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April 15, 2025 Service bulletin

This informational bulletin provides information on the turn signal stalk not cancelling and/or mis...

Chevrolet technical service bulletin 21-NA-166 for 2020-2025 Chevrolet Silverado 1500, 2021-2025 Chevrolet Tahoe and 2020-2025 GMC Sierra 1500 and others.

Bulletin number
21-NA-166
Component
Steering
Summary
This informational bulletin provides information on the turn signal stalk not cancelling and/or mis cancelling.

Owners of these vehicles have filed 413 complaints in the steering category.

Vehicles covered

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