AutoCodes – Lincoln – B14AA Lincoln

B14AA Lincoln Code - Demand Lamp Output Circuit Short

Quick Answer

The Body Control Module (BCM) monitors the Demand Lamp. Common causes include Faulty Demand Lamp, Demand Lamp harness is open or shorted, Demand Lamp circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B14AA Lincoln indicates Demand Lamp Output Circuit Short.
Common causes: Common causes include Faulty Demand Lamp, Demand Lamp harness is open or shorted, Demand Lamp circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 946

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 15, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B14AA Lincoln Description

The Body Control Module (BCM) monitors the Demand Lamp. The BCM sets the OBDII code when it detects a short to ground, short to battery or open from the demand lighting output circuit.

OBDII Code B14AA Lincoln - Demand Lamp Output Circuit Short - AutoCodes.com — B14AA Lincoln Code - Demand Lamp Output Circuit Short

What does this mean?

What are the Possible Causes of the DTC B14AA Lincoln?

Faulty Demand Lamp
Demand Lamp harness is open or shorted
Demand Lamp circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B14AA 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 does this mean?

Code Tech Notes

B14AA:11 Demand Lamp Output Circuit Short To Ground
B14AA:15 Demand Lamp Output Circuit Short To Battery or Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B14AA 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 B14AA Lincoln code?

Need more information on how to fix the B14AA Lincoln code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B14AA 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 B14AA Lincoln Code

1. What are the common symptoms of OBDII code B14AA Lincoln (Demand Lamp Output Circuit Short)?

The common symptoms include the interior lights not working properly, flickering lights, or a complete failure of the interior lighting system.

2. What are the possible causes of the B14AA code in a Lincoln vehicle?

Common causes of the B14AA code include a short circuit in the demand lamp output circuit, a faulty lamp control module, wiring issues, or a blown fuse.

3. How can I diagnose the B14AA code in my Lincoln for a demand lamp output circuit short?

To diagnose the B14AA code, you can use a diagnostic scanner to read the trouble code and perform a visual inspection of the wiring and lamp control module for any signs of damage or corrosion.

4. Can I still drive my Lincoln with the B14AA code present?

It is not recommended to drive your Lincoln with the B14AA code present, as it can lead to safety issues due to the malfunctioning interior lighting system.

5. How can I repair the demand lamp output circuit short in my Lincoln?

To repair the demand lamp output circuit short, you may need to replace the faulty lamp control module, repair any damaged wiring, or replace blown fuses as necessary.

6. Is the B14AA OBDII code a serious issue in a Lincoln vehicle?

While the B14AA code is not a critical issue that affects the drivability of the vehicle, it is important to address it promptly to ensure the proper functioning of the interior lighting system.

7. Can I reset the B14AA trouble code in my Lincoln without fixing the underlying issue?

Resetting the B14AA trouble code without addressing the underlying issue will only temporarily clear the code, and the problem will likely reoccur until the root cause is resolved.

8. How much does it typically cost to repair the B14AA code in a Lincoln?

The cost of repairing the B14AA code can vary depending on the specific issue causing the code. It is recommended to consult a professional mechanic for an accurate diagnosis and cost estimate.

9. Are there any preventative measures to avoid the B14AA code in a Lincoln?

To prevent the B14AA code, you can regularly inspect the interior lighting system for any signs of malfunction and address any issues promptly to avoid potential shorts or failures.

10. Can I fix the B14AA code in my Lincoln myself, or should I seek professional help?

While some simple repairs like replacing a blown fuse can be done by DIY enthusiasts, diagnosing and repairing complex issues related to the B14AA code may require the expertise of a professional mechanic.