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Service bulletins for the 2009 Chevrolet Cobalt

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.

1015 on file from NHTSA, as of 2026-10-19.

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By component

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
PIP-48202011-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. CHEVROLET/PONTIAC/SATURN/DAEWOOD/OPEL: LOW TURBOCHARGER BOOST PRESSURE OR POSSIBLE DTC P0299. TECHNICIANS MAY FIND DTC P0299 PRESENT. MAY ALSO FIND THE TURBO WASTEGATE ACTUATOR ROD NUT MISSING. MOST PARTS OF THE TURBOCHARGER ARE NOT SERVICEABLE. *PE
SB-10-06-04-0012010-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES. CHEVROLET/GMC/PONTIAC: INTERMITTENT MIL/CHECK ENGINE LIGHT ON, DTC P0442, P0446, P0451, P0452, P0453, P0454 OR P0455 (INSTALL FUEL TANK PRESSURE SENSOR COVER). THIS CONDITION MAY BE CAUSED BY NORMAL WATER ACCUMULATION OR CONDENSATION BLOCKING THE AIR REFERENCE PORT OF THE FUEL TANK PRESSURE SENSOR. *PE UPDATED 2/07/11. *PE UPDATED 2/25/11. *PE
PIP-4469D2010-06-08. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. PONTIAC/SATURN/CHEVROLET: DTC P0011 (INTAKE CAMSHAFT POSITION (CMP) SYSTEM PERFORMANCE) AND/OR P0014 (EXHAUST CAMSHAFT POSITION (CMP) SYSTEM PERFORMANCE). THEY MAY HAVE FOLLOWED ESI DIAGNOSTICS AND/OR THE CODE(S) RETURNED. THEY MAY HAVE REPLACED THE ECM WITH NO CHANGE. *PE UPDATED 7/26/10. *PE
SB-09-06-93-0022010-03-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. DAEWOO/OPEL/SATURN/PONTIAC/CHEVROLET: TURBOCHARGER HOUSING INLET FLANGE CRACKS IN PARTITION WALL. *PE
TB-PIP-45202009-07-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. GENERAL MOTORS: TECH MAY ENCOUNTER A VEHICLE WITH A LOW BOOST/POWER CONDITION AND/OR DTC P0299 AND OR P0101 SETTING. THIS MAY BE THE RESULT OF A CRACKED OR BROKEN FITTING AT THE TURBOCHARGER ASSEMBLY. *PE
PIP-44852008-12-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY; ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. GMC: LOW BOOST, REDUCED POWER AND/OR DTC ON CERTAIN 2008-09 COBALT SS. INSPECT THE RIGHT SIDE CAC (CHARGE AIR COOLER) PIPE FOR CONTACT ON RADIATOR SUPPORT BOLT. *PE

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