2012 Chevrolet Tahoe TSBs
15 Tahoe Technical Service Bulletins
Technical Service Bulletins, or TSBs for short, are notifications made directly by Chevrolet to help automotive technicians diagnose and repair commonly reported Tahoe problems. Interested in how this information is collected? Read more about TSBs.
Recent 2012 Tahoe TSBs
STEERING
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Description: GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS
STEERING:HYDRAULIC POWER ASSIST:PUMP
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Description: GENERAL MOTORS: RESERVOIR FOR POWER STEERING FLUID IS HEAT DAMAGED AND LEAKING. MAY CAUSED PROBLEMS WITH POWER STEERING PUMP. *PE
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
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Description: 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
STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID
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Description: GENERAL MOTORS: RESERVOIR FOR POWER STEERING FLUID IS HEAT DAMAGED AND LEAKING. MAY CAUSED PROBLEMS WITH POWER STEERING PUMP. *PE
ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSE
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Description: 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
FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM
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Description: 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
POWER TRAIN:AUTOMATIC TRANSMISSION
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Description: 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
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM, PCM)
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Description: 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 U007
ELECTRICAL SYSTEM
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Description: SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES. RADIO DISPLAY MAY BE INOPERATIVE OR FLICKER - EXPIRES WITH BASE WARRANTY. *KB
ELECTRICAL SYSTEM:FUSES AND CIRCUIT BREAKERS
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Description: GM: THE SERVICE STABILITRAK MESSAGE BEING DISPLAYED IN DIC. THE STABILITRAK INDICATOR LIGHT MAY ALSO BE ON. *JS
VISIBILITY:DEFROSTER/DEFOGGER SYSTEM:WINDSHIELD:BLOWER
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Description: 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
AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE
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Description: 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 MO
SEATS
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Description: SEAT RATTLE AND/OR HARD TO LATCH AND UNLATCH, POWER RELEASE FOLD AND TUMBLE NOT FULLY FUNCTIONING. *KB
SEATS:FRONT ASSEMBLY:POWER ADJUST
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Description: SEAT RATTLE AND/OR HARD TO LATCH AND UNLATCH, POWER RELEASE FOLD AND TUMBLE NOT FULLY FUNCTIONING. *KB
EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
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Description: SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES. RADIO DISPLAY MAY BE INOPERATIVE OR FLICKER - EXPIRES WITH BASE WARRANTY. *KB