Technical Service Bulletins (TSBs) for the 2011 Silverado 2500 are official communications between Chevrolet & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT ADDING STEERING STABILIZER SHOCK. A STEERING STABILIZER IS LISTED IN THE PARTS CATALOG GROUP 6. Read More »
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. Read More »
CHEVROLET/GMC: SOME VEHICLES MAY EXPERIENCE FLUID LEAKING FROM FRONT DRIVE AXLE AREA. AFTER INSPECTION, PROBLEM FOUND TO BE PINION SEAL LEAKING. *PE Read More »
BUICK/CADILLAC/CHEVROLET/GMC: DURING EXTREME LOW TEMPERATURE CONDITIONS, THE POWER STEERING MAKES NOISES OR FLUID LEAKS FROM HIGH PRESSURE HOSE, POWER STEERING PUMP OR GEAR. *PE UPDATED 9/30/13. *PE UPDATED 11/7/14. Read More »
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. Read More »
BUICK/CADILLAC/CHEVROLET/GMC: DURING EXTREME LOW TEMPERATURE CONDITIONS, THE POWER STEERING MAKES NOISES OR FLUID LEAKS FROM HIGH PRESSURE HOSE, POWER STEERING PUMP OR GEAR. *PE UPDATED 9/30/13. *PE UPDATED 11/7/14. Read More »
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
BUICK/CADILLAC/CHEVROLET/GMC: DURING EXTREME LOW TEMPERATURE CONDITIONS, THE POWER STEERING MAKES NOISES OR FLUID LEAKS FROM HIGH PRESSURE HOSE, POWER STEERING PUMP OR GEAR. *PE UPDATED 9/30/13. *PE UPDATED 11/7/14. Read More »
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. Read More »
STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID
BUICK/CADILLAC/CHEVROLET/GMC: DURING EXTREME LOW TEMPERATURE CONDITIONS, THE POWER STEERING MAKES NOISES OR FLUID LEAKS FROM HIGH PRESSURE HOSE, POWER STEERING PUMP OR GEAR. *PE UPDATED 9/30/13. *PE UPDATED 11/7/14. Read More »
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. Read More »
"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE STEERING GEAR FOR A NORMAL CONDITION OF GREASE OR SEALANT ON EXTERIOR CASE OF GEAR DUE TO THE MANUFACTURING PROCESS." Read More »
GM: THE VEHICLE LEANS OR THERE IS A CLUNK NOISE IN THE FRONT SUSPENSION. THE TORSION BAR ADJUSTER ARM MAY BE FRACTURED. 2011 SILVERADO/SIERRA. *RM Read More »
CHEVROLET/GMC: A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY DIAGNOSE THE NOISE COMING FROM THE REAR SUSPENSION LEAF SPRING AREA. *PE UPDATED 6/30/2011. Read More »
CHEVROLET/GMC: A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. UPON FURTHER INVESTIGATION, THE TECHNICIAN MAY DIAGNOSE THE NOISE COMING FROM THE REAR SUSPENSION LEAF SPRING AREA. *PE UPDATED 6/30/2011. Read More »
CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON SOME 2011-2012 TRUCKS, A GRINDING NOISE AND VIBRATION WOULD BE NOTICEABLE DUE TO THE REAR AXLE RIGHT HAND SIDE BEARING ADJUSTER CLIP AND BOLT MAY COME LOOSE INSIDE OF ... Read More »
12050C - CUSTOMER SATISFACTION PROGRAM (REVISED EXPIRATION DATE, EXTENDED TO 4/30/16). CERTAIN 2011-2012 MODEL YEAR CHEVROLET EXPRESS AND GMC SAVANA VEHICLES, AND CHEVROLET SILVERADO AND SUBURBAN, AND GMC SIERRA AND YUKON XL 2500 SERIES ... Read More »
GMC/CHEVROLET: DUE TO A POSSIBLE CRACKED OR BROKEN, THE HUB RETAINING NUT, THE REAR AXLE MAY LEAK FLUID. *PE MODELS 2011-2012 SILVERADO HD 2500 AND 3500, SIERRA HD 2500 AND 3500. UPDATED 11/28/12. Read More »
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. Read More »
GENERAL MOTORS: HYBRID BRAKE NOISE OR VIBRATION. BRAKES GROAN OR THUMP NOISES DURING BRAKING; BRAKE PEDAL PUSHBACK OR VIBRATION THAT MAY RESEMBLE A PULSATION AS THE VEHICLE COMES TO A STOP; A SLIGHT DROP IN THE BRAKE PEDAL WHEN COMING TO ... Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
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. Read More »
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. Read More »
PARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES. Read More »
CONDITION Certain 2010-2016 model year Chevrolet Express, GMC Savana, 2011-2013 model year Chevrolet Silverado HD, 2015-2016 model year Chevrolet Silverado HD, 2011-2012 model year GMC Sierra HD, 2015 model year GMC Sierra HD ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A COLD ENGINE TICK NOISE FOR 50 SECONDS AT START UP. Read More »
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. Read More »
15114 - SPECIAL COVERAGE. ON SOME 2010-2012 MODEL YEAR CHEVROLET SILVERADO HD AND GMC SIERRA HD OR 2011-2012 CHEVROLET EXPRESS AND GMC SIERRA HD VEHICLES EQUIPPED WITH A 6. Read More »
14652 - SPECIAL COVERAGE. ON SOME 2010-2012 MODEL YEAR CHEVROLET EXPRESS AND GMC SAVANA VEHICLES AND 2011-2012 MODEL YEAR CHEVROLET SILVERADO HD AND GMC SIERRA HD VEHICLES THAT ARE EQUIPPED WITH A 6. Read More »
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. Read More »
13386A - SPECIAL COVERAGE (REVISED WARRANTY TRANSACTION INFORMATION). ON SOME VEHICLES EQUIPPED WITH A 6.6L DIESEL ENGINE (RPO LGH) AND VEHICLES EQUIPPED WITH A 6. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A SERVICE ENGINE SOON LAMP, ENGINE MISFIRE ON CYLINDER 1, 4, 6, OR 7 AND/OR TICK NOISE. Read More »
GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. Read More »
GMC/CHEVROLET: SOME VEHICLES/TRUCKS MAY EXPERIENCE A NO CRANKING OR STARTING, CAUSED BY POSSIBLE EXCESSIVE LEAKAGE FROM CYLINDER PAST EXHAUST OR INTAKE VALVE, LOW STATIC COMPRESSION, SENSOR IS DISCONNECTED, OR WHILE CRANKING, VALVE TRAIN ... Read More »
CHEVROLET/GMC: AFTER COLD STARTING ENGINE AND PLACING IN GEAR, WOULD HAVE A ROUGH IDLE AND/LACK OF POWER, MOMENTARILY BEFORE STARTUP A FEW MINUTES LATER. MODELS 2009-2013 EXPRESS, SILVERADO, SUBURBAN, SAVANA, SIERRA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE LOW OIL PRESSURE MESSAGE. TECHNICIAN MAY ALSO FIND A DIAGNOSTIC TROUBLE CODE P0521 IN THE ENGINE CONTROL MODULE. Read More »
THIS INFORMATIONAL BULLETIN EXPLAINS A POSSIBLE NORMAL WHINING NOISE FROM THE BALANCE SHAFT CHAIN IF THE VEHICLE HAS LESS THAN 10,000 MILES ON IT. Read More »
GM: GAUGE FLUCTUATION, VARIOUS DTCS, AND THE WIRING HARNESS MAY BE CHAFING/RUBBING ON A/C LINE. *JS UPDATED 5/22/12. *JS UPDATED 2/5/16. *PE Read More »
GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN SHORTING OF WIRES, OVER HEATING SYSTEM, ELECTRICAL FAILURE AND COMPARTMENT ENGINE FIRES. Read More »
GENERAL MOTORS: TROUBLE MOVING THE VEHILCE IN FORWARD OR REVERSE. THIS COULD BEGIN TO HAPPEN AFTER THE REPLACEMENT OF THE SPIN-ON OIL FILTER. DTC CODES P0701, P0729, P0731, P0732, P0733, P0734, P0735, P0751, P0756, P0761, P0877 OR P2723. Read More »
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 Read More »
GM: DIAGNOSIS AND REPAIR- MALFUNCTION INDICATOR LAMP ILLUMINATED, REDUCE ENGINE POWER MESSAGE DISPLAYED, DTC P2135 SET. ALSO INCLUDED MODEL SIERRA DENALI YEAR 2010-2011 *JS Read More »
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. Read More »
CADILLAC/CHEVROLET/GMC: ON RARE OCCASIONS, A VEHICLE MAY STALL AND A SES LIGHT MAY SET ACCOMPANIED BY ONE OR ALL OF THE FOLLOWING CODES, P061B; P0AFA; P0BBD. Read More »
THIS INFORMATIONAL BULLETIN EXPLAINS THE USE OF DIESEL FUEL ADDITIVES IN AN ENGINE, ARE NOT REQUIRED UNLESS THE CUSTOMER DESIRES ADDITIVES TO PREVENT FUEL CONCERNS DEPENDING ON FUEL OR TEMPERATURE RELATED CONDITIONS. Read More »
THIS INFORMATIONAL BULLETIN IS A SUPPLEMENT TO THE DURAMAX DIESEL COOLANT SYSTEM FILL AND HEAD GASKET REPLACEMENT PROCEDURE FOUND IN THE SERVICE INFORMATION. Read More »
GMC/CHEVROLET: TO ASSIST ENGINEERING PRODUCT FEEDBACK, PARTS FOR DURAMAX DIESEL ENGINE, HAS BEEN PLACED ON RESTRICTIONS, BY PRODUCT QUALITY CENTER (PQC). MODEL 2010-16 DURAMAX. *PE Read More »
GENERAL MOTORS: SERVICE ENGINE SOON LIGHT ILLUMINATED ON DASH. THERE MAY ALSO BE INCREASED ENGINE NOISE, OR POSSIBLE HIGHER RPM SHIFTS, AND REDUCED A/C PERFORMANCE. *KB Read More »
GMC/CHEVROLET: THERE MAY BE AN ACCUMULATION OF DIESEL PARTICULATE FILTER SOOT LEVEL FOUND WHEN A DIAGNOSTIC SYSTEM CHECK IS PERFORMED AND MAY BE CAUSED BY ENGINE CONTROL MODULE (ECM) WITH A REDUCED ENGINE POWER MESSAGE. Read More »
GM: THERE IS A DIESEL FUEL WARNING MESSAGE DISPLAYED OR THE MESSAGE WILL NOT RESET IN COLD WEATHER. *RM UPDATED 6/14/11. *PE UPDATED ON 6/27/2011. *KB Read More »
GM: THERE MAY BE A FUEL SMELL WHEN DRIVING THE VEHICLE. THERE MAY ALSO BE AN EXHAUST LEAK OR RATTLE NOISE. *RM UPDATED 9/10/12. *PE UPDATED 05/3/2013 *JS UPDATED 1/6/14. *PE UPDATED 2/3/16. Read More »
GM: GAUGE FLUCTUATION, VARIOUS DTCS, AND THE WIRING HARNESS MAY BE CHAFING/RUBBING ON A/C LINE. *JS UPDATED 5/22/12. *JS UPDATED 2/5/16. *PE Read More »
CHEVROLET/GMC: RADIATOR HOSE CONTACT. BULLETIN PROVIDES SERVICE PROCEDURE TO INSTALL PROTECTIVE SLEEVE OVER RADIATOR HOSE ON CERTAIN MODEL VEHICLES. Read More »
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 Read More »
15801 ? CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE DURAMAX DIESEL ENGINE OPTION AND THE AMBULANCE UPFITTER OR FIRE TRUCK UPFITTER OPTION MAY HAVE A CONDITION IN WHICH THE EMISSION CONTROL SYSTEM AS DESIGNED WILL LIMIT ... Read More »
GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. THE FUEL INJECTION SYSTEM MAY NOT OPERATE AS INTENDED. IF THIS OCCURS THE MALFUNCTION LIGHT MAY ILLUMINATE, AND VEHICLE SPEED COULD BE LIMITED. *RM UPDATED 10/4/11. Read More »
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. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE)
GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER. MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. Read More »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:MANIFOLD/HEADER/MUFFLER/TAIL PIPE
GM: THERE MAY BE A FUEL SMELL WHEN DRIVING THE VEHICLE. THERE MAY ALSO BE AN EXHAUST LEAK OR RATTLE NOISE. *RM UPDATED 9/10/12. *PE UPDATED 05/3/2013 *JS UPDATED 1/6/14. *PE UPDATED 2/3/16. Read More »
CHEVROLET/GMC: AT HIGH PRESSURE PUMP TO HIGH PRESSURE FUEL LINES THERE ARE SIGNS OF FUEL LEAKAGE AND/OR FUEL ODOR. *PE UPDATED ON 5/2/2012. *KB Read More »
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
CHEVROLET/GMC: AT HIGH PRESSURE PUMP TO HIGH PRESSURE FUEL LINES THERE ARE SIGNS OF FUEL LEAKAGE AND/OR FUEL ODOR. *PE UPDATED ON 5/2/2012. *KB Read More »
GM: DURAMAX DIESEL HARD START, NO START, OR DTC P0087 INJECTION PUMP REPLACEMENT. NORMAL SI DIAGNOSTICS MAY BE INCONCLUSIVE OR LEAD TO A FUEL INJECTION PUMP REPLACEMENT. *JS UPDATED 11/12/14. Read More »
GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. Read More »
14653 - SPECIAL COVERAGE. SOME 2010-2014 MODEL YEAR CHEVROLET EXPRESS, 2011-2014 MODEL YEAR CHEVROLET SILVERADO HD, 2010-2014 MODEL YEAR GMC SAVANA AND 2011-2014 MODEL YEAR GMC SIERRA HD VEHICLES EQUIPPED WITH A 6. Read More »
GM: SERVICE ENGINE SOON LIGHT IS ON AND THERE IS AN EXHAUST FLUID MESSAGE DISPLAYED. THIS MAY BE CAUSED BY A PREVIOUS FUEL TANK REPAIR. *RM Read More »
GM: GAUGE FLUCTUATION, VARIOUS DTCS, AND THE WIRING HARNESS MAY BE CHAFING/RUBBING ON A/C LINE. *JS UPDATED 5/22/12. *JS UPDATED 2/5/16. *PE Read More »
GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. Read More »
GMC/CHEVROLET: AT BOTTOM OF FLYWHEEL HOUSING, A LEAK IS FOUND, CAUSING A FUEL ODOR, DUE TO HIGH PRESSURE PUMP TO HIGH PRESSURE LINE FITTING OR FUEL RAIL CONNECTION. 2010-2015 EXPRESS, SIERRA, SAVANA, SILVERADO. Read More »
GM: SOME VEHICLES MAY DISPLAY ON THE DRIVER INFORMATION CENTER (DIC) "TRANSMISSION HOT- IDLE ENGINE". DTC U0101 MAY BE SET. MIL MAY BE ILLUMINATED. *JS Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPLACE A TERMINAL FOR COMMENTS REGARDING INSTRUMENT PANEL CLUSTER (IPC) WARNING LAMPS AND/OR MIL ARE ILLUMINATED, DIESEL EXHAUST FLUID (DEF) MESSAGE DISPLAYED, VARIOUS DTCS ... Read More »
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. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A SERVICE ENGINE SOON LAMP, ENGINE MISFIRE ON CYLINDER 1, 4, 6, OR 7 AND/OR TICK NOISE. Read More »
GM: MULTIPLE WARNING LIGHTS MAY BE ILLUMINATED AND MULTIPLE TROUBLE CODES. THE TRANSMISSION MIGHT NOT SHIFT. *RM UPDATED 8/1/11. *PE MODELS 2011-2013 SILVERADO 2500HD, 3500HD; SIERRA 2500HD, 3500HD. UPDATED 12/5/12. Read More »
CADILLAC/CHEVROLET/GMC: IF TRANSMISSION DIPSTICK TUBE BECOMES FATIGUE AND FRACTURE, WHILE IN AFM MODE, IT CAUSES A TICKING OR RATTLING NOISE FROM FRONT OF VEHICLE, WHEN ENGINE VIBRATES. Read More »
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. Read More »
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 Read More »
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. Read More »
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 Read More »
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 ... Read More »
GMC/CHEVROLET: BULLETIN PROVIDES INFORMATION ON THE SEAL REVISION AND THE TRANSFER CASE OUTPUT SHAFT SLINGER FOR CERTAIN MODEL YEAR TRUCKS. *PE Read More »
CHEVROLET/GMC: THE ENGINE, WHILE DRIVING UP AN INCLINE, WITH A LOAD, AT 1350 RPM, WOULD EXPERIENCE AN EXHAUST RESONANCE VIBRATION, OR DRONING OR BUZZING TYPE NOISE, IN A HIGHER GEAR UNDER A LOAD CAUSING PULSING/FIRING THROUGH DRIVELINE. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CHECK THE CYLINDERS FOR DAMAGED PISTONS AND DETERMINE IF THE USE OF AFTERMARKET CALIBRATIONS OR PERFORMANCE PARTS MAY BE THE CAUSE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT THE USE OF J-35616-64B TERMINAL TEST PROBE, REPLACEMENT TERMINALS, AND TERMINATED LEADS. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REMOVE THE TRANSPORT MODE ON MESSAGE DISPLAYED IN THE DIC DUE TO VEHICLES SHIPPED OVER LONG DISTANCES OUTSIDE THE U.S. AND CANADA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE THE CONCERN, AND THE STEPS TO REPAIR THE CONCERN OF THE VEHICLE CRANKS BUT DOES NOT START. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
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 ... Read More »
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 ... Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPLACE A TERMINAL FOR COMMENTS REGARDING INSTRUMENT PANEL CLUSTER (IPC) WARNING LAMPS AND/OR MIL ARE ILLUMINATED, DIESEL EXHAUST FLUID (DEF) MESSAGE DISPLAYED, VARIOUS DTCS ... Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A LIST OF CORRECTIONS FOR MULTIPLE CONCERNS REGARDING UNEXPECTED LOSS OF RADIO AUDIO (RADIO GOES SILENT/NO SOUND) AND OTHER BLACKBERRY PHONE - BLUETOOTH ... Read More »
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. Read More »
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. Read More »
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 ... Read More »
GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. Read More »
GENERAL MOTORS: DUE TO THE PARASITIC DRAIN/DISCHARGE ON 2011 VEHICLES AND TRUCKS, A NO CRANK/NO START AND DEAD BATTERY WOULD OCCUR. CADILLAC STS AND CHEVROLET VOLT NOT INCLUDED. *PE Read More »
GENERAL MOTORS: DUE TO THE PARASITIC DRAIN/DISCHARGE ON 2011 VEHICLES AND TRUCKS, A NO CRANK/NO START AND DEAD BATTERY WOULD OCCUR. CADILLAC STS AND CHEVROLET VOLT NOT INCLUDED. *PE Read More »
CADILLAC/CHEVROLET/GMC: ON RARE OCCASIONS, A VEHICLE MAY STALL AND A SES LIGHT MAY SET ACCOMPANIED BY ONE OR ALL OF THE FOLLOWING CODES, P061B; P0AFA; P0BBD. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE USEFUL ON DIAGNOSING BATTERIES THAT HAVE SET FOR A LONG PERIOD OF TIME AND/OR SET IN COLD WEATHER CLIMATES AND TESTING THOSE BATTERIES. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY. Read More »
CADILLAC/CHEVROLET/GMC: LOSS OF PROPULSION, WHEN SPEED IS LESS THAN 5 KM/H (3MPH), SERVICE HYBRID SYSTEM IS DISPLAYED IN DRIVER INFORMATION CENTER (DIC) AND MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATES. Read More »
GMC/CHEVROLET: SEE DOCUEMTN SEARCH BUTTON FOR OWNER LETTER. AUXILIARY BATTERY FEED MAY CAUSE FUSIBLE LINK TO MELT AND OPEN CIRCUIT TO PREVENT DAMAGE OR FIRE IN WIRING HARNESS, DUE TO ELECTRICAL OVER LOAD. Read More »
GMC/CHEVROLET: SEE DOCUEMTN SEARCH BUTTON FOR OWNER LETTER. AUXILIARY BATTERY FEED MAY CAUSE FUSIBLE LINK TO MELT AND OPEN CIRCUIT TO PREVENT DAMAGE OR FIRE IN WIRING HARNESS, DUE TO ELECTRICAL OVER LOAD. Read More »
GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. Read More »
GENERAL MOTORS: DUE TO THE PARASITIC DRAIN/DISCHARGE ON 2011 VEHICLES AND TRUCKS, A NO CRANK/NO START AND DEAD BATTERY WOULD OCCUR. CADILLAC STS AND CHEVROLET VOLT NOT INCLUDED. *PE Read More »
GENERAL MOTORS: DUE TO THE PARASITIC DRAIN/DISCHARGE ON 2011 VEHICLES AND TRUCKS, A NO CRANK/NO START AND DEAD BATTERY WOULD OCCUR. CADILLAC STS AND CHEVROLET VOLT NOT INCLUDED. *PE Read More »
15114 - SPECIAL COVERAGE. ON SOME 2010-2012 MODEL YEAR CHEVROLET SILVERADO HD AND GMC SIERRA HD OR 2011-2012 CHEVROLET EXPRESS AND GMC SIERRA HD VEHICLES EQUIPPED WITH A 6. Read More »
GM-EXPRESS/SILVERADO/SAVANA/SIERRA: DUE TO POOR CONNECTIONS AND INTERMITTENT CONDITION OF MAP SENSOR CONNECTOR WIRING HARNESS TERMINAL CRIMPS, TRUCKS HAVE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION AND REDUCED ENGINE POWER DISPLAY ... Read More »
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 Read More »
ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2010-2011 CHEVROLET EXPRESS AMD GMC SAVANA W/6. Read More »
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 ... Read More »
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 ... Read More »
GM: THERE MAY BE MULTIPLE ELECTRICAL ISSUES SUCH AS: NO START, STARTER STAYS ENGAGED, FOG LAMPS WON'T TURN ON, WASHING FLUID NOT SPRAYING, PARK AND REVERSE LIGHTS STAY ON, BATTERY GOES DEAD, AND A BUZZ NOISE UNDERNEATH THE DASH. Read More »
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. Read More »
GM: MULTIPLE WARNING LIGHTS MAY BE ILLUMINATED AND MULTIPLE TROUBLE CODES. THE TRANSMISSION MIGHT NOT SHIFT. *RM UPDATED 8/1/11. *PE MODELS 2011-2013 SILVERADO 2500HD, 3500HD; SIERRA 2500HD, 3500HD. UPDATED 12/5/12. Read More »
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. Read More »
CONDITION Certain 2010-2016 model year Chevrolet Express, GMC Savana, 2011-2013 model year Chevrolet Silverado HD, 2015-2016 model year Chevrolet Silverado HD, 2011-2012 model year GMC Sierra HD, 2015 model year GMC Sierra HD ... Read More »
GM: LOW BEAM HEADLAMP BULB DIAGNOSIS/ REPLACEMENT (INSPECT BULB AND CONNECTOR). DO NOT REPLACE THE ENTIRE HEADLAMP ASSEMBLY FOR THIS CONDITION. REPLACE THE BULB AND INSPECT THE CONNECTOR. *JS UPDATED 4/7/15. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A NORMAL CONDITION ON TEMPERED GLASS OF SPOTS SHOWING ON THE REAR AND SIDE WINDOWS WHEN THE VEHICLE IS IN THE SUNLIGHT. Read More »
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. Read More »
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. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE FOR RELEARNING THE POWER FOLDING MIRRIORS AND ROAD TESTIN TO VERIFY THEY CORRECT A CONDTION OF THE POWER FOLDING MIRRIORS GLASS SHAKES, FLUTTERS AT NORMAL DRIVING CONDITIONS. Read More »
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. Read More »
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 Read More »
CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODEL VEHICLES, A CONDITION WHERE ROOF RAIL AIRBAGS, MAY BEEN IMPROPERLY ROUTED ON RIGHT SIDE, RESULTING IN DEPLOYMENT. Read More »
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. Read More »
CHEVROLET/GMC: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON CERTAIN MODEL VEHICLES, A CONDITION WHERE ROOF RAIL AIRBAGS, MAY BEEN IMPROPERLY ROUTED ON RIGHT SIDE, RESULTING IN DEPLOYMENT. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE TO REPOSITION THE FRONT SEAT BELT LATCH PLATE FOR CONCERNS REGARDING THE SEAT BELT WEBBING OR LATCH PLATE COMING TWISTED. Read More »
GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. Read More »
GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE. BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE FOR RELEARNING THE POWER FOLDING MIRRIORS AND ROAD TESTIN TO VERIFY THEY CORRECT A CONDTION OF THE POWER FOLDING MIRRIORS GLASS SHAKES, FLUTTERS AT NORMAL DRIVING CONDITIONS. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
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. Read More »
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. Read More »
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 Read More »
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. Read More »
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. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THIS VIBRATION OR GROWL NOISE CAN BE DIFFICULT TO DIAGNOSE AND USING THE PICO SCOPE IS RECOMMENDED FOR DIAGNOSING THIS CONCERN. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THIS VIBRATION OR GROWL NOISE CAN BE DIFFICULT TO DIAGNOSE AND USING THE PICO SCOPE IS RECOMMENDED FOR DIAGNOSING THIS CONCERN. Read More »
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. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT ADDING STEERING STABILIZER SHOCK. A STEERING STABILIZER IS LISTED IN THE PARTS CATALOG GROUP 6. Read More »
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. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE PROPELLER SHAFT WITH A REVISED PART WHEN A BROKEN PROPELLER SHAFT OR U-JOINT IS FOUND. Read More »
15801 ? CUSTOMER SATISFACTION PROGRAM. VEHICLES EQUIPPED WITH THE DURAMAX DIESEL ENGINE OPTION AND THE AMBULANCE UPFITTER OR FIRE TRUCK UPFITTER OPTION MAY HAVE A CONDITION IN WHICH THE EMISSION CONTROL SYSTEM AS DESIGNED WILL LIMIT ... Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION THAT MAY BE HELPFUL WHEN ADDRESSING UNDERBODY COMPONENT CORROSION WITH CUSTOMERS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE DIESEL OXIDATION CONVERTER PART RESTRICTION HAS ENDED. DEALER CAN NOW ORDER THE PARTS THROUGH THE REGULAR CUSTOMER CARE AND AFTERSALES PARTS PROCESS. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A PROCEDURE FOR RELEARNING THE POWER FOLDING MIRRIORS AND ROAD TESTIN TO VERIFY THEY CORRECT A CONDTION OF THE POWER FOLDING MIRRIORS GLASS SHAKES, FLUTTERS AT NORMAL DRIVING CONDITIONS. Read More »
CADILLAC/CHEVROLET/GMC: IF TRANSMISSION DIPSTICK TUBE BECOMES FATIGUE AND FRACTURE, WHILE IN AFM MODE, IT CAUSES A TICKING OR RATTLING NOISE FROM FRONT OF VEHICLE, WHEN ENGINE VIBRATES. Read More »
GM: THE CARPET IS CURLING AT THE TOP FRONT EDGE. THE CARPET WAS FOLDED PRIOR TO INSTALLATION AND WHEN INSTALLED IT CURLS BACK UP. 2007-2012 SILVERADO/SIERRA. *RM Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO DIAGNOSE THE CONCERN AND THE STEPS TO REPAIR THE CONCERN. THE VEHICLE'S XM TRAVEL LINK MAY BE INOPERTIVE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. Read More »
GM-EXPRESS/SILVERADO/SAVANA/SIERRA: DUE TO POOR CONNECTIONS AND INTERMITTENT CONDITION OF MAP SENSOR CONNECTOR WIRING HARNESS TERMINAL CRIMPS, TRUCKS HAVE A MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION AND REDUCED ENGINE POWER DISPLAY ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN. THE VEHICLE'S XM RADIO ONLY HAS XM PREVEIW CHANNELS. Read More »
"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR? TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO ... Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES A LIST OF CORRECTIONS FOR MULTIPLE CONCERNS REGARDING UNEXPECTED LOSS OF RADIO AUDIO (RADIO GOES SILENT/NO SOUND) AND OTHER BLACKBERRY PHONE - BLUETOOTH ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF RECEIVING FREQUENT "OFF ROUTE" MESSAGES WHILE FOLLOWING TURN BY TURN (TBT) ROUTE NAVIGATION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
"THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO CONTACT ONSTAR FOR HARD MUTE REQUEST TO CORRECT A CUSTOMER CONCERN WHEN THE RADIO IS ON, IT DOES NOT MUTE ENOUGH WHEN THE ONSTAR? TURN-BY-TURN NAVIGATION DIRECTIONS ARE ANNOUNCED DUE TO ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS FOR DIAGNOSING THE CONCERN. THE VEHICLE MAY BE UNABLE TO CONNECT TO ONSTAR USING THE WHITE, BLUE OR RED ONSTAR BUTTONS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE. Read More »
GM SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. 2011 SILVERADO/SIERRA. SOME TRUCKS MAY HAVE BEEN BUILT WITHOUT A NOISE LABEL ON THE DOOR. *RM Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA. Read More »
THIS INFORMATIONAL BULLETIN IS A SUPPLEMENT TO THE DURAMAX DIESEL COOLANT SYSTEM FILL AND HEAD GASKET REPLACEMENT PROCEDURE FOUND IN THE SERVICE INFORMATION. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES POLICY INFORMATION ON USING GM SERVICE POLICIES AND PROCEDURE MANUAL THAT REPRESENT KEY GM REQUIREMENTS FOR SERVICE OPERATIONS. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY. Read More »
THIS WARRANTY ADMINISTRATION BULLETIN PROVIDES INFORMATION ON GM?S POLICY ON PERFORMING GM COVERED VEHICLE SERVICES AND MAINTENANCE ON VEHICLES ORIGINATING/SOLD IN CANADA. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A SERVICE ENGINE SOON LAMP, ENGINE MISFIRE ON CYLINDER 1, 4, 6, OR 7 AND/OR TICK NOISE. Read More »
GM: THE CARPET IS CURLING AT THE TOP FRONT EDGE. THE CARPET WAS FOLDED PRIOR TO INSTALLATION AND WHEN INSTALLED IT CURLS BACK UP. 2007-2012 SILVERADO/SIERRA. *RM Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE AN OUTSIDE AIR TEMPERATURE INOPERATIVE. Read More »
