What this code means

General malfunction in the automatic headlight leveling system that adjusts beam height based on vehicle load.

Symptoms

• Headlight aim incorrect
• Headlight leveling warning on dash
• Oncoming drivers being blinded
• Low beam too low when loaded

Common causes

• Leveling motor failure
• Ride height sensor fault affecting headlights
• Control module malfunction
• Wiring damage

Diagnostic steps

1. Check headlight leveling motors by commanding with scan tool
2. Read ride height sensor data
3. Inspect leveling motor connectors
4. Verify headlight aim with wall test
5. Check for related ride height codes

Repair notes

Replace headlight leveling motor. Perform headlight aim adjustment after repair.

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