← Back to Search Severity: Medium

B0090

B0090: 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 B0090 Mean?

The B0090 code indicates a malfunction in the door lock actuator, which prevents the door locks from functioning properly.
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Symptoms

  • • Door locks do not function
  • • may be stuck or jammed
  • • or may not respond to key fob or door switch commands.
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Common Causes

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

Possible Solutions

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

Required Parts

Tools

Multimeter Torx screwdriver
👨‍🔧

Need a Pro?

Complex codes like B0090 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 B0090

B0000 Same System

Airbag System Malfunction (B0000)

High
B0001 Same System

Body System Code B0001: Climate Control Malfunction

Medium
B0002 Same System

Body System Code B0002: Door Locks Malfunction

Medium
B0003 Same System

Body System Code B0003: Windows

Medium
B0004 Same System

Seat Position Sensor Malfunction

Medium
B0005 Same System

Body System Code B0005: Lighting 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