Fix Cost
$100 - $500
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
❌ No
Pro recommended
Category
Body
System
📖 What Does B0146 Mean?
The B0146 code indicates a malfunction in the door locks actuator circuit, which controls the operation of the door locks. This can cause issues with door lock functionality, such as failure to lock or unlock, or erratic behavior.
⚠️
Symptoms
- • Door locks fail to operate
- • door locks operate erratically
- • or door locks do not respond to key fob or door switch inputs
🔍
Common Causes
- • Faulty door locks actuator
- • wiring issues
- • blown fuse
- • or faulty body control module
Fix Guide
🛠️
Possible Solutions
1. Check the door locks actuator for signs of wear or damage and replace if necessary. 2. Inspect the wiring and connectors for damage or corrosion and repair or replace as needed. 3. Check the fuse box for a blown fuse and replace if necessary. 4. If the issue persists, replace the body control module.
Required Parts
Tools
Multimeter
Wire tester
Torx screwdriver
Pliers
👨🔧
Need a Pro?
Complex codes like B0146 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 B0146
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