AutoCodes – Mercury – B1288 Mercury

B1288 Mercury Code - Rear Lock Motor Common Circuit General Signal Failure

Quick Answer

The Body Control Module (BCM) monitors the Rear Lock Motor. Common causes include Faulty Rear Lock Motor, Rear Lock Motor harness is open or shorted, Rear Lock 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: B1288 Mercury indicates Rear Lock Motor Common Circuit General Signal Failure.
Common causes: Common causes include Faulty Rear Lock Motor, Rear Lock Motor harness is open or shorted, Rear Lock 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 796

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 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1288 Mercury Description

The Body Control Module (BCM) monitors the Rear Lock Motor. The BCM sets the OBDII code when the Rear Lock Motor is not to factory specifications.

OBDII Code B1288 Mercury - Rear Lock Motor Common Circuit General Signal Failure - AutoCodes.com — B1288 Mercury Code - Rear Lock Motor Common Circuit General Signal Failure

What does this mean?

What are the Possible Causes of the DTC B1288 Mercury?

Faulty Rear Lock Motor
Rear Lock Motor harness is open or shorted
Rear Lock Motor circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1288 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 B1288 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 B1288 Mercury code?

Need more information on how to fix the B1288 Mercury code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1288 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 B1288 Mercury Code

1. What are the common symptoms of OBDII code B1288 in a Mercury vehicle?

The common symptoms of OBDII code B1288 in a Mercury vehicle include issues with the rear lock motor, difficulty locking or unlocking the rear doors, and an illuminated dashboard warning light.

2. What are the possible causes of OBDII code B1288 in a Mercury vehicle?

Possible causes of OBDII code B1288 in a Mercury vehicle include a faulty rear lock motor, wiring issues, a blown fuse, or a malfunctioning control module.

3. How can I diagnose OBDII code B1288 in my Mercury vehicle?

Diagnosing OBDII code B1288 in a Mercury vehicle involves using an OBDII scanner to retrieve the code, inspecting the rear lock motor and wiring for any visible damage, and checking the fuse related to the rear lock system.

4. Can I still drive my Mercury vehicle with OBDII code B1288 present?

It is not recommended to drive your Mercury vehicle with OBDII code B1288 present, as it can lead to potential safety issues with the rear door locking mechanism. It is best to address the issue promptly.

5. How can I repair OBDII code B1288 in my Mercury vehicle?

Repairing OBDII code B1288 in a Mercury vehicle may involve replacing the rear lock motor, repairing any damaged wiring, checking and replacing the fuse if necessary, and clearing the trouble code with an OBDII scanner.

6. Is it possible to reset OBDII code B1288 in a Mercury vehicle without fixing the issue?

While you can clear the OBDII code B1288 with a scanner, it is not recommended to do so without addressing the underlying issue, as the problem may persist and potentially lead to further complications.

7. Are there any preventive measures to avoid OBDII code B1288 in a Mercury vehicle?

To prevent OBDII code B1288 in a Mercury vehicle, it is advisable to perform regular maintenance checks on the door locking system, address any issues promptly, and avoid excessive force when locking or unlocking the rear doors.

8. Can a DIY enthusiast fix OBDII code B1288 in a Mercury vehicle?

Depending on the DIY enthusiast's skill level and access to tools, it may be possible to fix OBDII code B1288 in a Mercury vehicle by following repair guides, consulting the vehicle's manual, and being cautious when working with electrical components.

9. How long does it typically take to repair OBDII code B1288 in a Mercury vehicle?

The time to repair OBDII code B1288 in a Mercury vehicle can vary depending on the specific cause of the issue, the availability of replacement parts, and the individual's level of expertise. It may take anywhere from a few hours to a full day to complete the repair.

10. Is it necessary to visit a dealership for OBDII code B1288 repair in a Mercury vehicle?

While visiting a dealership for OBDII code B1288 repair in a Mercury vehicle is an option, independent auto repair shops and DIY enthusiasts with the necessary skills and tools can also effectively diagnose and repair the issue.