Fix Cost
$100 - $300
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System
📖 What Does B0138 Mean?
The B0138 code indicates a malfunction in the door lock system, which can cause issues with locking and unlocking the doors.
⚠️
Symptoms
- • Doors may not lock or unlock properly
- • or may do so intermittently
- • and may also trigger a warning light on the dashboard.
🔍
Common Causes
- • Faulty door lock actuator
- • wiring issue
- • or a problem with the door lock module.
Fix Guide
🛠️
Possible Solutions
1. Check the door lock actuator for any signs of damage or wear. If damaged, replace it. 2. Inspect the wiring and connectors for any signs of damage or corrosion. Clean or replace as needed. 3. Check the door lock module for any signs of malfunction. If faulty, replace it.
Required Parts
Tools
Torx screwdriver
Wrench set
Multimeter
👨🔧
Need a Pro?
Complex codes like B0138 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 B0138
B0100
Same System
B0100: Seat Position Sensor Malfunction
Medium
B0101
Same System
B0101: Body System Code B0101 - Lighting
Medium
B0102
Same System
B0102: Immobilizer System Malfunction
Medium
B0103
Same System
B0103: Audio System Malfunction
Medium
B0104
Same System
B0104: Airbag System Malfunction
High
B0105
Same System
B0105: Climate Control Blower Motor Fault
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