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Service bulletins for the 2023 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1426 on file from NHTSA, as of 2026-10-19.

About P0202 on the 2023 GMC Sierra: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0202 are shown. Show all

Bulletins, newest first
PIE0791B2024-07-12. Service bulletin. ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This engineering information (EI) closure ends the need for gathering further information from technicians in regard to the Check Engine Lamp illuminated on DIC, and having DTCs P0202, P0203 Set.
PIE0791A2024-06-25. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL/PROPULSION SYSTEM. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTCs P0202, P0203 Set.
PIE07912024-06-18. Service bulletin. ELECTRICAL SYSTEM; ENGINE. This engineering information (EI) is requesting information from technicians to perform the check list provided and contact the engineer listed in regards the Check Engine Lamp illuminated on Driver Information Center (DIC), and having DTC’s P0202, P0203 Set.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.