AutoCodes – Lincoln – B1288 Lincoln

B1288 Lincoln 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 Lincoln 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 984

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

What does this mean?

What are the Possible Causes of the DTC B1288 Lincoln?

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 Lincoln?

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 Lincoln 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 Lincoln code?

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

Need Help with the Code?

Get the B1288 Lincoln 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 Lincoln Code

1. What does the OBDII code B1288 mean on a Lincoln?

B1288 indicates a "Rear Lock Motor Common Circuit General Signal Failure," meaning there is an issue with the circuit controlling the rear lock motor.

2. What are the common symptoms of the B1288 code?

Symptoms include the rear door or trunk lock not functioning properly, inability to lock or unlock the rear door, or intermittent operation of the rear lock.

3. What causes the B1288 code to appear?

Common causes include a faulty rear lock motor, damaged wiring or connectors in the circuit, or a problem with the body control module (BCM).

4. How can I diagnose the B1288 code on my Lincoln?

Start by inspecting the rear lock motor, checking for damaged or corroded wiring, and testing the connectors. Use a multimeter to check for proper voltage and continuity in the circuit.

5. Can a faulty rear lock motor trigger the B1288 code?

Yes, a defective rear lock motor is a frequent cause of this code, as it prevents proper signal communication in the circuit.

6. How do I fix the B1288 code on a Lincoln?

Repairs may involve replacing the rear lock motor, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming the BCM if necessary.

7. Is the B1288 code a serious issue?

While it doesn't typically affect vehicle safety or drivability, it can be inconvenient as it may prevent proper locking or unlocking of the rear door or trunk.

8. Can a blown fuse cause the B1288 code?

Yes, a blown fuse in the circuit supplying power to the rear lock motor can cause this code. Always check the fuse box during diagnosis.

9. Do I need a professional to fix the B1288 code?

If you're comfortable with basic electrical diagnostics and repairs, you may be able to resolve the issue yourself. Otherwise, seek help from a qualified technician.

10. Can a software issue cause the B1288 code?

Yes, a malfunction in the body control module (BCM) software can lead to this code. In such cases, reprogramming or replacing the BCM might be required.