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July 12, 2023 Service bulletin

Exterior lighting

Chevrolet technical service bulletin PIT6040 for 2023 Chevrolet Silverado 1500, 2023 GMC Sierra 1500 and 2024 Chevrolet Silverado 2500 and others.

Bulletin number
PIT6040
Component
Exterior lighting
Summary
This Preliminary information communicates an issue where the aux switch "on" LED indicators do not illuminate within the aux switch if more than one aux switch is turned on. The aux switches do work regardless of how many are turned on, but the "on" LED indicator will only be illuminated in which ever aux switch is first pressed. Dealers are to reprogram the BCM to correct this concern.

Owners of these vehicles have filed 33 complaints in the lights category.

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