AutoCodes – Lincoln – B109B Lincoln

B109B Lincoln Code - License Plate Light

Quick Answer

The Body Control Module (BCM) monitors the License Plate Light. Common causes include Faulty License Plate Light, License Plate Light harness is open or shorted, License Plate Light 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: B109B Lincoln indicates License Plate Light.
Common causes: Common causes include Faulty License Plate Light, License Plate Light harness is open or shorted, License Plate Light 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 729

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Basic DIY (1 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 18, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B109B Lincoln Description

The Body Control Module (BCM) monitors the License Plate Light. The BCM sets the OBDII code when the License Plate Light is not to factory specifications.

OBDII Code B109B Lincoln - License Plate Light - AutoCodes.com — B109B Lincoln Code - License Plate Light

What does this mean?

What are the Possible Causes of the DTC B109B Lincoln?

Faulty License Plate Light
License Plate Light harness is open or shorted
License Plate Light circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B109B 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 B109B 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 B109B Lincoln code?

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Need Help with the Code?

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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 B109B Lincoln Code

1. What does OBDII code B109B for a Lincoln license plate light indicate?

The B109B code specifically relates to a fault in the license plate light circuit of a Lincoln vehicle.

2. What are the common symptoms of a B109B OBDII code in a Lincoln?

Common symptoms include a warning light on the dashboard, inoperative license plate lights, or issues with other related lighting systems.

3. What are the possible causes of the B109B code in a Lincoln for the license plate light?

Potential causes include a faulty license plate light bulb, damaged wiring or connections, a defective light socket, or a malfunctioning control module.

4. How can I diagnose the B109B OBDII code related to the license plate light in my Lincoln?

Diagnosis involves visually inspecting the license plate light, checking the wiring and connections for damage, testing the light bulb for functionality, and using a diagnostic scanner to retrieve the code.

5. Can I repair the B109B code issue in my Lincoln license plate light at home?

Depending on the cause, repairs may include replacing the light bulb, repairing damaged wiring, cleaning or replacing the light socket, or resetting the control module. Simple repairs can often be done at home.

6. Is it safe to continue driving with the B109B code triggered in a Lincoln license plate light?

While the code itself may not affect the vehicle's performance, it is important to address the underlying issue promptly to ensure proper lighting and compliance with road regulations.

7. How do I reset the B109B OBDII code for the license plate light in my Lincoln?

After repairing the issue causing the code, you can reset it using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes to clear the code.

8. Can a Lincoln dealership help with diagnosing and repairing the B109B OBDII code for the license plate light?

Yes, a Lincoln dealership or certified technician will have the expertise and tools to accurately diagnose and repair the issue causing the B109B code in the license plate light system.

9. Are there any preventive maintenance tips to avoid encountering the B109B code in the Lincoln license plate light?

Regularly checking and replacing faulty bulbs, inspecting wiring for damage, and keeping the lighting system clean can help prevent issues that trigger the B109B OBDII code.

10. Will fixing the B109B code related to the license plate light in my Lincoln affect my vehicle's overall performance?

Fixing the code will primarily restore proper functioning of the license plate light system and ensure compliance with road safety regulations without directly impacting the vehicle's overall performance.