B0094 low

Puddle Light Circuit Left Malfunction

The B0094 code means the vehicle's onboard diagnostic system has detected: Puddle Light Circuit Left Malfunction. This is a low severity code.

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Keep driving?
Yes, but fix soon
DIY difficulty
easy
Estimated cost
$15 - $200 (parts and labor)
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Common Symptoms

  • Left puddle light not illuminating
  • No ground illumination when left door opens
  • Left mirror puddle light not working
  • Left welcome light not functioning

Probable Causes (Ranked by Likelihood)

  • Burned out puddle light LED Very High
  • Failed puddle light driver in mirror High
  • Corroded wiring in door hinge area Moderate
  • Door module communication fault Low

Step-by-Step Diagnostic Procedure

  1. Inspect puddle light LED

  2. Check door hinge wiring

  3. Test voltage with door open

  4. Scan door module for DTCs

Frequently Asked Questions

What is a puddle light?

A downward-facing light under the mirror or door panel illuminating the ground when you open the door.

Can I use a logo projector instead?

Yes, aftermarket logo projectors are available.

Is the wiring in the door harness?

If in the door panel, yes. If in the mirror, through the mirror harness and hinge area.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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