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February 5, 2026 Service bulletin

This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning...

Chevrolet technical service bulletin PIT6483 for 2015-2022 Chevrolet Silverado 1500, 2015-2020 Chevrolet Tahoe and 2014-2022 GMC Sierra 1500 and others.

Bulletin number
PIT6483
Component
Unknown or other
Summary
This preliminary information communicates an issue with aftermarket LED headlights causing IPC warning messages and MIL along with several low speed lan DTCs.

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