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January 29, 2024 Service bulletin

Special Coverage

Chevrolet technical service bulletin N232430460 for 2020 Chevrolet Silverado 1500 and 2020 GMC Sierra 1500.

Bulletin number
N232430460
Component
Engine and engine cooling
Summary
Special Coverage. Certain vehicles may have a condition that could cause the engine’s cylinder 2 glow plug to fail. If this condition occurs, the Malfunction Indicator Lamp (Check Engine Light) will illuminate, and a diagnostic trouble code will set. Dealers are to replace the cylinder 2 glow plug as necessary. The repairs will be made at no charge to the customer.

Owners of these vehicles have filed 532 complaints in the engine category.

Vehicles covered

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