← Back to Search Severity: Medium

B0605

B0605: Body System Code - Lighting Malfunction

Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
✅ Yes
Save money
Category
Body
System

📖 What Does B0605 Mean?

This code indicates a malfunction in the vehicle's lighting system, such as a faulty headlight, taillight, or turn signal.
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Symptoms

  • Dim or inoperative headlights
  • taillights
  • or turn signals
  • unusual lighting patterns
  • or warning lights on the dashboard.
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Common Causes

  • Faulty headlight or taillight bulbs
  • wiring issues
  • blown fuses
  • or a malfunctioning lighting control module.
Fix Guide
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Possible Solutions

1. Check and replace faulty bulbs. 2. Inspect and repair or replace wiring and connectors. 3. Check and reset blown fuses. 4. Test and replace the lighting control module if necessary.

Common Questions About B0605

Can I drive with code B0605?

You can drive for a short time, but should address code B0605 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0605?

The estimated repair cost for code B0605 is between $50 and $200. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0605 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 screwdriver torx driver
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Need a Pro?

Complex codes like B0605 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity Medium
DIY Friendly Yes
Est. Time 1-2 hours
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Related Diagnostic Codes

Other codes that may appear with B0605

💡 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