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March 16, 2021 Service bulletin

Customer Satisfaction Program

Chevrolet technical service bulletin N202324120 for 2021 Chevrolet Silverado 1500 and 2021 GMC Sierra 1500.

Bulletin number
N202324120
Component
Service brakes
Summary
Customer Satisfaction Program. On certain vehicles may experience brake function issues over time based on feedback received from the supplier concerning the condition of certain eBoost brake unit assemblies. Dealers are to replace the eBoost brake unit assembly.

Owners of these vehicles have filed 70 complaints in the brakes category.

Vehicles covered

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