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Service bulletins for the 2011 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.

2203 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PIE-01982012-02-08. Service bulletin. STEERING:RACK AND PINION:PINION SHAFT. CHEVROLET/GMC: SOME VEHICLES MAY EXPERIENCE FLUID LEAKING FROM FRONT DRIVE AXLE AREA. AFTER INSPECTION, PROBLEM FOUND TO BE PINION SEAL LEAKING. *PE
PI-06152012-02-07. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). GMC/CHEVROLET: BULLETIN PROVIDES INFORMATION ON THE SEAL REVISION AND THE TRANSFER CASE OUTPUT SHAFT SLINGER FOR CERTAIN MODEL YEAR TRUCKS. *PE
PB-112882012-02-07. Service bulletin. AIR BAGS. CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODEL VEHICLES, A CONDITION WHERE ROOF RAIL AIRBAGS, MAY BEEN IMPROPERLY ROUTED ON RIGHT SIDE, RESULTING IN DEPLOYMENT. *PE
PIP-49662011-12-06. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. CHEVROLET/CADILLAC/GMC: CERTAIN VEHICLES EXPERIENCING ERRATIC OR INOPERATIVE SPEEDOMETER OR ANTI-LOCK BRAKE SYSTEM MESSAGE OR MALFUNCTIONING INDICATOR LIGHT DISPLAYING IN DRIVER'S INFORMATION CENTER. *PE UPDATED 08/5/2013 *JS
PI-0041D2011-12-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CADILLAC/CHEVROLET/GMC: CERTAIN MODEL VEHICLES MY 2010-2012, THE TRANSMISSION HAS DEVELOPED A LEAK IN THE REAR. *PE
PIP-49422011-10-03. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. CHEVROLET/GMC: AT HIGH PRESSURE PUMP TO HIGH PRESSURE FUEL LINES THERE ARE SIGNS OF FUEL LEAKAGE AND/OR FUEL ODOR. *PE UPDATED ON 5/2/2012. *KB
SB-110012011-08-31. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE FUEL INJECTION SYSTEM MAY NOT OPERATE AS INTENDED. IF THIS OCCURS THE MALFUNCTION LIGHT MAY ILLUMINATE, AND VEHICLE SPEED COULD BE LIMITED. *RM UPDATED 10/4/11. *PE
PI-04932011-08-01. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:FILLING/CHARGING. GM: THE MALFUNCTION LIGHT IS ON AND THE FUEL TANK IS HARD TO FILL. THERE ARE TROUBLE CODES STORED. *RM
PI-04882011-08-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GM: THE TRANSMISSION IS SLIPPING OR HAS NO FORWARD/REVERSE MOVEMENT. *RM UPDATED 4/16/12. *PE UPDATED 6/18/12. *PE UPDATED ON 7/09/2013. *KB
SB-09-08-64-032A2011-06-30. Service bulletin. STRUCTURE:BODY:DOOR. GM: THE CHROME OUTSIDE DOOR HANDLE IS CRACKED OR LOOSE AT THE SCREW WHERE IT ATTACHES. GREASE MAY HAVE CAUSE THE SCREW TO DEGRADE OR THE TORQUE WAS TOO HIGH. *RM
SB-111592011-06-27. Service bulletin. UNKNOWN OR OTHER. GM: 2011 SIERRA/SILVERADO.TWO WELDS MAY BE MISSING FROM THE BOTTOM OF THE TRUCK BOX AND UNDER LOADS THE REMAINING WELDS MAY FRACTURE. *RM
PIT-50902011-06-27. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION. GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. 2007-2011 SILVERADO/SIERRA. *RM
PB-110352011-06-27. Service bulletin. EQUIPMENT:OTHER:LABELS. GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. 2011 SILVERADO/SIERRA. SOME TRUCKS MAY HAVE BEEN BUILT WITHOUT A NOISE LABEL ON THE DOOR. *RM
SB-09-08-110-0022011-06-25. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. GM: THE CARPET IS CURLING AT THE TOP FRONT EDGE. THE CARPET WAS FOLDED PRIOR TO INSTALLATION AND WHEN INSTALLED IT CURLS BACK UP. 2007-2012 SILVERADO/SIERRA. *RM
PIT-50682011-06-24. Service bulletin. SUSPENSION:FRONT. GM: THE VEHICLE LEANS OR THERE IS A CLUNK NOISE IN THE FRONT SUSPENSION. THE TORSION BAR ADJUSTER ARM MAY BE FRACTURED. 2011 SILVERADO/SIERRA. *RM
PIT-50642011-06-24. Service bulletin. STEERING. GM: WHILE DRIVING STRAIGHT THE STEERING MAY HAVE A WANDER SENSATION. 2011 SILVERADO AND SIERRA MODELS. *RM
PIT-4769B2011-06-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THE AIR BAG LIGHT IS ON WITH A STORED TROUBLE CODE. *RM
PIP-48972011-06-24. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. GM: SERVICE ENGINE SOON LIGHT IS ON AND THERE IS AN EXHAUST FLUID MESSAGE DISPLAYED. THIS MAY BE CAUSED BY A PREVIOUS FUEL TANK REPAIR. *RM
PIP-48952011-06-24. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. GM: THERE MAY BE COMPLAINTS THAT THE LOW COOLANT LIGHT IS ON, LOSS OF COOLANT, OR EXCESSIVE PRESSURE. THERE ARE NO EXTERNAL LEAKS. *RM
PIP-48882011-06-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. GM: INFORMATION ON INSPECTING AND REPLACING TURBOS. *RM
PIE-01642011-06-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE IS COOLANT LEAKING FROM THE TANK. IT MAY BE AROUND THE FILLER CAP OR HOSE AREA. 2011 SIERRA/SILVERADO. *RM
PI-0011A2011-06-15. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD. THE PROBABLY CAUSE AN INCORRECT INSTALLATION OF A HANDLE COMPONENT. *RM UPDATED ON 7/26/2013. ALL 2014 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB
11-09-41-0022011-06-15. Service bulletin. AIR BAGS. GM: THE AIR BAG WARNING LIGHT IS ON WITH STORED TROUBLE CODES DUE TO AN ELECTRO-MAGNETIC INTERFERENCE IN THE AMARILLO, TEXAS AREA. *RM UPDATED 6/24/11. *PE UPDATED 3/12/12. *PE
10-00-89-017C2011-06-14. Service bulletin. UNKNOWN OR OTHER. GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME. *RM
09-09-40-001A2011-06-14. Service bulletin. SEAT BELTS:FRONT:WARNING LIGHT/DEVICES; SEAT BELTS. GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE

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