Technical Service Bulletins (TSBs) for the 2015 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.
14608 - SERVICE UPDATE. THIS BULLETIN PROVIDES A FURTHER SERVICE PROCEDURE TO INSPECT VEHICLES AND REPLACE THE POWER STEERING COOLER ASSEMBLY AS NEEDED ON CERTAIN VEHICLES THAT WERE PREVIOUSLY SERVICED PRIOR TO SEPTEMBER 9, 2014 ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW TO DIAGNOSE AND REPAIR VEHICLES THAT MAY HAVE A GRIND, POP, SHUDDER OR BIND FEELING/NOISE IN THE STEERING COLUMN WHEN TURNING LEFT OR RIGHT. Read More »
STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS
GMC/CHEVROLET: HOSE CONNECTION WITHIN POWER STEERING COOLER ASSEMBLY IS MISSING FERRULE OR FERRULE CRIMP AND WILL LOSE POWER STEERING FLUID, IF DRIVEN. MODEL 2015 SILVERADO 2500/3500, SIERRA 2500/3500. Read More »
STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A PROCEDURE FOR DIAGNOSING AND REPAIRING VIBRATIONS CAUSED BY THE WHEEL AND TIRE, AXLE COMPONENTS AND/OR PROPELLER SHAFTS. Read More »
14608B - SERVICE UPDATE (REVISED SERVICE PROCEDURE). THE BULLETIN PROVIDES A FURTHER SERVICE PROCEDURE TO INSPECT VEHICLES AND REPLACE THE POWER STEERING COOLER ASSEMBLY AS NEEDED ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO 2500/3500 ... Read More »
GMC/CHEVROLET: HOSE CONNECTION WITHIN POWER STEERING COOLER ASSEMBLY IS MISSING FERRULE OR FERRULE CRIMP AND WILL LOSE POWER STEERING FLUID, IF DRIVEN. MODEL 2015 SILVERADO 2500/3500, SIERRA 2500/3500. 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 »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A PROCEDURE FOR DIAGNOSING AND REPAIRING VIBRATIONS CAUSED BY THE WHEEL AND TIRE, AXLE COMPONENTS AND/OR PROPELLER SHAFTS. Read More »
GENERAL MOTORS: 2014-2015 CADILLAC ESCALADE, CHEVROLET SILVERADO 1500, GMC SIERRA: SOME CUTOMERS HAVE CONCERNS OF NO CRANK OF THE ENGINE, SERVICE SUSPENSION SYSTEM WHICH MAY BE CAUSED BY FUSE ISSUES. Read More »
SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO RE-TORQUE THE JOINTS OF THE REAR LEAF SPRING ASSEMBLY TO CORRECT A CUSTOMER CONCERN OF A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO RE-TORQUE THE JOINTS OF THE REAR LEAF SPRING ASSEMBLY TO CORRECT A CUSTOMER CONCERN OF A CLUNKING NOISE COMING FROM THE REAR OF THE VEHICLE. Read More »
GMC/CHEVROLET: SERVICE PROCEDURES ON CERTAIN VEHICLES TO INSPECT, RETIGHTEN THE TORQUE FOR RIGHT REAR BRAKE LINE BRACKET BOLT TO REAR AXLE DUE TO INCORRECTLY BEING TORQUED ALLOWING BRAKE LINE TO WEAR AGAINST REAR AXLE HOUSING AND BRAKE ... Read More »
GMC/CHEVROLET: SERVICE PROCEDURES ON CERTAIN VEHICLES TO INSPECT, RETIGHTEN THE TORQUE FOR RIGHT REAR BRAKE LINE BRACKET BOLT TO REAR AXLE DUE TO INCORRECTLY BEING TORQUED ALLOWING BRAKE LINE TO WEAR AGAINST REAR AXLE HOUSING AND BRAKE ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
15203A - SERVICE UPDATE (REVISED SERVICE PROCEDURE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF REQUIRED, RETIGHTEN THE TORQUE ON THE RIGHT-REAR-BRAKE-LINE-BRACKET BOLT TO THE REAR-AXLE ON CERTAIN FORT WAYNE ASSEMBLY ... Read More »
15203 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO INSPECT AND, IF REQUIRED, RETIGHTEN THE TORQUE ON THE RIGHT-REAR-BRAKE-LINE-BRACKET BOLT TO THE REAR-AXLE ON CERTAIN FORT WAYNE ASSEMBLY PLANT BUILT 2014-2015 ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
GENERAL MOTORS 2014-2015 CHEVROLET SILVERADO, GMC SIERRA: SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES BODY HARNESS CONTACT WITH PARK BRAKE BRACKET WILL EXPIRES WITH BASE WARRANTY. *LJ Read More »
GENERAL MOTORS 2014-2015, CHEVROLET SILVERADO, GMC SIERRA : SERVICE UPDATE FOR INVENTORY AND CUSTOMER PARK BRAKE BRACKET VEHICLES BODY HARNESS CONTACT EXPIRES WITH BASE WARRANTY . *LJ Read More »
GMC/CHEVROLET: PROCEDURE IN TIE STRAP MAIN AND BCM OF BODY HARNESS TO PREVENT THEM COMING IN CONTACT WITH PARK BRAKE BRACKET WHERE EXPOSED BODY HARNESS WIRES IN CLOSE PROXIMITY TO PARKING BRAKE BRACKET CAN RUB OR PINCH BRAKE BRACKET. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING. 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 »
GMC/CHEVROLET/CADILLAC: INFORMATION PROVIDED ON SOME VEHICLES AND SUV, FOR REPLACEMENT OF CRANKSHAFT, FOR ENGINE REPAIR AND OIL TANK AND LINES WOULD BE REPLACED ON DRY SUMP ENGINES WHEN REPAIRING AND/OR REPLACING. Read More »
CHEVROLET/GMC: ON TRUCKS/SUVS AFTER HAVING AN OIL AND FILTER CHANGE, THE PRESSURE FOR OIL IS LOW AND SES LIGHT HAD DIAGNOSTIC TROUBLE CODE (DTC) P0521 APPEAR. MODEL 2014-15 SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON, YUKON XL. Read More »
GENERAL MOTORS: IN SOME VEHICLES AND TRUCKS, WHEN TRANSFERRING INTAKE MANIFOLD TO REPLACE AN ENGINE LONG SERVICE BLOCK, DUE TO INTERNAL DAMAGE, EXTREME CAUTION MUST BE TAKEN FOR COMPONENT DEBRIS VIA BROKEN, BENT OR MISSING INTAKE VALVES. Read More »
GENERAL MOTORS: IN SOME VEHICLES AND TRUCKS, WHEN TRANSFERRING INTAKE MANIFOLD TO REPLACE AN ENGINE LONG SERVICE BLOCK, DUE TO INTERNAL DAMAGE, EXTREME CAUTION MUST BE TAKEN FOR COMPONENT DEBRIS VIA BROKEN, BENT OR MISSING INTAKE VALVES. Read More »
"15178 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A DRIVE AUDIT AND, IF NECESSARY, REPLACE THE REACTION/OUTPUT CARRIER ASSEMBLY AND ASSOCIATED PARTS ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ... Read More »
CHEVROLET/GMC: ON SOME VEHICLES, ACCESSORY DRIVE IDLER PULLEY WILL BE REPLACED DUE TO NOISE IN BEARING AND PULLEY MAY FAIL AND ALTERNATOR AND WATER PUMP STOP WORKING. *PE Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A SERVICE ENGINE SOON WITH DIAGNOSTIC TROUBLE CODE P0300 AND AN ENGINE MISFIRE. 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 »
CHEVROLET/GMC: AFTER IGNITION KEY HAS TURNED ENGINE OFF, IT REMAINS RUNNING A POSSIBLE CAUSED MAYBE DU TO INSTALLATION OF A FUSE IN F26UA AND/OR F31UA LOCATION OF UBEC. MODEL 2014 SILVERADO 1500, SIERRA 1500, 2015 SILVERADO, SIERRA. Read More »
14466 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE ECM (ENGINE CONTROL MODULE) ON CERTAIN TRUCKS EQUIPPED WITH THE 6.6L DURAMAX DIESEL ENGINE (RPO LML). Read More »
GM: ENGINE WILL CRANK BUT WILL NOT START. DTC P00C6 MAY BE SET. LOW FUEL RAIL PRESSURE. ALSO INCLUDES CHEVROLET CORVETTE, GMC YUKON XL AND SIERRA. MODEL YEAR 2015. *JS UPDATED 05/19/2014 *JS UPDATED 11/12/14. Read More »
IMPCO: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. SOME VEHICLES WITH COMPRESSED NATURAL GAS (CNG) SYSTEM WERE BUILT INCORRECTLY WITH THE ENGINE CONTROL MODULE (ECM) CALIBRATION AND WOULD NEED TO HAVE ECM REPROGRAMMED. 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 »
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 »
ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS
CHEVROLET/GMC: ON SOME VEHICLES, ACCESSORY DRIVE IDLER PULLEY WILL BE REPLACED DUE TO NOISE IN BEARING AND PULLEY MAY FAIL AND ALTERNATOR AND WATER PUMP STOP WORKING. *PE Read More »
GENERAL MOTORS: 2014-2015 CADILLAC ESCALADE, CHEVROLET SILVERADO 1500, GMC SIERRA: SOME CUTOMERS HAVE CONCERNS OF NO CRANK OF THE ENGINE, SERVICE SUSPENSION SYSTEM WHICH MAY BE CAUSED BY FUSE ISSUES. 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 »
THIS INFORMATION BULLETIN PROVIDE INFORMATION ON A NEW WAY TO LOOK AT NOX SENSOR READINGS AND EXHAUST TEMPERATURE DURING A DPF REGENERATION OR A REDUCTANT FLUID QUALITY TEST. 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 »
ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR
GENERAL MOTORS: IN SOME VEHICLES AND TRUCKS, WHEN TRANSFERRING INTAKE MANIFOLD TO REPLACE AN ENGINE LONG SERVICE BLOCK, DUE TO INTERNAL DAMAGE, EXTREME CAUTION MUST BE TAKEN FOR COMPONENT DEBRIS VIA BROKEN, BENT OR MISSING INTAKE VALVES. Read More »
GENERAL MOTORS: IN SOME VEHICLES AND TRUCKS, WHEN TRANSFERRING INTAKE MANIFOLD TO REPLACE AN ENGINE LONG SERVICE BLOCK, DUE TO INTERNAL DAMAGE, EXTREME CAUTION MUST BE TAKEN FOR COMPONENT DEBRIS VIA BROKEN, BENT OR MISSING INTAKE VALVES. 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 »
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 »
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
GENERAL MOTORS: PARTS FOR MOST VEHICLES, CLUTCH, MASTER CYLINDER ASSEMBLY ARE, REQUIRED AND REQUESTED, TO BE RETURNED AND NEED TO REORDER REPLACEMENT PARTS USING SAME PART NUMBERS. Read More »
"15435B - SERVICE UPDATE (REVISED PART INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED ... Read More »
15216 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO LD CREW AND DOUBLE CAB; AND GMC SIERRA LD CREW, SIERRA LD CREW DOUBLE CAB, YUKON, AND YUKON XL MODEL VEHICLES THAT ARE ... Read More »
CADILLAC/CHEVROLET/GMC: ON CERTAIN VEHICLES, A SERVICE PROCEDURE HAS BEEN PROVIDED REGARDING REPLACING REACTION/OUTPUT CARRIER ASSEMBLY DUE TO WHINNYING NOISE OF TRANSMISSION GEAR. Read More »
CADILLAC/CHEVROLET/GMC: ON CERTAIN VEHICLES, A SERVICE PROCEDURE HAS BEEN PROVIDED REGARDING REPLACING REACTION/OUTPUT CARRIER ASSEMBLY DUE TO WHINNYING NOISE OF TRANSMISSION GEAR. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPLACE THE STATOR SHAFT SUPPORT TO CORRECT CUSTOMER CONCERN ON A DELAYED ENGAGEMENT WHEN THE TRANSMISSION IS SHIFTED FROM PARK TO REVERSE OR PARK TO DRIVE AFTER THE VEHICLE HAS BEEN SITTING ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY PART NUMBER 24262535 HAS BEEN PLACED ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. 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 »
15667 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO CHECK AND ADJUST TRANSMISSION FLUID LEVELS ON THE VEHICLES LISTED ABOVE. Read More »
GMC/CHEVROLET: SOME VEHICLES FAILS TO PROCEED EITHER REVERSE OR FORWARD AND SOMETIMES TRANSMISSION WOULD SLIP IN ORDER TO REPAIR THE CONDITION, ENGINEER MUST DETERMINE THE CAUSE OF CONDITION BEFORE REPAIR. Read More »
"15435B - SERVICE UPDATE (REVISED PART INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED ... Read More »
GMC/CADILLAC/CHEVROLET: AFTER POSITIONING SHIFT LEVER INTO PARK, IT FAILS TO HOLD AND VEHICLE ROLLS WHEN BRAKE PEDAL IS RELEASED. MODEL 2013-15. Read More »
15216 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO LD CREW AND DOUBLE CAB; AND GMC SIERRA LD CREW, SIERRA LD CREW DOUBLE CAB, YUKON, AND YUKON XL MODEL VEHICLES THAT ARE ... Read More »
CADILLAC/CHEVROLET/GMC: ON CERTAIN VEHICLES, A SERVICE PROCEDURE HAS BEEN PROVIDED REGARDING REPLACING REACTION/OUTPUT CARRIER ASSEMBLY DUE TO WHINNYING NOISE OF TRANSMISSION GEAR. Read More »
CADILLAC/CHEVROLET/GMC: ON CERTAIN VEHICLES, A SERVICE PROCEDURE HAS BEEN PROVIDED REGARDING REPLACING REACTION/OUTPUT CARRIER ASSEMBLY DUE TO WHINNYING NOISE OF TRANSMISSION GEAR. Read More »
GMC/CHEVROLET: PROCEDURE INFORMATION REGARDING INSPECTION OF TRANSMISSION CONTROL MODULE (TCM) ENGINE WIRING HARNESS FOR CERTAIN TRUCKS AND IF MISROUTED AND NOT SECURED WILL PROPERLY REROUTE AND USE AUXILIARY POSITIVE BATTERY CABLE FIR ... 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 »
14876 - SERVICE UPDATE. ON CERTAIN VEHICLES EQUIPPED WITH 8-SPEED AUTOMATIC TRANSMISSION (M5U), THE CUSTOMER MAY COMPLAIN ABOUT HARSH SHIFTING. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)
GMC/CHEVROLET: DUE TO INTERFERENCE WITH ENGINE ACCESSORY DRIVE BELT FROM TRANSMISSION CONTROL MODULE (TCM) WIRE HARNESS ROUTING, THE WIRE HARNESS WILL BE DAMAGED AND HAVE POOR TRANSMISSION PERFORMANCE AND QUALITY SHIFTING AND MALFUNCTION ... Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:GEAR POSITION INDICATION (PRNDL)
"15178 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO PERFORM A DRIVE AUDIT AND, IF NECESSARY, REPLACE THE REACTION/OUTPUT CARRIER ASSEMBLY AND ASSOCIATED PARTS ON CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE, ESCALADE ... Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT
CHEVROLET/GMC: IN FULL UP POSITION OF TILT STEERING COLUMN AND SHIFT LEVER MOVES BETWEEN GEARS AND COMES IN CONTACT WITH IGNITION KEY HEAD CAUSING ROTATION OF KEY AND ENGINE TO SHUT OFF. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER
CHEVROLET/GMC: ON CERTAIN TRUCKS/SUVS, SERVICE PROCEDURE HAS BEEN PROVIDED FOR REPLACING TORQUE CONVERTER THAT WAS MACHINED INCORRECTLY, CAUSING POOR PERFORMANCE AND NOISE. MODEL 2015 SIERRA HD, SIERRA DENALI HD, SILVERADO HD. Read More »
15435A - SERVICE UPDATE (REVISED SERVICE PROCEDURE). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED ... Read More »
15435 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPLACE THE TORQUE CONVERTER ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD, GMC SIERRA HD AND GMC SIERRA DENALI HD VEHICLES EQUIPPED WITH AN ALLISON 6-SPEED ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. 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 INFORMATIONAL BULLETIN PROVIDES INFORMATION FOR IGNITION KEY, FOB, KEY TAGS AND KEY RINGS CONFIGURATION FOR VARIOUS VEHICLES AND APPLYING A QR CODE STICKER OR BARCODE STICKER TO THE FOB. 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 ON STEPS TO PERFORM TO DETERMINE IF THE CUSTOMER'S BATTERY DRAIN CONCERN IS BEING CAUSED BY A KNOWN CONCERN WITH BLUETOOTH CALL TRANSFER OPERATION WHEN EXITING THE VEHICLE. Read More »
THIS PRELIMINARY INFORMATIONAL BULLETIN PROVIDES INFORMATION ON A PROCEDURE FOR DIAGNOSING AND REPAIRING VIBRATIONS CAUSED BY THE WHEEL AND TIRE, AXLE COMPONENTS AND/OR PROPELLER SHAFTS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT ,WHEN TESTING ANY CIRCUIT FOR OPEN OR RESISTANCE, IT IS IMPERATIVE THAT ALL RELATED TERMINAL PIN FIT AND TENSION BE CHECKED WHEN THE TEST STEPS REQUIRE DISCONNECTION ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF BLACK SMOKE WHEN STARTING THE VEHICLE AFTER SITTING. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL. 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 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 THE STEPS ON DIAGNOSING THE CONCERN. VEHICLE'S SUNROOF OPERATION INTERMITTENT, BIND, NOISE, AUTO-REVERSE, AND/OR WATER LEAKS. Read More »
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF RADIO INOPERATIVE, BLUE SCREEN, AM CLIPPING NOISE, HD ON/OFF STATUS NOT RETAINED IN STATIONS, TIME LAG ON TRANSITIONS, NO AUDIO WITH ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT MAY HAVE A BLANK DISPLAYS, FLASHING DISPLAYS, ?ERROR OR UPDATE FAILED MESSAGES?, NAVIGATION MAP NOT LOADING, BLUETOOTH OR USB CONCERNS. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE DRIVE MOTOR GENERATOR CONTROL MODULE AND ACCESSORY POWER MODULE ARE BEING PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. Read More »
GM: INFORMATION INVOLVING THE PROCEDURE TO ENSURE THAT FUSE BLOCK IS PROPERLY RETAINED. THE RETENTION CLIPS THAT ATTACH THE FUSE BLOCK TO THE BODY MAY LOOSEN PERMITTING THE FUSE BLOCK TO MOVE OUT OF POSITION. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL. 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 »
BUICK/CADILLAC/ GMC/ CHEVROLET: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. BATTERY IS DEAD DUE TO ONSTAR MODULE AND IF VEHICLE FAILS TO START AFTER 4 DAYS AND OCCURS EVEN IF ONSTAR SYSTEM IS NOT ACTIVE. *PE UPDATED 11/6/15. Read More »
14126B - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. Read More »
14154 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO RELOCATE THE SEPARATE 250 AMP FUSE INTO THE PRE-FUSE ASSEMBLY ON TOP OF THE VEHICLE BATTERY ON CERTAIN VEHICLES EQUIPPED WITH A 220 AMP GENERATOR (RPO KW5). Read More »
CHEVROLET/GMC/CADILLAC: ON CERTAIN SUVS/TRUCKS, SERVICE PROCEDURE PROVIDED ON INSTALLING CORRECT TEMPERATURE SENSOR WIRING HARNESS FOR TRANSMISSION DUE TO PREVIOUS WIRING HARNESS WAS UNAPPROVED. Read More »
GMC/CHEVROLET: ON SOME TRUCKS, VARIOUS DIAGNOSTIC TROUBLE CODES (DTCS) ARE DISPLAYED AND INSTRUMENT PANEL CLUSTER (IPC) WARNING LAMPS AND/OR MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATING DIESEL EXHAUST FLUID (DEF) AND ENGINE MAY CRANK, ... Read More »
GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. Read More »
CHEVROLET/GMC: ON SOME TRUCKS, TROUBLE LOCATING THE TWO BLUNT CUT WIRES, FOR ROOF BEACON LIGHT, WHICH IS DIRECTLY ABOVE OVERHEAD CONSOLE AND TAPED TO HARNESS. MODEL 2014-2015 SILVERADO, SILVERADO 1500, SIERRA, SIERRA 1500. Read More »
ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS ON DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE UNWANTED GRADE BRAKING, REDUCED ENGINE POWER WITH NO DRIVER INFORMATION CENTER MESSAGES ? ... Read More »
GMC/CHEVROLET: ON SOME TRUCKS, MESSAGE APPEARS IN DIC REGARDING SYMPTOM OF AN INTERMITTENT SERVICE TRAILER BRAKE AND DIAGNOSTIC TROUBLE CODES (DTC) ARE SET IN CHASSIS CONTROL MODULE. Read More »
GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. Read More »
ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS
14154 - SERVICE UPDATE (VIN LIST ADDED). GLOBAL CONNECT MESSAGE G_0000205220 DATED NOVEMBER 21, 2014, ANNOUNCED THE RELEASE OF SERVICE UPDATE BULLETIN 14154. Read More »
CHEVROLET 2015 CHEVROLET SILVERADO 2500 HD, 2015 GMC SIERRA 2500 HD, EQUIPPED WITH 220 AMP GENERATOR RPO KW5: INFORMATION REGARDING 220 AMP GENERATOR FUSE BLOCK CORROSION. *LJ Read More »
GENERAL MOTORS 2014-2015 CADILLAC ESCALADE, CHEVROLET SILVERADO 1500, SUBURBAN, TAHOE , GMC SIERRA 1500, YUKON MODELS. INFORMATION REGARDING A NO CRANK OR START THEN IMMEDIATE STALL CONDITION. *LJ Read More »
CHEVROLET/GMC: IN FULL UP POSITION OF TILT STEERING COLUMN AND SHIFT LEVER MOVES BETWEEN GEARS AND COMES IN CONTACT WITH IGNITION KEY HEAD CAUSING ROTATION OF KEY AND ENGINE TO SHUT OFF. Read More »
GMC/CHEVROLET: SOME TRUCKS WILL EXPERIENCE A HIGH RESISTANCE IN WIRING HARNESS CONNECTORS CAUSING SERVICE AIR BAG MESSAGE TO BE DISPLAYED IN DRIVER INFORMATION CENTER (DIC). Read More »
14126B - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. Read More »
GMC/CHEVROLET: THE INSTRUMENT PANEL CLUSTER (IPC) IS LOCKED UP AND ON RESTRICTION DUE TO A SPS PROGRAMMING EVENT. MODEL 2014 SILVERADO 1500, SIERRA 1500, 2015 SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON MODELS. Read More »
14126A - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. 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 TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE RADIO TO CORRECT A CUSTOMER CONCERN OF RADIO INOPERATIVE, BLUE SCREEN, AM CLIPPING NOISE, HD ON/OFF STATUS NOT RETAINED IN STATIONS, TIME LAG ON TRANSITIONS, NO AUDIO WITH ... Read More »
15115 - SERVICE UPDATE. THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM AND UPDATE THE GLOW-PLUG CONTROL MODULE WITH NEW SOFTWARE ON CERTAIN 2015 MODEL YEAR CHEVROLET SILVERADO HD CREW, HD CREW LTZ, HD REGULAR, HD EXT, HD EXT LTZ ... Read More »
GMC/CHEVROLET: A REPROGRAMMING SERVICE PROCEDURE IS PROVIDED REGARDING UPDATE ON NEW SOFTWARE FOR GLOW PLUG CONTROL MODULE FOR CERTAIN TRUCKS THAT GENERATE EXCESSIVE HEAT, CAUSING A SHORT CIRCUIT IN TRANSISTOR AND/OR FIRE. Read More »
GMC/CHEVROLET: A REPROGRAMMING SERVICE PROCEDURE IS PROVIDED REGARDING UPDATE ON NEW SOFTWARE FOR GLOW PLUG CONTROL MODULE FOR CERTAIN TRUCKS THAT GENERATE EXCESSIVE HEAT, CAUSING A SHORT CIRCUIT IN TRANSISTOR AND/OR FIRE. Read More »
15038 - DEALER MESSAGE ONLY. SELECT 2015 VEHICLES WILL RECEIVE A SOFTWARE DOWNLOAD VIA ONSTAR? TO UPDATE THE SOFTWARE FOR THE ELECTRONIC CLIMATE CONTROL (ECC) SYSTEM. Read More »
14126B - SERVICE UPDATE (REVISED PROGRAMMING INFORMATION). THIS BULLETIN PROVIDES A SERVICE PROCEDURE TO REPROGRAM THE INSTRUMENT PANEL CLUSTER ON CERTAIN VEHICLES. THESE VEHICLES MAY HAVE AN ODOMETER READING AT ?PEEK IN? (I.E. Read More »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION ON EXTERIOR LIGHTING COMPONENTS THAT HAVE BEEN TINTED OR SMOKED BY AN OUTSIDE VENDOR AND GENERAL MOTORS POSITION ON ALTERING THESE COMPONENTS. Read More »
GMC/CHEVROLET: THE HEADLIGHTS ON SOME SNOW PLOW EQUIPMENT BECOMES INOPERATIVE AFTER SWITCHING FROM FACTORY TO SNOW PLOW USAGE. MODEL 2014 SILVERADO 1500, 2014 SILVERADO, 2014 SIERRA 1500, 2015 SIERRA. 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 »
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 2015 CHEVROLET SILVERADO, GMC SIERRA. DUE TO SURFACE FLAW, CERTAIN VEHICLES, WITH HEATED BACK WINDOW GLASS, IS STRUCTURALLY WEAKENED AND SHATTER. REAR WINDOWS HAVE TO BE REPLACE. Read More »
GENERAL MOTORS 2015 CHEVROLET SILVERADO, GMC SIERRA. HEATED BACK WINDOW GLASS STRUCTURALLY WEAKENED DUE TO SURFACE FLOW AND CAN SHATTER. *LJ Read More »
GENERAL MOTORS 2015 CHEVROLET SILVERADO, GMC SIERRA. HEATED BACK WINDOW GLASS STRUCTURALLY WEAKENED DUE TO SURFACE FLOW AND CAN SHATTER. *LJ Read More »
THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2015 SILVERADO GMC SIERRA EQUIPPED WITH RPO C49 ELECTRIC REAR WINDOW DEFOGGER. Read More »
THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2015 CHEVROLET SILVERADO, SIERRA ; CERTAIN LIGHT DUTY 2015 VEHICLES BUILT WITH RPO C49 FIXED-WINDOW HEATED GLASS MAY HAVE A ... Read More »
THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. GENERAL MOTORS 2015 CHEVROLET SILVERADO, SIERRA EQUIPPED WITH RPO C49 ELECTRIC REAR WINDOW DEFOGGER. THIS IS A REVISED COPY OF BULLETIN 14815A. 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 »
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 »
CHEVROLET/GMC: SERVICE PROCEDURE PROVIDED REGARDING TWO MISSING LASER WELDS IN LOWER REAR CORNER OF RIGHT REAR DOOR, LEADING TO RATTLING AND/OR SQUEAKING CONDITION WHILE CLOSING DOOR. MODEL 2015 SILVERADO & SIERRA DOUBLE CABS. Read More »
CHEVROLET/GMC: SERVICE PROCEDURE PROVIDED REGARDING TWO MISSING LASER WELDS IN LOWER REAR CORNER OF RIGHT REAR DOOR, LEADING TO RATTLING AND/OR SQUEAKING CONDITION WHILE CLOSING DOOR. MODEL 2015 SILVERADO & SIERRA DOUBLE CABS. Read More »
CHEVROLET/GMC: ON SOME TRUCKS, TROUBLE LOCATING THE TWO BLUNT CUT WIRES, FOR ROOF BEACON LIGHT, WHICH IS DIRECTLY ABOVE OVERHEAD CONSOLE AND TAPED TO HARNESS. MODEL 2014-2015 SILVERADO, SILVERADO 1500, SIERRA, SIERRA 1500. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE SPEEDOMETER INACCURATE READS 5 MPH WHEN TRAVELING 50 MPH. ENGINEERING IS WORKING TO DEVELOP A SOLUTION. 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 »
THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION FOR IGNITION KEY, FOB, KEY TAGS AND KEY RINGS CONFIGURATION FOR VARIOUS VEHICLES AND APPLYING A QR CODE STICKER OR BARCODE STICKER TO THE FOB. Read More »
THIS INFORMATION BULLETIN PROVIDE INFORMATION ON A NEW WAY TO LOOK AT NOX SENSOR READINGS AND EXHAUST TEMPERATURE DURING A DPF REGENERATION OR A REDUCTANT FLUID QUALITY TEST. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. 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 »
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 PROVIDES INFORMATION TO THE TECHNICIAN THAT SOME VEHICLES MAY HAVE A HIGH PITCHED WHINE NOISE FROM THE VEHICLE NOTICED WHEN DRIVING IN AUTO 4WD. Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
15216 - CUSTOMER SATISFACTION PROGRAM. CERTAIN 2015 MODEL YEAR CADILLAC ESCALADE AND ESCALADE ESV; CHEVROLET SILVERADO LD CREW AND DOUBLE CAB; AND GMC SIERRA LD CREW, SIERRA LD CREW DOUBLE CAB, YUKON, AND YUKON XL MODEL VEHICLES THAT ARE ... Read More »
GMC/CHEVROLET: SOME TRUCKS WILL EXPERIENCE A HIGH RESISTANCE IN WIRING HARNESS CONNECTORS CAUSING SERVICE AIR BAG MESSAGE TO BE DISPLAYED IN DRIVER INFORMATION CENTER (DIC). Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW THE RADIO DISPLAY GETS THE AIR AMBIENT TEMPERATURE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE E92 ECM RESTRICTION PART NUMBER 12662034 WILL BE PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE DRIVE MOTOR GENERATOR CONTROL MODULE AND ACCESSORY POWER MODULE ARE BEING PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ON HOW THE RADIO DISPLAY GETS THE AIR AMBIENT TEMPERATURE. 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 »
GMC/CHEVROLET: TRUCKS WITH INTEGRATED TRAILER BRAKE CONTROLLER (ITBC) MAY RECEIVED AN INTERMITTENT CHECK TRAILER WIRING, AND/OR SERVICE TRAILER BRAKE MESSAGE WITH DIAGNOSTIC TROUBLE CODE (DTC) C1114 AND HAVE ITBC CONNECTION CHECKED. 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 TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE REAR ENTERTAINMENT MEDIA DISC PLAYER USING A PROVIDED DVD TO CORRECT THE CONDITION OF THE REAR ENTERTAINMENT PLAYER FREEZES ON START UP MENU DUE TO A CALIBRATION CONCERN. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE RADIO IS INOPERTIVE. NEW SOFTWARE HAS BEEN RELEASED TO CORRECT THIS CONCERN. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE RADIO IS INOPERTIVE. NEW SOFTWARE HAS BEEN RELEASED TO CORRECT THIS CONCERN. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF A DEAD BATTERY AFTER LEAVING THE VEHICLE DURING A BLUETOOTH CALL. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON THE STEPS TO DIAGNOSE AND REPAIR THE CONCERN OF THE RADIO SYSTEM INOPERATIVE. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER FOR FURTHER INSTRUCTIONS. THE CONCERN IS THE RADIO MAY BE UNABLE TO SAVE XM FAVORITE STATIONS. 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 INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON DIAGNOSING THE CONCERN OF THE CD PLAYER BEING INOPERATIVE OR DISC WILL NOT EJECT. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN ON DIAGNOSING THE CONCERN OF THE CD PLAYER BEING INOPERATIVE OR DISC WILL NOT EJECT. 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 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 PROVIDES INFORMATION TO THE TECHNICIAN WITH THE STEPS NEED TO DIAGNOSE AND REPAIR VEHICLE THAT MAY HAVE A CONCERN WITH NAVIGATION ICON NOT SHOWING THE CORRECT LOCATION THEN JUMPING TO THE CORRECT ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLES THAT HAVE SPEEDOMETER INACCURATE READS 5 MPH WHEN TRAVELING 50 MPH. ENGINEERING IS WORKING TO DEVELOP A SOLUTION. 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 TECHNICAL BULLETIN PROVIDES A PROCEDURE TO INSPECT THE AIR BOX AND AIR FILTER SEAL AND REPLACE IF NECESSARY TO CORRECT A CUSTOMER CONCERN THAT THE MALFUNCTION INDICATOR LIGHT (MIL) IS ILLUMINATED DUE TO EXCESSIVE SAND AND/OR DEBRIS ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT A NOISE OR A VIBRATION IN THE VEHICLE THAT SEEMS TO BE ABNORMAL MAY NOT HAVE BEEN THERE WHEN THE VEHICLE WAS PURCHASED. Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE ALLISON LCT1000 VALVE BODY PART NUMBER 24262535 HAS BEEN PLACED ON RESTRICTION THROUGH GENERAL MOTORS PRODUCT QUALITY CENTER. Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
GENERAL MOTORS: TSB CONTAINS AN OWNER'S NOTIFICATION LETTER. SELECT DOCUMENT SEARCH BUTTON BELOW. ON CERTAIN TRUCKS AND VEHICLES, THE ONSTAR SYSTEM IS INOPERATIVE DUE TO EMBEDDED PHONE FLASH MEMORY CHIP AND VEHICLE COMMUNICATION ... Read More »
THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THAT THE DRIVE MOTOR GENERATOR CONTROL MODULE AND ACCESSORY POWER MODULE ARE BEING PLACED ON RESTRICTION THROUGH THE GENERAL MOTORS TECHNICAL ASSISTANCE CENTER. 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 »
