B0097 moderate

LED Headlight Driver Module Left Fault

The B0097 code means the vehicle's onboard diagnostic system has detected: LED Headlight Driver Module Left Fault. This is a moderate severity code.

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Keep driving?
Short distances only
DIY difficulty
hard
Estimated cost
$150 - $800 (parts and labor)
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Common Symptoms

  • Left LED headlight not illuminating
  • Left headlight flickering
  • LED warning on dashboard
  • Left headlight dim or partial segments out

Probable Causes (Ranked by Likelihood)

  • Failed LED driver module Very High
  • Overheating of LED driver High
  • Poor connection at driver connector Moderate
  • LED array failure in assembly Low

Step-by-Step Diagnostic Procedure

  1. Check driver module power and ground

  2. Inspect connector for heat damage

  3. Test module output with multimeter

  4. Check thermal management

Frequently Asked Questions

What is an LED driver module?

Converts vehicle 12V to the specific voltage and current needed by the LED array.

Can I replace just the driver?

On some vehicles yes; on others full assembly replacement is needed.

Why does my LED headlight flicker?

Usually a failing driver that cannot maintain consistent power.

Sources

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

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