium

B0427

B0427: Window Regulator Motor Circuit Malfunction

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0427 Mean?

The B0427 code indicates a problem with the window regulator motor circuit, which controls the movement of the window glass. This can cause the window to malfunction or not move at all.
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Symptoms

  • • Window won't roll up or down
  • • stuck in position
  • • intermittent window movement
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Common Causes

  • • Faulty window regulator motor
  • • faulty wiring harness
  • • blown fuse
  • • faulty switch
Fix Guide
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Possible Solutions

1. Check the fuse box for a blown fuse and replace it if necessary. 2. Inspect the wiring harness for damage and repair or replace it if necessary. 3. Test the window regulator motor and replace it if faulty. 4. Check the window switch for proper function and replace it if necessary.

❓ Common Questions About B0427

Can I drive with code B0427?

You can drive for a short time, but should address code B0427 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0427?

The estimated repair cost for code B0427 is between $100 and $300. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0427 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 Wire tester Torx screwdriver Pliers
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Need a Pro?

Complex codes like B0427 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 B0427

B0425 Sequential Code

B0425: Climate Control Blower Motor Malfunction

Medium
B0426 Sequential Code

B0426: Door Locks Actuator Circuit Malfunction

Medium
B0428 Sequential Code

B0428: Seat Position Sensor Circuit Malfunction

Medium
B0429 Sequential Code

B0429: Exterior Lighting 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