B12B6 Code - Front Lock Motor Common Circuit Circuit Short
Quick Answer
The Body Control Module (BCM) monitors the Front Lock Motor. Common causes include Faulty Front Lock Motor, Front Lock Motor harness is open or shorted, Front Lock Motor circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- B12B6 indicates Front Lock Motor Common Circuit Circuit Short.
- Common causes
- Common causes include Faulty Front Lock Motor, Front Lock Motor harness is open or shorted, Front Lock Motor circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code B12B6 Description
What are the Possible Causes of the DTC B12B6?
- Faulty Front Lock Motor
- Front Lock Motor harness is open or shorted
- Front Lock Motor circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B12B6?
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.
Code Tech Notes
B12B6:15 Front Lock Motor Common Circuit: Circuit Short To Battery Or Open
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B12B6 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.
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Information for Specific Makes
- B12B6 Ford — Front Lock Motor Common Circuit Circuit Short
- B12B6 Lincoln — Front Lock Motor Common Circuit Circuit Short
- B12B6 Mercury — Front Lock Motor Common Circuit Circuit Short
Frequently Asked Questions about B12B6 Code
1. What are common symptoms of OBDII code B12B6 (Front Lock Motor Common Circuit Short)?
- Common symptoms include difficulty locking or unlocking the front doors, intermittent power door lock operation, or a non-responsive front lock motor.
2. What are the possible causes of OBDII code B12B6 (Front Lock Motor Common Circuit Short)?
- The code B12B6 can be triggered by a short circuit in the wiring of the front lock motor, a faulty lock motor, or a problem with the door lock control module.
3. How can I diagnose the issue related to OBDII code B12B6?
- Diagnose the issue by checking the wiring harness for any visible damage, testing the front lock motor for proper functionality, and scanning the door lock control module for error codes.
4. Can I continue driving my vehicle with OBDII code B12B6 active?
- It is not recommended to continue driving the vehicle with an active B12B6 code, as it may lead to further electrical issues or potential safety concerns related to door locking mechanisms.
5. How can I repair OBDII code B12B6 (Front Lock Motor Common Circuit Short)?
- To repair the B12B6 code, you may need to replace the front lock motor, repair any damaged wiring, or reset the door lock control module. It is advisable to consult a professional mechanic for proper diagnosis and repair.
6. Can a DIY enthusiast fix OBDII code B12B6 at home?
- Depending on your automotive repair skills and access to tools, it may be possible to address the B12B6 code at home by following repair guidelines provided in the vehicle's service manual. However, for complex electrical issues, it is recommended to seek professional assistance.
7. How much does it typically cost to repair OBDII code B12B6?
- Repair costs for OBDII code B12B6 can vary based on the extent of the issue, the need for replacement parts, and labor charges. It is advisable to obtain quotes from local mechanics or dealerships for an accurate estimate.
8. Are there any preventive measures to avoid OBDII code B12B6 in the future?
- To prevent OBDII code B12B6, regular maintenance of the vehicle's door lock system, checking for signs of wiring damage, and addressing any door lock issues promptly can help avoid potential circuit shorts in the future.
9. Will resetting the OBDII system clear the B12B6 code?
- Resetting the OBDII system may temporarily clear the B12B6 code, but if the underlying issue causing the circuit short is not addressed, the code is likely to reappear. It is essential to diagnose and repair the root cause of the problem.
10. Is OBDII code B12B6 a common issue in specific vehicle makes or models?
- OBDII code B12B6 related to the Front Lock Motor Common Circuit Short can be more common in certain vehicle makes or models known for electrical system issues. It is advised to check for any manufacturer recalls or technical service bulletins related to this code.
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