Service bulletins for the 2009 Chevrolet T-Series

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.

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

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Bulletins, newest first
05-09-40-002E	2011-05-11. Service bulletin. SEAT BELTS:FRONT:WEBBING; SEAT BELTS:FRONT:RETRACTOR. GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. RM UPDATED 12/6/11. PE
PIT-4935	2010-03-26. Service bulletin. SERVICE BRAKES, HYDRAULIC; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC; SERVICE BRAKES, HYDRAULIC:POWER ASSIST. CHEVROLET/GMC: BRAKE ASSIST PUMP MOTOR ON AND WARNING LIGHT/CHIME. OWNERS MAY COMMENT WHEN TURNING THE STEERING WHEEL WITH THE BRAKE APPLIED THAT THE HYDRAULIC BRAKE ASSIST PUMP TURNS ON AND THE BRAKE WARNING LAMP AND CHIME MAY SOUND. MODELS CHEVROLET KODIAK, C4500-C7500, CONVENTIONAL CAB, T SERIES, TILT CAB, C6500-C7500; GMC TOPKICK, C4500-C7500, CONVENTIONAL CAB, T SERIES, TILT CAB, T6500-T7500. *PE
SB-IB09-J-002	2010-03-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. ISUZU/GMC/CHEVROLET: TURBOCHARGER INSPECTION. A COMMON OCCURRENCE OF TURBOCHARGES BEING REPLACED FOR INTERNAL OIL LEAKS. RESULTS SHOW THAT THERE IS NO FAULT WITH THE TURBOCHARGER. THE PERCEIVED OIL LEAK ACTUALLY MAY BE A NORMAL CHARACTERISTIC OF THE CLOSED POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM OR SOME OTHER UNIDENTIFIED CONDITION. PE UPDATED 7/9/13. PE

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