2012 Chevrolet Avalanche TSBs
11 Avalanche 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 Avalanche problems. Interested in how this information is collected? Read more about TSBs.
Recent 2012 Avalanche 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: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
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
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