← Back to Search Severity: Medium

B0874

B0874: Door Locks Actuator Malfunction

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
✅ Yes
Save money
Category
Body
System

📖 What Does B0874 Mean?

The B0874 code indicates a malfunction in the door lock actuator, which may cause the doors to malfunction or not lock/unlock properly.
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Symptoms

  • Doors may not lock/unlock
  • door locks may be slow or unresponsive
  • or the door lock actuator may be making unusual noises.
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Common Causes

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

1. Disconnect the battery to reset the system. 2. Check and clean the door lock actuator and wiring. 3. Replace the door lock actuator if faulty. 4. Check and update the door lock module software if necessary.

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Common Questions About B0874

Q

Can I drive with code B0874?

A

You can drive for a short time, but should address code B0874 soon to avoid worsening the problem or failing an emissions test.

Q

How much does it cost to fix B0874?

A

The estimated repair cost for code B0874 is between $100 and $300. 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 B0874 can be tricky. Don't risk it if you're unsure.

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Related Diagnostic Codes

Other codes that may appear with B0874

💡 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