B1301
B1301: Body Control Module (BCM) Lighting Circuit Malfunction
📖 What Does B1301 Mean?
Symptoms
- • Dim or inoperative exterior lights
- • faulty turn signal indicators
- • or erratic lighting behavior
Common Causes
- • Faulty BCM
- • wiring issues
- • blown fuses
- • or damaged lighting components
Possible Solutions
1. Check and replace blown fuses. 2. Inspect and repair wiring damage. 3. Update BCM software if necessary. 4. Replace faulty lighting components.
Fixing this on your car?
Get a vehicle-specific repair guide with exact parts, oil specs, and torque settings for your make and model.
🚙 Get Vehicle-Specific Fix Guide
Select your vehicle to see a customized repair guide with exact parts and specifications:
❓ Common Questions About B1301
Can I drive with code B1301?
You can drive for a short time, but should address code B1301 soon to avoid worsening the problem or failing an emissions test.
How much does it cost to fix B1301?
The estimated repair cost for code B1301 is between $100 and $500. This includes parts and labor for most makes and models.
Is this code easy to fix myself?
This repair is considered moderate. It may require specialized tools or significant disassembly. Professional help is recommended if you aren't an experienced DIYer.
Required Parts
Need a Pro?
Complex codes like B1301 can be tricky. Don't risk it if you're unsure.
Recommended Tool
Professional OBD2 Scanner
Read & clear codes, view live data, and reset service lights yourself.
View Best Sellers ↗Related Diagnostic Codes
Other codes that may appear with B1301
B1299: Power Window Relay Circuit Malfunction
B1300: Seat Position Sensor Circuit Malfunction
B1302: Body Control Module (BCM) Security System Malfunction
B1303: Audio System Malfunction
💡 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