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Service bulletins for the 2012 Chevrolet Tahoe

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.

1746 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
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
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
12-08-64-0022012-08-02. Service bulletin. LATCHES/LOCKS/LINKAGES. GENERAL MOTORS: REAR DOOR HANDLE, LATCH, LOCK INOPERATIVE, BINDING WILL NOT OPEN, WILL NOT RELEASE INTERMITTENTLY (PERFORM REPAIRS AS OUTLINED). THIS MAYBE CAUSED BY THE OUTSIDE DOOR HANDLE ROD CONTACTING THE DOOR UNDER CERTAIN CONDITIONS, CAUSING A BIND CONDITION. *JS MODEL 2006-11 HHR. 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
PI0522B2012-05-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GM: TICK OR RATTLE NOISE FROM FRONT OF DASH, TRANSMISSION FILLER TUBE CRACKED OR BROKEN (INSPECT FILLER TUBE, REPLACE TUBE AS NECESSARY). *JS UPDATED 05/3/2013 *JS
SB-120192012-05-01. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM. SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES. RADIO DISPLAY MAY BE INOPERATIVE OR FLICKER - EXPIRES WITH BASE WARRANTY. *KB
SB-07-08-50-022B2012-05-01. Service bulletin. SEATS:FRONT ASSEMBLY:POWER ADJUST; SEATS. SEAT RATTLE AND/OR HARD TO LATCH AND UNLATCH, POWER RELEASE FOLD AND TUMBLE NOT FULLY FUNCTIONING. *KB
PI-06952012-05-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. GM: DIAGNOSE AND REPAIR HVAC BLOWER FUNCTION. MAY NOT BE ANY AIR FLOW FROM THE HVAC VENTS. ONE POSSIBLE OF THIS CONDITION MAY BE THE CONTACTS IN THE HVAC JUNCTION BLOCK(S) LOCATED AT THE RIGHT SIDE OF THE INSTRUMENTAL PANEL. *JS UPDATED 1/24/13. *PE
PI0639A2012-05-01. Service bulletin. STEERING; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS UPDATED ON 7/9/2013. *KB
12-02-32-0012012-04-30. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS. GMC: HYDRAULIC POWER STEERING LEAK AT HOSE CONNECTION TO STEERING RACK. ALL POTENTIAL LEAKS SHOULD BE COMPLETELY CLEANED AND INDENTIFIED BEFORE ATTEMPTING TO REPAIR OR REPLACE ANY POWER STEERING COMPONENTS. *JS UPDATED 4/22/13. *PE
11-09-41-002C2012-04-30. Service bulletin. AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE. GM: AIR BAG WARNING LAMP ILLUMINATED, REPEAT HISTORY DTC B0083 0F- B0088 0F ON VEHICLES OPERATED IN AMARILLO TEXAS AREA. AN UPDATED SOFTWARE CALIBRATION HAS BEEN RELEASED TO ADDRESS THIS CONDITION. ALSO INCLUDED IN MODELS YEARS 2010-2012 MODEL:CADILLAC ESCALADE HYBRID; CHEVROLET SILVERADO HYBRID; CHEVROLET TAHOE HYBRID;GMC SIERRA DENALI; GMC SIERRA HYBRID;GMC YUKON HYBRID; GMC YUKON DENALI HYBRID. *JS
08-07-30-021G2012-04-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). GM: LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IP GAGE FLUCTUATION, INTERMITTENT DOOR LOOK CYCLING, INTERMITTENT CHIME OPERATION, VARIOUS IP WARNING LAMPS ILLUMINATED, TRANSMISSION MAY NOT SHIFT, COMMUNICATION DTCS U0073, U0100, U0101, U0102 U0121 OR U0140 SET (REPAIR TERMINALS IN TRANSMISSION HARNESS CONNECTOR, REPAIR OPEN OR SHORTED GM HIGH SPEED LAN CIRCUITS, OPEN OR SHORTED DATA LINK RESISTOR, CORROSION OR POOR CONNECTIONS IN VARIOUS CONTROL MODULE CONNECTORS). *JS
PI-06712012-04-17. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP; STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. GENERAL MOTORS: RESERVOIR FOR POWER STEERING FLUID IS HEAT DAMAGED AND LEAKING. MAY CAUSED PROBLEMS WITH POWER STEERING PUMP. *PE
PI-06582012-04-13. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. CHEVROLET/BUICK/GMC/CADILLAC: FUEL GAUGE HAS AN INCORRECT READING AFTER FILLING OR FUEL LEVEL SLOW TO REGISTER OR DISPLAY AFTER VEHICLE HAS STARTED. *PE
PIP-3366-B2012-02-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE COMING FROM AUTOMATIC TRANSMISSION WHEN SHIFTING INTO PARK WHILE IN 4WD LOW (4LO) RANGE. *PE
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
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
PIT-4816A2010-03-15. Service bulletin. ELECTRICAL SYSTEM. CHEVROLET/GMC/CADILLAC: MULTIPLE ELECTRICAL CONCERNS WITH DTC C0900 - KEYWORDS BATTERY C/K CABLE CLOCK CRANK CYCLE DOOR DIMMING FLICKER GAGE GAUGE GMC HVAC INOP INOPERATIVE INSTRUMENT INTERMITTENT IPC LOCK NO PANEL POWER RADIO STALL START TEMPERATURE. *PE UPDATED 3/28/11. MODEL YRS 2007-2009. *PE UPDATED ON 6/27/2011 ADDED MODEL YRS 2010-2011. *KB MODEL YEARS ADDED 2012, 2013, AND 2014. UPDATED 12/2/2013*JS
PIP-46862010-03-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET/CADILLAC/GMC: HYBRID DRIVEABILITY OR CUSTOMER CONCERNS OF FLARE, SLIP, STALL AT A STOP, SURGE, LACK OF POWER, POOR FUEL ECONOMY, REDUCED EV RANGE/LIMITED ELECTRIC PROPULSION, DTC P061B AFTER CAMPAIGN 09102B OR DTC P061B PRIOR TO CAMPAIGN. *PE UPDATED 3/14/11. *PE UPDATED 12/4/2013 *JS
08-04-19-0042008-11-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. GMC: CORRECT FRONT AXLE VENT HOSE ROUTING. THE FRONT AXLE VENT HOSE IS MOUNTED IN THE LEFT SIDE OF THE ENGINE COMPARTMENT, AND MAY NOT BE CORRECTLY ROUTED. *PE UPDATED ON 5/1/2012. *KB

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