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Service bulletins for the 2008 Chevrolet Uplander

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.

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

About P0300 on the 2008 Chevrolet Uplander: what the code means, and the bulletins and recalls about the same components.

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Only bulletins with trouble code: P0300 are shown. Show all

Bulletins, newest first
PIP5628G2023-09-18. Service bulletin. ENGINE. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628F2023-05-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628E2023-03-13. Service bulletin. EQUIPMENT:ELECTRICAL:ACCESSORY GENERATOR:OUTLETS/RECEPTACLE. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628E2022-01-24. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628C2020-11-16. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP5628B2020-06-15. Service bulletin. ENGINE. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP56282019-03-11. Service bulletin. ENGINE AND ENGINE COOLING. This Preliminary information communicates information that will need to be provided to TAC to aid in diagnosing if a vehicle comes in with misfire and DTC Codes P0300 - P0308 and/or P050D
PIP43632008-04-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ROUGH ENGINE IDLE, MISFIRE (DTC P0300) OR NOISE FROM ENGINE COMPARTMENT. *NJ UPDATED 6/11/10. *PE
PIP43452008-03-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT ILLUMINATED AND DTC P0011, P0016, P0300. EQUIPPED WITH 3.5L LZE, LZ4 (VIN CODES K, N) AND 3.9L LZ9, LZG, LGD ENGINE (VIN CODES 1, 3, W). *NJ

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