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Service bulletins for the 2011 Chevrolet Avalanche

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.

1558 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
PIT-51442012-04-04. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. CHEVROLET/GMC: STOP LAMP SWITCHES HAS FAILED BUT NOT CONFIRMED, DUE TO POSSIBLE CODE SET BY WIRING/TERMINAL ISSUE AT BRAKE SWITCH. *PE
PIE-0188-A2012-02-14. Service bulletin. ELECTRICAL SYSTEM:WIRING. CADILLAC/CHEVROLET/GM: IN REGARDS TO SOME VEHICLES, THERE IS AN ISSUE OF NO AIRFLOW THROUGH HVAC VENTS DUE TO THE BLOWER MOTOR BEING INOPERATIVE. *PE UPDATED 2/21/12. *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-05322011-10-03. Service bulletin. PARKING BRAKE:DRIVELINE:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS; WHEELS; SERVICE BRAKES, HYDRAULIC:POWER ASSIST:HYDRAULIC:HOSES, LINES/PIPING, AND FITTINGS; SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS. CADILLAC/CHEVROLET/GMC: DUE TO BUILD UP OF SNOW, MUD OR ICE, THE RIGHT FRONT WHEELHOUSE LINER MAY BE CONTACTING OR IS TOO CLOSE TO BRAKE PIPE. *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
PIT-4769B2011-06-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THE AIR BAG LIGHT IS ON WITH A STORED TROUBLE CODE. *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
PIP-4568K2011-06-08. Service bulletin. ENGINE AND ENGINE COOLING. GM: SERVICE ENGINE SOON LIGHT IS ON WITH A MISFIRE AND A POSSIBLE TICK NOISE. *RM
PIP-4138K2011-06-08. Service bulletin. ENGINE AND ENGINE COOLING. GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE. THERE ARE MULTIPLE POSSIBLE CAUSES. *RM
PI-03202011-06-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:MANUAL TRANSMISSION. GM: THERE ARE COMPLAINTS OF CERTAIN GEARS NOT WORKING OR NO REVERSE. THERE IS ALSO A POSSIBILITY OF TWO INTERNAL TROUBLE CODES. *RM
PIP-3783-C2011-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THE ENGINE LIGHT IS ON AND THE VEHICLE LACKS POWER. THERE ARE MULTIPLE POSSIBLE TROUBLE CODES. *RM UPDATED 10/15/14. *PE
PIT-4322-D2011-06-01. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); SUSPENSION; STEERING. GM: THERE IS UNWANTED STABILITY ACTION OR STABILITY LIGHT ON. THIS CAN BE CAUSED BY THE SUSPENSION BEING MODIFIED. *RM UPDATED 6/18/12. *PE MODELS 2007-13 ALL ESCALADE; AVALANCHE, SILVERADO, SUBURBAN, TAHOE; SIERRA, SIERRA DENALI, ALL YUKONS. UPDATED 11/28/12. *PE UPDATED 4/1015. *PE
PIP-48512011-05-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE IS AN INTERMITTENT ENGINE LIGHT ON DUE TO FIVE POSSIBLE INTERNAL TROUBLE CODES. THERE MAY ALSO BE AN EXTENDED CRANK AFTER FILLING THE FUEL TANK. *RM UPDATED 5/31/11. *PE UPDATED ON 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB
PI-0161A2011-05-18. Service bulletin. PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE. GM: THERE MAY BE A RUBBING/GRINDING NOISE WHEN MAKING FULL LEFT TURNS. IT IS MOST NOTICEABLE WHEN DRIVING UP AN INCLINE. *RM
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-08-09-41-005A2011-05-10. Service bulletin. AIR BAGS:FRONTAL; AIR BAGS. GM: THE AIR BAG DOOR MAY BE WARPED OR NOT SIT FLUSH WITH THE INSTRUMENT PANEL/DASH. *RM
PIT-4801B2011-03-30. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM:WIRING. GMC/CHEVROLET: CHECK TRAILER WIRING MESSAGE IN DIC POOR CONNECTIONS AT 7-WAY). THIS CONCERN COULD BE CAUSED BY A POOR CONNECTION AT THE 7-WAY TRAILER CONNECTOR. THERE ARE SEVERAL MANUFACTURERS OF 7-WAY (TRAILER SIDE) CONNECTORS AND NO INDUSTRY STANDARD SPECIFICATIONS FOR THESE CONNECTORS. MODELS AVALANCHE, SUBURBAN, TAHOE, SIERRA, SILVERADO, SIERRA DENALI, YUKON, YUKON XL. *PE
PIT-4730A2011-03-28. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. VEHICLE MAY EXHIBITS SOME SYMPTOM(S) AS DOOR LOCKS CYCLE WHILE DRIVING; INTERMITTENT NO START; SERVICE STABILITRAK DIC MESSAGE; SPEEDOMETER AND TACHOMETER FREEZE WHILE DRIVING. *PE
PIT-4900A2011-03-28. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. CHEVROLET/GMC: SERVICE TRAILER BRAKE MESSAGE WITH DTC(S) C1115, C1116, C1117, AND/OR C1118 (INSPECT WIRING NEAR PARKING BRAKE PEDAL). THIS CONCERN MAY BE VERY INTERMITTENT AND CAN OCCUR WITH OR WITHOUT A TRAILER CONNECTED TO TRUCK. *PE
PIP-4492P2011-03-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE
PIP-48192011-03-14. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING:ENGINE. CADILLAC/CHEVROLET/GMC: SES LIGHT DUE TO P0300-P0308 AND ENGINE MISFIRES; INSPECT PLUG WIRE. THIS MAY BE THE RESULT OF A LOOSE SPARK PLUG WIRE OF THE CYLINDER WITH CURRENT AND/OR HISTORY MISFIRES. *PE
PIT-50282011-03-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PONTIAC/SATURN/BUICK/GMC/CHEVROLET/CADILLAC/HUMMER: VEHICLE START AND STALLS AFTER THEFT DETERRENT MODULE REPLACEMENT. MODEL YEARS 2006-2011. DOES NOT APPLY TO VEHICLES WITH KEYLESS ACCESS SYSTEM. *PE

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