AutoCodes – Mercury – B117A Mercury

B117A Mercury Code - Latch Motor Circuit Short To Ground

Quick Answer

The Liftgate/Trunk Module (LTM) monitors the Latch Motor. Common causes include Faulty Latch Motor, Latch Motor harness is open or shorted, Latch Motor 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: B117A Mercury indicates Latch Motor Circuit Short To Ground.
Common causes: Common causes include Faulty Latch Motor, Latch Motor harness is open or shorted, Latch Motor 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 832

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B117A Mercury Description

The Liftgate/Trunk Module (LTM) monitors the Latch Motor. The LTM sets the OBDII code when a continuous memory and on-demand Diagnostic Trouble Code (DTC) that sets when the LTM detects a short to ground on the latch motor circuit(s) for more than 1 second.

OBDII Code B117A Mercury - Latch Motor Circuit Short To Ground - AutoCodes.com — B117A Mercury Code - Latch Motor Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B117A Mercury?

Faulty Latch Motor
Latch Motor harness is open or shorted
Latch Motor circuit poor electrical connection
Faulty Liftgate/Trunk Module (LTM)

How to Fix the DTC B117A 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B117A 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 B117A Mercury code?

Need more information on how to fix the B117A Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B117A 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 B117A Mercury Code

1. What are the common symptoms of OBDII code B117A Mercury (Latch Motor Circuit Short To Ground)?

- The common symptoms include difficulty locking or unlocking the doors, non-functioning power door locks, and a warning light on the dashboard.

2. What are the possible causes of OBDII code B117A Mercury (Latch Motor Circuit Short To Ground)?

- The possible causes can include a short circuit in the latch motor wiring, a faulty latch motor, or a damaged control module.

3. How can I diagnose the issue related to OBDII code B117A Mercury (Latch Motor Circuit Short To Ground)?

- You can use a diagnostic scanner to read the trouble codes, visually inspect the wiring and connectors for damage, and test the latch motor for proper operation.

4. Can I still drive my Mercury with the B117A code present?

- It is generally safe to drive the vehicle with this code, but you may experience inconvenient door locking issues until the problem is resolved.

5. How do I repair OBDII code B117A Mercury (Latch Motor Circuit Short To Ground)?

- The repair process typically involves repairing or replacing the damaged wiring, replacing the faulty latch motor, or reprogramming the control module.

6. Are there any DIY tips for fixing OBDII code B117A Mercury (Latch Motor Circuit Short To Ground)?

- DIY enthusiasts can start by checking the fuse related to the door locks, inspecting the wiring for visible damage, and testing the latch motor for continuity.

7. Can a faulty latch motor cause other electrical issues in my Mercury?

- Yes, a faulty latch motor can potentially cause other electrical issues in your Mercury, such as draining the battery or affecting the central locking system.

8. Is it necessary to reset the OBDII system after fixing the B117A code on my Mercury?

- Yes, it is recommended to clear the trouble codes from the OBDII system after fixing the issue to ensure the warning light does not reappear.

9. How much does it typically cost to repair OBDII code B117A Mercury (Latch Motor Circuit Short To Ground) at a mechanic?

- The cost of repair can vary depending on the extent of the damage and the specific parts that need replacement, but it can range from $100 to $300 or more.

10. Can I prevent OBDII code B117A Mercury (Latch Motor Circuit Short To Ground) from recurring in the future?

- Regular maintenance of the door latch system, checking for wiring issues, and addressing any electrical problems promptly can help prevent the code from reoccurring.