OBD Guide

B14E5

Left Front Enhanced Exterior Lighting System

B14E5 is an OBD-II diagnostic trouble code meaning: Left Front Enhanced Exterior Lighting System. Common causes: open or short circuit in wiring harness, body module (bcm) malfunction. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • Left headlights or DRLs do not work
  • Flashing or uneven lighting
  • Dashboard warning

Causes

  • Open or short circuit in wiring harness
  • Body Module (BCM) Malfunction
  • Burnt out lamp or LED module
  • Connector damage or contact corrosion
  • Control module software failure

How to Fix

  1. Check the condition of lamps and LED modules
  2. Inspect the wiring harness for damage
  3. Check contacts in connectors for oxidation
  4. Scan the body module for errors
  5. If necessary, replace faulty components

Related codes

FAQ

What does the B14E5 code mean?

B14E5 is an OBD-II diagnostic trouble code that indicates: Left Front Enhanced Exterior Lighting System

What causes a B14E5 error code?

The most common causes of B14E5 include: Open or short circuit in wiring harness; Body Module (BCM) Malfunction; Burnt out lamp or LED module; Connector damage or contact corrosion.

How do I fix a B14E5 diagnostic trouble code?

To fix B14E5: Check the condition of lamps and LED modules. Inspect the wiring harness for damage. Check contacts in connectors for oxidation. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B14E5?

Do not drive — repair immediately

How much does it cost to fix B14E5?

The estimated repair cost for B14E5 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat