AutoCodes – Ford – B117B Ford

B117B Ford Code - Latch Motor Circuit Open

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: B117B Ford indicates Latch Motor Circuit Open.
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.

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Code Popularity 2,252

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
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Code B117B Ford 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 an open on the latch motor circuit(s). The LTM determines the circuit(s) is open when it detects no current change upon latch motor activation.

OBDII Code B117B Ford - Latch Motor Circuit Open - AutoCodes.com — B117B Ford Code - Latch Motor Circuit Open

What does this mean?

What are the Possible Causes of the DTC B117B Ford?

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 B117B Ford?

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 B117B Ford 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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Need Help with the Code?

Get the B117B Ford 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 B117B Ford Code

1. What are the common symptoms of OBDII code B117B Ford (Latch Motor Circuit Open)?

- The common symptoms include power door locks not functioning properly, doors not locking or unlocking as intended, and possibly a warning light on the dashboard.

2. What are the possible causes of the OBDII code B117B Ford (Latch Motor Circuit Open)?

- The possible causes can include a faulty latch motor, damaged wiring or connectors in the circuit, a blown fuse, or a malfunctioning door control module.

3. How can I diagnose the OBDII code B117B Ford (Latch Motor Circuit Open)?

- Diagnosis typically involves checking the wiring and connectors for damage, testing the latch motor for proper operation, and using a diagnostic scanner to pinpoint the exact issue.

4. What is the recommended repair for OBDII code B117B Ford (Latch Motor Circuit Open)?

- The recommended repair may involve replacing the faulty latch motor, repairing damaged wiring or connectors, replacing a blown fuse, or addressing any issues with the door control module.

5. Can I fix the OBDII code B117B Ford (Latch Motor Circuit Open) myself?

- Depending on your level of automotive expertise, you may be able to perform the necessary repairs yourself, especially if it involves simple tasks like replacing a fuse or a connector. However, more complex repairs may require professional help.

6. How urgent is it to address the OBDII code B117B Ford (Latch Motor Circuit Open)?

- While the vehicle may still be operable with this issue, it is important to address it in a timely manner to ensure the proper functioning of the power door locks and overall security of the vehicle.

7. Will resetting the OBDII code B117B Ford (Latch Motor Circuit Open) make it go away permanently?

- Resetting the code may temporarily clear the warning light, but if the underlying issue is not repaired, the code is likely to return once the problem is detected again during system checks.

8. Are there any preventive measures to avoid OBDII code B117B Ford (Latch Motor Circuit Open)?

- Regularly inspecting and maintaining the power door lock system, checking for any signs of wear or damage, and addressing issues promptly can help prevent the occurrence of this code.

9. Can a weak car battery cause the OBDII code B117B Ford (Latch Motor Circuit Open) to appear?

- A weak car battery may not directly cause this specific code, but electrical issues related to a weak battery can potentially lead to malfunctions in the latch motor circuit, triggering the code.

10. How long does it typically take to repair OBDII code B117B Ford (Latch Motor Circuit Open)?

- The repair time can vary depending on the exact cause of the issue and the complexity of the repair needed. Simple repairs like replacing a fuse may take minutes, while more involved repairs could take a few hours.