AutoCodes – Mercury – B1115 Mercury

B1115 Mercury Code - High Mounted Stop Lamp Control Circuit

Quick Answer

The Body Control Module (BCM) monitors the High Mounted Stop Lamp. Common causes include Faulty High Mounted Stop Lamp, High Mounted Stop Lamp harness is open or shorted, High Mounted Stop Lamp circuit poor electrical connection. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B1115 Mercury indicates High Mounted Stop Lamp Control Circuit.
Common causes
Common causes include Faulty High Mounted Stop Lamp, High Mounted Stop Lamp harness is open or shorted, High Mounted Stop Lamp circuit poor electrical connection.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,125
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Nov 19, 2024
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Code B1115 Mercury Description

The Body Control Module (BCM) monitors the High Mounted Stop Lamp. The BCM sets the OBDII code when the High Mounted Stop Lamp is not to factory specifications.
OBDII Code B1115 Mercury - High Mounted Stop Lamp Control Circuit - AutoCodes.com
B1115 Mercury Code - High Mounted Stop Lamp Control Circuit

What are the Possible Causes of the DTC B1115 Mercury?

  • Faulty High Mounted Stop Lamp
  • High Mounted Stop Lamp harness is open or shorted
  • High Mounted Stop Lamp circuit poor electrical connection
  • Faulty Stop Lamp Switch
  • Faulty Body Control Module (BCM)

How to Fix the DTC B1115 Mercury?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1115 Mercury 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 B1115 Mercury code?

Need more information on how to fix the B1115 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1115 Mercury code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B1115 Mercury Code

1. What are the common symptoms of OBDII code B1115 in a Mercury related to the High Mounted Stop Lamp Control Circuit?

- The most common symptoms include the high mounted stop lamp not functioning properly or not illuminating at all.

2. What are the possible causes of OBDII code B1115 in a Mercury?

- The code B1115 can be triggered by issues such as a faulty stop lamp switch, damaged wiring, a defective lamp control module, or a blown fuse.

3. How can I diagnose the High Mounted Stop Lamp Control Circuit issue in my Mercury?

- To diagnose the issue, you can start by checking the stop lamp fuse, inspecting the wiring for any damage, testing the stop lamp switch, and verifying the functionality of the lamp control module.

4. Can a DIY enthusiast repair OBDII code B1115 in a Mercury at home?

- Depending on the exact cause, some DIY repairs may be possible, such as replacing a blown fuse or a faulty stop lamp switch. However, for complex issues involving the lamp control module or extensive wiring problems, professional assistance may be required.

5. Are there any tips for repairing the High Mounted Stop Lamp Control Circuit issue in a Mercury?

- It is recommended to use a multimeter for testing continuity in the wiring, ensuring all connections are secure, and following the vehicle's service manual for specific troubleshooting steps.

6. Is it safe to continue driving my Mercury with OBDII code B1115 present?

- While the vehicle should still be operable with this code, it is important to address the issue promptly to ensure the high mounted stop lamp functions correctly for safety reasons.

7. How can I reset the OBDII code B1115 in my Mercury after the repair?

- After repairing the High Mounted Stop Lamp Control Circuit issue, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

8. Will OBDII code B1115 cause my Mercury to fail an emissions test?

- The B1115 code related to the High Mounted Stop Lamp Control Circuit should not directly impact your Mercury's emissions, but it is still advisable to address the issue to ensure overall vehicle safety and functionality.

9. What is the typical cost to repair OBDII code B1115 in a Mercury at a professional auto repair shop?

- The cost of repairing the High Mounted Stop Lamp Control Circuit issue can vary depending on the exact cause and the labor rates of the repair shop. It is best to get a diagnostic assessment for an accurate estimate.

10. Can extreme weather conditions affect the High Mounted Stop Lamp Control Circuit in a Mercury?

- Extreme weather conditions, such as exposure to moisture or extreme heat, can potentially cause damage to the wiring or components related to the High Mounted Stop Lamp Control Circuit, leading to the triggering of OBDII code B1115.

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