← Back to Search Severity: Medium

B0786

B0786: Door Locks Malfunction

Fix Cost
$50 - $150
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
✅ Yes
Save money
Category
Body
System

📖 What Does B0786 Mean?

This code indicates a malfunction in the door lock system, which can cause issues with door locking and unlocking functions.
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Symptoms

  • Door locks not functioning properly
  • doors may not lock or unlock
  • or may lock/unlock intermittently.
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Common Causes

  • Faulty door lock actuator
  • wiring issues
  • or a problem with the door lock switch.
Fix Guide
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Possible Solutions

1. Check the door lock actuator for any signs of damage or wear. Replace if necessary. 2. Inspect the wiring harness for any signs of damage or corrosion. Repair or replace as needed. 3. Check the door lock switch for any signs of wear or damage. Clean or replace as needed.

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Common Questions About B0786

Q

Can I drive with code B0786?

A

You can drive for a short time, but should address code B0786 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix B0786?

A

The estimated repair cost for code B0786 is between $50 and $150. 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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Complex codes like B0786 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with B0786

💡 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