AutoCodes – Generic – B14D8

B14D8 Code - Bed Lamp Output Circuit Short

Quick Answer

The Body Control Module (BCM) monitors the Bed Lamp. Common causes include Faulty Bed Lamp, Bed Lamp harness is open or shorted, Bed 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: B14D8 indicates Bed Lamp Output Circuit Short.
Common causes: Common causes include Faulty Bed Lamp, Bed Lamp harness is open or shorted, Bed 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 1,750

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 17, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B14D8 Description

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

OBDII Code B14D8 - Bed Lamp Output Circuit Short - AutoCodes.com — B14D8 Code - Bed Lamp Output Circuit Short

What does this mean?

What are the Possible Causes of the DTC B14D8?

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

How to Fix the DTC B14D8?

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

B14D8:11 Bed Lamp Output Circuit Short To Ground
B14D8:15 Bed Lamp Output Circuit Short To Battery or Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B14D8 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 B14D8 code?

Need more information on how to fix the B14D8 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B14D8 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B14D8 Ford — Bed Lamp Output Circuit Short
B14D8 Lincoln — Bed Lamp Output Circuit Short
B14D8 Mercury — Bed Lamp Output Circuit Short

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 B14D8 Code

1. What are the common symptoms of OBDII code B14D8 (Bed Lamp Output Circuit Short)?

- The common symptoms include the bed lamp not working at all, flickering, or staying on constantly.

2. What are the possible causes of the B14D8 code?

- The code B14D8 typically indicates a short circuit in the bed lamp output wiring, a faulty bed lamp control module, or a blown fuse related to the bed lamp circuit.

3. How can I diagnose the cause of the B14D8 code?

- You can start by checking the bed lamp fuse to ensure it is not blown. Then, inspect the wiring harness for any visible damage or signs of a short circuit. Finally, test the bed lamp control module for proper functionality.

4. Is it safe to continue driving with the B14D8 code present?

- While the code itself may not affect the drivability of the vehicle, it is recommended to address the issue promptly to ensure proper operation of the bed lamp and to prevent any potential electrical problems.

5. Can I repair the B14D8 code myself?

- If you have experience with automotive electrical systems, you may be able to repair the B14D8 code yourself by identifying and fixing the short circuit, replacing the faulty control module, or addressing any other related issues. Otherwise, it is advisable to seek professional help.

6. How much does it typically cost to repair the B14D8 code?

- The cost of repairing the B14D8 code can vary depending on the underlying cause. Simple fixes like replacing a blown fuse may cost less, while more complex issues like replacing the control module can be more expensive.

7. Will resetting the OBDII code make the problem go away?

- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the B14D8 code. It is important to diagnose and address the root cause of the problem to prevent it from recurring.

8. Can extreme weather conditions cause the B14D8 code to trigger?

- While extreme weather conditions themselves may not directly cause the B14D8 code, they can sometimes exacerbate existing electrical issues in the bed lamp circuit, leading to the code being triggered.

9. Are there any preventive measures to avoid encountering the B14D8 code in the future?

- Regularly inspecting the bed lamp circuit for any signs of wear or damage, ensuring proper installation of aftermarket lighting accessories, and avoiding overloading the circuit can help prevent the occurrence of the B14D8 code.

10. How long does it typically take to repair the B14D8 code?

- The repair time for the B14D8 code can vary depending on the complexity of the issue and the availability of parts. Simple fixes may take less than an hour, while more involved repairs could take several hours or even longer.