← Back to Search Severity: Medium

B0603

B0603: Power Window Circuit Malfunction

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0603 Mean?

The B0603 code indicates a problem with the power window circuit, which prevents the windows from functioning properly. This could be due to a faulty window switch, wiring issue, or a problem with the window regulator.
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Symptoms

  • Window won't roll up or down
  • or does so intermittently
  • may have a slow or stuck movement.
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Common Causes

  • Faulty window switch
  • wiring issue
  • window regulator malfunction
  • or a problem with the window motor.
Fix Guide
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Possible Solutions

1. Check the window switch for any signs of wear or damage. Clean or replace it if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace it if necessary. 3. Check the window regulator for any signs of wear or damage. Clean or replace it if necessary. 4. If the issue persists, check the window motor for any signs of malfunction. Replace it if necessary.

Common Questions About B0603

Can I drive with code B0603?

You can drive for a short time, but should address code B0603 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0603?

The estimated repair cost for code B0603 is between $50 and $200. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0603 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.

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Need a Pro?

Complex codes like B0603 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 B0603

💡 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