Fix Cost
$50 - $200
Parts & Labor
Difficulty
3/5
Moderate
1-2 hours
DIY Possible?
✅ Yes
Save money
Category
Body
System
📖 What Does B0125 Mean?
The B0125 code indicates a malfunction in the turn signal lamp circuit, which can cause the turn signals to malfunction or not function at all.
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Symptoms
- • Turn signals not working
- • flashing
- • or staying on continuously
- • or a combination of these symptoms.
🔍
Common Causes
- • Faulty turn signal lamp
- • faulty turn signal switch
- • loose or corroded wiring connections
- • or a blown fuse.
Fix Guide
🛠️
Possible Solutions
1. Check the turn signal lamp for any signs of damage or wear. Replace it if necessary. 2. Check the turn signal switch for any signs of wear or corrosion. Clean or replace it if necessary. 3. Check the wiring connections for any signs of corrosion or wear. Clean or replace them if necessary. 4. Check the fuse box for a blown fuse. Replace the fuse if necessary.
Required Parts
Tools
Multimeter
Wire tester
Torx screwdriver
👨🔧
Need a Pro?
Complex codes like B0125 can be tricky. Don't risk it if you're unsure.
Quick Stats
Severity
Medium
DIY Friendly
Yes
Est. Time
1-2 hours
🔗
Related Diagnostic Codes
Other codes that may appear with B0125
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