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Service bulletins for the 2012 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.

1612 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
PI1344B2016-07-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Some customers may comment that the vehicle has reduced acceleration at low speed and/or transmission is slipping from a launch. Technicians may find DTC P0751 set or stored in history. This condition may be caused by the Clutch Select Solenoid Valve 2 (359), located in the lower valve body, sticking in its bore resulting in a 4th gear start. Note: This condition can be very intermittent and difficult to duplicate.
PI1343A2016-06-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIC5959A2016-06-22. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PI1343A2016-06-22. Service bulletin. EQUIPMENT. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-PIE-0225-B2016-06-17. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP-5276-E2016-02-01. Service bulletin. ENGINE; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. CADILLAC/CHEVROLET/GMC: ON SOME VEHICLES AND/OR TRUCKS, INSTRUMENT CLUSTER WILL ILLUMINATE, AFTER AN OIL CHANGE, INDICATING LOW OIL PRESSURE AND/OR SES LAMP WILL ILLUMINATE. MODEL 2007-13 CANYON, SIERRA, SAVANA, YUKON, CTS-V, ESCALADE, AVALANCHE, CAMARO SS, COLORADO, CORVETTE, EXPRESS, SILVERADO, SUBURBAN, TAHOE. *PE
PIP-5069-A2016-02-01. Service bulletin. ENGINE. CHEVROLET/GMC: WHEN AMBIENT TEMPERATURE REACHES 103F OR GREATER AND ACCELERATING FROM A STOP, THERE IS A LACK OF POWER FROM ENGINE. MODEL 2010-14 AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON. *PE
PI-12352014-10-11. Service bulletin. ELECTRICAL SYSTEM. GENERAL MOTORS: DUE TO LOOSE GROUND TERMINAL CONNECTIONS, IN SOME VEHICLES AND TRUCKS EXPERIENCE, ACCESSORIES MALFUNCTIONS, DIC MESSAGES, IPC WARNING INDICATORS, SES LIGHT ON. *PE
PI-07732014-07-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC: THERE IS SLIPPING OR HAVE NO FOURTH, FIFTH OR SIXTH GEAR AND MALFUNCTION INDICATOR LAMP (MIL) WOULD BE ON, WITH DIAGNOSTIC TROUBLE CODE (DTC) P0796 FOUND AS ACTIVE. *PE
PI-0018-B2014-01-04. Service bulletin. STRUCTURE:BODY:DOOR; VISIBILITY:GLASS, SIDE/REAR. GENERAL MOTORS: THE WINDOWS, FRONT AND REAR, WOULD BIND, POOR FIT, MISALIGNMENT, MAKES RATTLE OR SQUEAKING NOISES, MOVES SLOWLY AND IS INOPERATIVE. MODEL 2008-2014 VEHICLES AND TRUCKS. *PE
SB-07-02-32-002N2013-11-29. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. BUICK/CADILLAC/CHEVROLET/GMC/PONTIAC/ SATURN: THERE IS FLUID LEAKING FROM POWER STEERING SYSTEM, ALONG A FLUID LEAK IN FRONT OF VEHICLE UNDERNEATH AND SHOULD BE INSPECTED, CLEANED AND IDENTIFIED BEFORE REPAIRING OR REPLACING. MODEL 2010-14 LACROSSE, 2011-14 REGAL, 2007-14 ESCALADE, SUBURBAN, TAHOE, YUKON, YUKON XL, YUKON DENALI, YUKON DENALI XL, 2013-14 XTS, 2005-14 MALIBU, 2007-13 AVALANCHE, SILVERADO, SIERRA, 2006-10 G6, 2007-09 AURA. *PE
PIT-4954-C2013-08-06. Service bulletin. SUSPENSION. GM: IF THE SERVICE SUSPENSION SYSTEM IS DISPLAYED ON THE DIC, THE TRIM HEIGHT MAY BE INCORRECT, LOOSE COMPRESSOR INLET HOSE, OR THE COMPRESSOR SELF TEST MAY BE INOPERATIVE. ALSO INCLUDED SUBURBAN LD MY 2001-2013, YUKON DENALI XL MY 2013, YUKON XL LD 2001-2013 *JS
PIP-4158F2013-07-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: LOW ENGINE OIL PRESSURE, NO OIL PRESSURE, AND/OR ENGINE NOISE. THIS COULD BE THE RESULT OF A STICKING OIL PUMP PRESSURE RELIEF VALVE. *KB
SB12-08-132-001A2013-07-09. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM. GENERAL MOTORS: ON SOME TRUCKS AND PASSENGER VEHICLES, ACCESSORY POWER OUTLETS (APO) AND TRAILER LIGHTING ARE COMMON ACCESSED ELECTRICAL SYSTEMS THAT ARE AFFECTED BY DEVICES THAT ARE PLUGGED IN AND BECOME INOPERATIVE DUE TO AN OPEN FUSE AND NO PROBLEM WITH VEHICLE IDENTIFIED. MODELS YEARS 2010-2014 TRUCKS AND PASSENGER. NO MODELS. *PE
PIT-52062013-05-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ENGINE AND ENGINE COOLING:ENGINE; SERVICE BRAKES, HYDRAULIC. GENERAL MOTORS: OWNERS MAY COMPLAIN ABOUT UNWANTED BRAKING, OR REDUCED ENGINE POWER. THERE MAY ALSO BE SOME UP AND DOWN SHIFTS WITH THE TRANSMISSION. *KB UPDATED 10/15/14. *PE UPDATED 11/12/14. *PE
PIE-0225-B2012-12-10. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). CHEVROLET/GMC: THE 4WD FAILS TO ENGAGE WHEN SERVICE 4WD INDICATOR ILLUMINATES AND TRANSFER CASE CONTROL MODULE (TCCM) REPORTS POSSIBLE C0379 SET. MODELS 2012-2013 AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON, YUKON XL. *PE
PIT-51842012-12-10. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; ELECTRICAL SYSTEM. CADILLAC/CHEVROLET/GMC: WILL HAVE INOPERATIVE CRUISE CONTROL; INOPERATIVE OR UNWANTED ACTIVATION OF RADIO CONTROLS; BACKLIGHTING FLASHES, FLICKERS OR INOPERATIVE DUE TO POSSIBLE SHORT TO GROUND ON STEERING WHEEL COIL CONNECTOR X2. MODELS 2007-2013 ESCALADES MODELS, AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON MODELS. *PE
PIT-5120-A2012-11-29. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); TRACTION CONTROL SYSTEM; ELECTRONIC STABILITY CONTROL (ESC). GMC/CHEVROLET/CADILLAC: INSTRUMENT PANEL MESSAGES REGARDING STABILITRAK MESSAGE, TRACTION CONTROL MESSAGE, SERVICE BRAKE SYSTEM MESSAGE, IS OFF AND GAUGES, IN VARIOUS MODULES LOW SPEED SETTINGS, ARE INOPERATIVE. MODELS 2007-13 ALL ESCALADES; AVALANCHE, SILVERADO, SUBURBAN, TAHOE; SIERRA, ALL YUKONS AND DENALIS. *PE
PIT-51792012-11-28. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. CADILLAC/GMC/CHEVROLET: INFORMATION ON CRUISE CONTROL BEING INOPERATIVE DUE TO BPP CIRCUIT SIGNAL AND/OR TCC/CRUISE BRAKE PEDAL PARAMETERS, WHEN BRAKE PEDAL IS RELEASED BUT SHOWS APPLIED. MODELS 2007-2013 ALL ESCALADES, AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, ALL YUKONS. *PE
PIT-51812012-11-28. Service bulletin. SERVICE BRAKES, HYDRAULIC:PEDALS AND LINKAGES. CHEVROLET/GMC/CADILLAC: BRAKE PEDAL POSITION (BPP) SENSOR HAS RELATED ISSUES AFTER NORMAL DIAGNOSTICS, REGARDING CONNECTOR X205, TERMINAL CONCERN, CRUISE/BRAKE LIGHT OR SERVICE STABILITY MESSAGE OR REDUCED ENGINE POWER. MODELS 2012-2013 ALL ESCALADES, AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA AND ALL YUKONS. *PE
PIE-02292012-11-28. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. GMC/CADILLAC/CHEVROLET: HVAC SYSTEM, WHEN TURNED ON, IS VERY NOISY AND THERE IS A LACK OF AIRFLOW, THROUGH VENTS, DUE TO BLOWER MOTOR FAILING TO WORK PROPERLY. MODELS 2012-2013 ESCALADE, ESV, EXT; AVALANCHE, SILVERADO, SUBURBAN, TAHOE; SIERRA, YUKON, YUKON DENALI, YUKON XL, YUKON XL DENALI. *PE
PIE-02222012-09-24. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. GMC/CADILLAC/CHEVROLET: NO AIR IS FLOWING THROUGH HVAC VENTS BECAUSE OF AN INOPERATIVE BLOWER MOTOR. THE SITUATION IS INTERMITTENT. MODELS 2011-12 CADILLAC-ESCALADE, ESCALADE ESV & EXT; GMC-SIERRA, YUKON & XL, YUKON DENALI & XL DENALI; CHEVROLET-TAHOE, SUBURBAN, AVALANCHE & SILVERADO. *PE UPDATED 9/26/12. *PE
SB-121882012-09-24. Service bulletin. ENGINE; ELECTRICAL SYSTEM. CHEVROLET/GMC: STARTER MOTOR, ON CERTAIN SUVS, MAY WEAR THRU, AFTER CONTACT, WIRING INSULATION, WHICH CAUSES CIRCUIT CONDITION TO SHORT OUT. STARTER MOTOR BECOMES INOPERATIVE. MODELS 2013 CHEVROLET AVALANCHE, SILVERADO AND GMC SIERRA. *PE
PIT-5122-C2012-08-02. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL; EXTERIOR LIGHTING:BRAKE LIGHTS. GENERAL MOTORS: SERVICE STABILITY MESSAGE LOW POWER BRAKE LIGHT AND CRUISE CONTROL OPERATION- DTC C0161 AND/OR C0277. NEW FOR THE 2012 MODELS IS A DUAL BRAKE PEDAL POSITION (BPP) SENSOR (TWO SENSORS IN ONE). THE DUAL BPP REPLACES THE OLD STYLE OPEN/CLOSED BRAKE SWITCH WHICH HAS BEEN USED FOR YEARS. *JS MODELS 2012-13 ALL ESCALADES; AVALANCHE, EXPRESS, SILVERADO, SUBURBAN, TAHOE; SAVANA, SIERRA, ALL YUKONS AND DENALIS. UPDATED 11/28/12. *PE
PIT5074F2012-05-24. Service bulletin. ELECTRICAL SYSTEM. GM: J-35616-64B TERMINAL TEST PROBE AND REPLACEMENT TERMINAL. ALSO INCLUDED MODELS VERANO, REGAL, LACROSSE, CTS, SRX, VOLT, SONIC, MALIBU, IMPALA, EQUINOX, CRUZE, AVALANCHE, TAHOE SUBURBAN, SILVERADO, SIERRA, YUKON, AND TERRAIN FOR MODEL YEAR 2013. MODEL ESCALADE MODEL YEAR 2012-2013. MODEL PONTIAC G3 MODEL YEAR 2007. MODEL WAVE MODEL YEARS 2005-2010. DENALI MODELS MODEL YEARS 2007-2013. *JS

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