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May 1, 2014 Service bulletin

Service Update for Inventory and Customer Vehicles Human Machine Interface (HMI) Module Softlware Update...

Chevrolet technical service bulletin 13451 for 2014 Chevrolet Silverado 1500 and 2014 GMC Sierra 1500.

Bulletin number
13451
Component
Electrical system
Summary
Service Update for Inventory and Customer Vehicles Human Machine Interface (HMI) Module Softlware Update Expries with Base Warranty. Equipped with Base Radio (IO4) and Located in Middle East

Owners of these vehicles have filed 470 complaints in the electrical category.

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