Engine-Codes - Mercury - B14E5 MERCURY

B14E5 MERCURY - Left Front Enhanced Exterior Lighting System

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

B14E5 MERCURY Possible Causes

  • 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 is the B14E5 MERCURY code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

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 B14E5 MERCURY code

Labor: 1.0

The cost to diagnose the B14E5 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
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Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

B14E5 MERCURY Meaning

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.

More Information

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