B1C37 Code - Master Lock Switch
Quick Answer
The Body Control Module (BCM) monitors the Master Lock Switch. Common causes include Faulty Master Lock Switch, Master Lock Switch harness is open or shorted, Master Lock 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
- B1C37 indicates Master Lock Switch.
- Common causes
- Common causes include Faulty Master Lock Switch, Master Lock Switch harness is open or shorted, Master Lock 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 B1C37 Description
What are the Possible Causes of the DTC B1C37?
- Faulty Master Lock Switch
- Master Lock Switch harness is open or shorted
- Master Lock Switch circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1C37?
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
B1C37:23 Master Lock Switch Signal Stuck Low
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B1C37 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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Get the B1C37 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- B1C37 Ford — Master Lock Switch
- B1C37 Lincoln — Master Lock Switch
- B1C37 Mercury — Master Lock Switch
Frequently Asked Questions about B1C37 Code
1. What is OBDII code B1C37 for the Master Lock Switch?
The code B1C37 indicates a fault with the Master Lock Switch in the vehicle.
2. What are common symptoms of OBDII code B1C37 related to the Master Lock Switch?
Common symptoms include issues with the power door locks, such as failure to lock or unlock properly.
3. What are possible causes of OBDII code B1C37 for the Master Lock Switch?
Potential causes may include a faulty master lock switch, wiring problems, or issues with the door lock actuator.
4. How can I diagnose the cause of OBDII code B1C37 for the Master Lock Switch?
Diagnosis typically involves inspecting the master lock switch, checking the wiring for any damage, and testing the door lock actuator for proper functionality.
5. Can I repair OBDII code B1C37 related to the Master Lock Switch myself?
Depending on your experience and comfort level with automotive repairs, you may be able to replace the master lock switch or address wiring issues yourself. However, complex electrical problems may require professional assistance.
6. Are there any quick tips to troubleshoot OBDII code B1C37 for the Master Lock Switch?
You can start by checking the fuse related to the door locks, ensuring proper power supply to the master lock switch, and inspecting for any visible damage to the wiring.
7. Will OBDII code B1C37 for the Master Lock Switch affect the vehicle's overall performance?
While the code itself may not impact the vehicle's drivability, it can cause inconvenience and safety concerns related to the proper functioning of the power door locks.
8. How urgent is it to address OBDII code B1C37 for the Master Lock Switch?
It is recommended to address the issue in a timely manner to ensure the proper operation of the power door locks and maintain the convenience and security of the vehicle.
9. Can OBDII code B1C37 for the Master Lock Switch cause other electrical problems in the vehicle?
While the code specifically relates to the master lock switch, underlying wiring issues or related components may potentially lead to other electrical problems if left unresolved.
10. Is resetting the OBDII system a temporary solution for code B1C37 related to the Master Lock Switch?
Resetting the OBDII system may temporarily clear the code, but if the underlying issue with the master lock switch or related components is not addressed, the code is likely to reappear.
Discuss the causes and fixes for B1C37 OBDII Code
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