← Back to Search Severity: Medium

B1701

B1701: Body Control Module (BCM) Malfunction - Lighting

Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B1701 Mean?

The Body Control Module (BCM) has detected a malfunction in the vehicle's lighting system, which may cause issues with the headlights, taillights, or other exterior lights.
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Symptoms

  • Dim or inoperative headlights
  • taillights
  • or other exterior lights
  • or a combination of these symptoms.
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Common Causes

  • Faulty BCM
  • wiring harness damage
  • blown fuse
  • or a malfunctioning lighting component.
Fix Guide
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Possible Solutions

1. Check the BCM fuse and replace it if blown. 2. Inspect the wiring harness for damage and repair or replace as needed. 3. Test the lighting components and replace any faulty ones. 4. Update the BCM software if necessary.

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Common Questions About B1701

Q

Can I drive with code B1701?

A

You can drive for a short time, but should address code B1701 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix B1701?

A

The estimated repair cost for code B1701 is between $100 and $500. This includes parts and labor for most makes and models.

Q

Is this code easy to fix myself?

A

This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.

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Need a Pro?

Complex codes like B1701 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with B1701

💡 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