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December 22, 2025 Service bulletin

Unknown or other

Chevrolet technical service bulletin PIT6469A for 2026 Chevrolet Silverado 2500 and 2026 Chevrolet Silverado 3500.

Bulletin number
PIT6469A
Component
Unknown or other
Summary
This preliminary information communicates an issue with the turn signals flashing fast after reprogramming the lighting control module. Dealer are to contact TCSC to obtain the correct cals for the lighting control module.

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