← Back to Search Severity: Medium

B0290

B0290: Door Locks Malfunction

Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System

📖 What Does B0290 Mean?

The Body Control Module (BCM) has detected a malfunction in the door lock system, preventing the doors from locking or unlocking properly.
⚠️

Symptoms

  • • Door locks do not function
  • • doors may not lock or unlock
  • • or may lock/unlock randomly.
🔍

Common Causes

  • • Faulty door lock actuator
  • • faulty BCM
  • • wiring issue
  • • door lock switch malfunction
  • • or a faulty door lock module.
Fix Guide
🛠️

Possible Solutions

1. Check the door lock actuator for proper function and replace if faulty. 2. Check the wiring harness for damage or corrosion and repair if necessary. 3. Update the BCM software if necessary. 4. Replace the door lock switch if faulty. 5. Test the door lock module and replace if faulty.

❓ Common Questions About B0290

Can I drive with code B0290?

You can drive for a short time, but should address code B0290 soon to avoid worsening the problem or failing an emissions test.

How much does it cost to fix code B0290?

The estimated repair cost for code B0290 is between $100 and $300. This includes parts and labor. Prices may vary based on your vehicle's make and model.

Is code B0290 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 Wire tester Torx screwdriver Pliers
👨‍🔧

Need a Pro?

Complex codes like B0290 can be tricky. Don't risk it if you're unsure.

Quick Stats

Severity Medium
DIY Friendly No
Est. Time 1-2 hours
🔗

Related Diagnostic Codes

Other codes that may appear with B0290

B0288 Sequential Code

B0288: Airbag System Malfunction

High
B0289 Sequential Code

B0289: Climate Control Blower Motor Resistor Fault

Medium
B0291 Sequential Code

B0291: Power Window Circuit Malfunction

Medium
B0292 Sequential Code

B0292: 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