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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC B3435 or B3440: AHLD Left/Right Servo Driver >> Repair Instructions

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Headlamp Replacement
Control Module References for headlamp control module replacement, programming, and setup

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