AutoCodes – Mercury – B14E5 Mercury

B14E5 Mercury Code - Left Front Enhanced Exterior Lighting System

Quick Answer

The Body Control Module (BCM) monitors the Left Headlamp Assembly. Common causes include Faulty Left Headlamp Assembly, Left Headlamp Assembly harness is open or shorted, Left Headlamp Assembly 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: B14E5 Mercury indicates Left Front Enhanced Exterior Lighting System.
Common causes: Common causes include Faulty Left Headlamp Assembly, Left Headlamp Assembly harness is open or shorted, Left Headlamp Assembly 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 2,143

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 22, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B14E5 Mercury Description

The Body Control Module (BCM) monitors the Left Headlamp Assembly. The BCM sets the OBDII code when the Left Headlamp Assembly is not to factory specifications.

OBDII Code B14E5 Mercury - Left Front Enhanced Exterior Lighting System - AutoCodes.com — B14E5 Mercury Code - Left Front Enhanced Exterior Lighting System

What does this mean?

What are the Possible Causes of the DTC B14E5 Mercury?

Faulty Left Headlamp Assembly
Left Headlamp Assembly harness is open or shorted
Left Headlamp Assembly circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B14E5 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 does this mean?

Code Tech Notes

B14E5:01 Left Front Enhanced Exterior Lighting System General Electrical Failure
B14E5:08 Left Front Enhanced Exterior Lighting System Bus Signal / Message Failure
B14E5:1C Left Front Enhanced Exterior Lighting System Circuit Voltage Out of Range
B14E5:49 Left Front Enhanced Exterior Lighting System Internal Electronic Failure
B14E5:55 Left Front Enhanced Exterior Lighting System Not Configured
B14E5:61 Left Front Enhanced Exterior Lighting System Signal Calculation Failure

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B14E5 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.

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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 B14E5 Mercury Code

1. What does OBDII code B14E5 for Mercury's Left Front Enhanced Exterior Lighting System mean?

- This code indicates a fault in the left front enhanced exterior lighting system of your Mercury vehicle.

2. What are the common symptoms of OBDII code B14E5 on a Mercury?

- Common symptoms include the left front exterior lighting not functioning properly, such as dim or erratic operation.

3. What are the possible causes of OBDII code B14E5 on a Mercury?

- The code may be triggered by issues like a faulty bulb, wiring problems, a defective lighting control module, or a damaged connector.

4. How can I diagnose the OBDII code B14E5 on my Mercury?

- To diagnose this code, you can start by visually inspecting the left front lighting components, checking the wiring for any damage, and using a multimeter to test for continuity.

5. Can I repair OBDII code B14E5 on my Mercury at home?

- Depending on the root cause, you may be able to repair this issue at home by replacing a faulty bulb, repairing damaged wiring, or addressing loose connections.

6. Is it safe to continue driving my Mercury with OBDII code B14E5 present?

- It is generally not recommended to drive with this code active, as it can affect the proper functioning of your left front exterior lighting system, compromising visibility and safety.

7. Does OBDII code B14E5 affect the overall performance of my Mercury?

- While this code specifically relates to the left front lighting system, ignoring it can impact the overall performance and safety of your vehicle, especially in low visibility conditions.

8. How much does it typically cost to repair OBDII code B14E5 on a Mercury?

- The cost of repairs can vary depending on the underlying issue, but it may involve expenses for parts and labor, with the total cost ranging from relatively inexpensive to moderately expensive.

9. Can resetting the OBDII system clear the B14E5 code on my Mercury?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue is not fixed, the code is likely to reappear after some driving cycles.

10. Should I seek professional help to address OBDII code B14E5 on my Mercury?

- If you are unsure about diagnosing or repairing the issue yourself, it is advisable to seek help from a qualified mechanic or dealership to properly address the B14E5 code on your Mercury.