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Service bulletins for the 2010 Chevrolet HHR

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.

1137 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
05-09-40-002E2011-05-11. 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
SB-09-01-37-002D2011-05-10. Service bulletin. STRUCTURE:BODY; STRUCTURE. GM: THE FRONT AND REAR FLOOR CARPET MAY BE WET DUE TO A PLUGGED HVAC DRAIN. *RM UPDATED 02/06/12. *PE
PI-0128A2011-03-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET/PONTIAC/SATURN/DAEWOO/OPEL: ENGINE MISFIRE/LOW COMPRESSION. TECHNICIAN SHOULD PERFORM A COMPRESSION TEST. RESULTS MAY LEAD TO CYLINDER WITH LOW COMPRESSION (85-90PSI). THIS MAY CAUSE THE MISFIRE. *PE
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
PIE-0070B2011-03-10. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC). CHEVROLET: ENGINEERING INFORMATION-ELECTRONIC STABILITY CONTROL (ESC) MESSAGE DISPLAYED IN DRIVER INFORMATION CENTER (DIC), DTC C046 SET. ENGINEERING ATTEMPTING TO DETERMINE ROOT CAUSE OF THE ESC MESSAGE. *PE UPDATED 6/6/11. *PE
PIC-53632011-02-26. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. HHR:IN RARE CASES THE FUEL GAUGE IS NACCURATE OR VEHICLE MAY RUN OUT OF FUEL AT 1/8 TANK. VEHICLE MAY CRANK WITH NO START. *PE UPDATED 5/9/11. *PE
PIE-0041A2010-11-15. Service bulletin. AIR BAGS. CHEVROLET: ENGINEERING INFORMATION-SIR/AIRBAG INDICATOR/LIGHT ON, DTCS SET. THIS CONCERN ONLY INVOLVES THE SIR/AIRBAG INDICATOR (SHOWN BELOW. DO NOT PROCEED WITH THIS BULLETIN IF ONLY THE PASSENGER AIRBAG INDICATOR IS ON. ENGINEERING IS ATTEMPTING TO DETERMINE THE ROOT CAUSE OF THE ABOVE CONDITION. *PE
PIE-00472010-08-16. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY. GENERAL MOTORS: ENGINEERING INFORMATION-CHEMICAL DAMAGE ON INNER SURFACES OF FUEL TANK. SOME CUSTOMERS MAY COMMENT ON POOR PERFORMANCE, DECREASED ACCELERATION AND/OR AN INOPERATIVE FUEL GAUGE. NO MODELS LISTED EXCEPT SATURN AND HUMMERS; INCLUDES ALL PASSENGER CARS AND LIGHT DUTY TRUCKS. *PE UPDATED 5/9/11. *PE
PIP-46742010-07-23. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. CHEVROLET/PONTIAC/SATURN: BLOCKED SHIFT, GEAR HOP OUT 1ST, 3RD, 5TH GEAR OR DIFFICULTY SHIFTING. THE SHIFT LEVER ON THE MANUAL TRANSMISSIONS ROLL PIN CAN BACK OUT AND CONTACT THE SHIFT COVER DURING A SHIFT EVENT. THIS CAN CAUSE AN INCOMPLETE, BLOCKED SHIFT OR DIFFICULTY SHIFTING THE TRANSMISSION. *PE
PIP-46382010-04-12. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. CHEVROLET: DIFFICULT TO SHIFT OR UNABLE TO SELECT ALL GEARS. THE TRANSMISSION IS DIFFICULT TO SHIFT AND/OR IT CANNOT BE SHIFTED INTO ALL GEARS. THIS CONDITION MAY BE CAUSED BY A LOCATOR PIN LEFT IN PLACE THAT WAS MEANT TO BE REMOVED AT THE ASSEMBLY PLANT OR A SHIFT CABLE OUT OF POSITION. (COBALT SS/HHR SS). *PE
PIC-4610A2010-03-24. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. CHEVROLET: ENGINE POWER IS REDUCED MESSAGE AND CHECK ENGINE LAMP ON WITH DTC P0841. THE CONCERN MAY BE INTERMITTENT. OTHER DTCS THAT MAY SET ARE P0532, P0522, P0452, P0335, P0106, P0101 AND P0068. THREE AREAS WHERE WIRE CHAFFING CAN OCCUR HAVE BEEN IDENTIFIED AND CONFIRMED. *PE
SB-09-02-32-0022009-11-05. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING; STEERING:ELECTRIC POWER ASSIST SYSTEM. CHEVROLET: THE POWER STEERING IS INOPERATIVE OR THE VEHICLE IS HARD TO TURN. THIS CONDITION MAY HAVE BEEN NOTICED IMMEDIATELY AFTER THE VEHICLE WAS JUMP STARTED. *PE

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