B13A6 Code - LDWS Switch Circuit Malfunction
Quick Answer
The Forward Sensing Camera (FSC) sets the OBDII code when it detects that Lane Departure Warning System (LDWS) switch is held pressed for 10 s or more. Common causes include Faulty LDWS Switch, LDWS Switch harness is open or shorted, LDWS Switch circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- B13A6 indicates LDWS Switch Circuit Malfunction.
- Common causes
- Common causes include Faulty LDWS Switch, LDWS Switch harness is open or shorted, LDWS Switch circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code B13A6 Description
What are the Possible Causes of the DTC B13A6?
- Faulty LDWS Switch
- LDWS Switch harness is open or shorted
- LDWS Switch circuit poor electrical connection
- Faulty Forward Sensing Camera (FSC)
How to Fix the DTC B13A6?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B13A6 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the B13A6 code?
Need more information on how to fix the B13A6 code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B13A6 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B13A6 Mazda — LDWS Switch Circuit Malfunction
Frequently Asked Questions about B13A6 Code
1. What does OBDII code B13A6 mean?
Code B13A6 indicates a malfunction in the Lane Departure Warning System (LDWS) switch circuit, which is responsible for controlling the activation of the LDWS feature.
2. What are the symptoms of code B13A6?
Common symptoms include the LDWS system not functioning, a warning light on the dashboard, or the inability to activate or deactivate the LDWS using the switch.
3. What causes code B13A6?
Possible causes include a faulty LDWS switch, damaged or corroded wiring, poor electrical connections, or a malfunctioning control module.
4. Can I still drive my car with code B13A6?
Yes, you can still drive your car, but the Lane Departure Warning System may not work properly, which could reduce driver assistance and safety features.
5. How do I diagnose code B13A6?
Start by inspecting the LDWS switch and its wiring for damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit.
6. How can I fix code B13A6?
Repairs may involve replacing the LDWS switch, repairing or replacing damaged wiring, cleaning corroded connections, or reprogramming the control module if necessary.
7. How much does it cost to repair code B13A6?
Repair costs depend on the specific issue but typically range from $100 to $300, including parts and labor, unless the control module needs replacement, which may cost more.
8. Can I reset code B13A6 without fixing the issue?
Clearing the code without fixing the underlying issue may cause the code to return and the LDWS system to remain non-functional.
9. Is code B13A6 specific to certain vehicles?
While B13A6 is a generic OBDII code, its exact meaning and troubleshooting steps may vary depending on the vehicle’s make and model.
10. Do I need a professional to fix code B13A6?
If you are comfortable with basic electrical diagnostics and repairs, you may be able to fix the issue yourself. However, for complex problems, it’s best to consult a professional mechanic.
Discuss the causes and fixes for B13A6 OBDII Code
Code B13A6 comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
