← Back to Search Severity: Medium

B0338

B0338: Door Locks Actuator Malfunction

Fix Cost
$150 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0338 Mean?

The B0338 code indicates a malfunction in the door lock actuator, which prevents the door locks from functioning properly. This can cause issues with locking and unlocking the doors, and may also trigger the airbag system to deploy.
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Symptoms

  • • Door locks do not function
  • • airbag light on
  • • may trigger airbag deployment
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Common Causes

  • • Faulty door lock actuator
  • • wiring issue
  • • or electronic control unit malfunction
Fix Guide
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Possible Solutions

1. Disconnect the battery to reset the system. 2. Check and repair any wiring issues. 3. Replace the door lock actuator if faulty. 4. Update the electronic control unit software if necessary.

❓ Common Questions About B0338

Can I drive with code B0338?

You can drive for a short time, but should address code B0338 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0338?

The estimated repair cost for code B0338 is between $150 and $300. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0338 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 Torx screwdriver
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Need a Pro?

Complex codes like B0338 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 B0338

B0336 Sequential Code

B0336: Airbag System - Deployment Sensor Circuit Malfunction

High
B0337 Sequential Code

B0337: Climate Control Fan Motor Malfunction

Medium
B0339 Sequential Code

B0339: Power Window Relay Circuit Malfunction

Medium
B0340 Sequential Code

B0340: Seat Position Sensor Circuit Malfunction

Medium

💡 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