2005 Chevrolet Silverado TSBs
365 Technical Service Bulletins across 17 categories
Categories
Engine
107 bulletinsINFORMATION ON HIGHER THAN EXPECTED OIL CONSUMPTION.
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NLM
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar...
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system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar...
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system that has progression tones when pressing the blue or red button. Technician will need to call General Motors Technical Assistance Center with the scan tool data from the OnStar system.
This informational bulletin provides information to technicians regarding intake manifold inspection/replacement after...
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severe internal engine damage.
This technical bulletin provides repair information for repairing the IP to body harness connector to correct a customer...
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concern for intermittent Malfunction Indicator Lamp (MIL) illuminated with Reduced Engine Power displayed and DTC P2138 set.
This informational bulletin provides information on close-coupled converter and engine replacement.
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair...
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vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first hour of engine run time to allow break-in of the catalytic converter. Technician will need to use a Tech2 to check the verify engine run time on the Engine Hour Meter in the Instrument Panel Cluster Data Display/Data 1 List in the scan tool match. If the engine run time is less than one hour, the battery may have been disconnected, or another vehicle power loss event may have occurred, during vehicle manufacturing. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle. If the catalytic converter was replaced and the Diagnostic Trouble Codes set it may be a result of the engine run time restrictions no longer being in place since the vehicle is no longer new. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle.
This Preliminary Information communication advises the technician that the 2004-2007 Parallel Hybrid Truck parts will be...
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placed on restriction through the General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
This Preliminary Information communication provides information to the technician about vehicles that will not move in forward or reverse.
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Technician may find Diagnostic Trouble Code P0877 or P2723 set. Technician will need to inspect the valve body separator plate orifices for debris.
This Preliminary Information communication provides information to the technician about vehicles that have a Service...
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Engine Soon Malfunction Indicator Lamp on, engine misfire, and/or engine noise. Technician may find Diagnostic Trouble Codes P0300-P0308. If published Service Information diagnostics does not isolate the cause of this concern technician should check for a worn camshaft lobe and/or lifter roller, a sticking valve, valve leakage, a broken valve spring, and a collapsed active fuel management lifter.
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.
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General Motors will only support a tire calibration for tires that have been sized, tested and designed for the vehicle in question and its applications. Technician should not use the information that is provided by the antilock braking system tire size selection.
This Preliminary Information communication provides information to the technician about vehicles that have not...
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engagement into drive, delayed, no engagement into reverse, and or a range inhibit. Technician may find Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723. Technician should follow published Service Information diagnostics for Diagnostic Trouble Code P0701 first. Technician will also ensure the fluid level is at the top of the hot band when the transmission fluid temperature is 175 Fahrenheit. Diagnostic Trouble Codes P0701, P0731, P0732, P0733, P0734, P0736, P0751, P0756, P0761, P0776, P0843, P0848, P0873, P0877, P0894 or P2723 can set by the following fluid service/filter change, transmission service involving removing the pan, low fluid level caused by leaks, or after long periods of storage. If the fluid level has been properly checked using the HOT check procedure listed in Service Information document 2408059 and any of the Diagnostic Trouble Codes reset during a cold start inspect the internal suction filter for possible cracks. If no other concerns are found inspect for a stuck lube regulator valve in the pump cover due to debris.
This informational bulletin provides information on close coupled converters and there affect on newly installed engines...
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or engines during there break in period.
This Preliminary Information communication advises the technician that parallel hybrid truck parts are on parts restriction.
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Dealer will need to call General Motors Technical Assistance Center for further assistance.
This Preliminary Information communication provides information to the technician on the steps to diagnose and repair...
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vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on at low mileage. Technician may find Diagnostic Trouble Codes P0420 and or P0430 stored. Technician should be advised that the catalytic converter efficiency Diagnostic Trouble Codes P0420 and P0430 are disabled for the first hour of engine run time to allow break-in of the catalytic converter. Technician will need to use a Tech2 to check the verify engine run time on the Engine Hour Meter in the Instrument Panel Cluster Data Display/Data 1 List in the scan tool match. If the engine run time is less than one hour, the battery may have been disconnected, or another vehicle power loss event may have occurred, during vehicle manufacturing. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle. If the catalytic converter was replaced and the Diagnostic Trouble Codes set it may be a result of the engine run time restrictions no longer being in place since the vehicle is no longer new. Technician will need to clear the Diagnostic Trouble Codes and perform a drive cycle.
GENERAL MOTORS: AN OPTIONAL ENGINE BLOCK HEATER PLUG IN FOR ONBOARD AC POWER AND WITH CONTINUOUS USAGE WILL RESULT IN...
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SHORTING OF WIRES, OVER HEATING SYSTEM, ELECTRICAL FAILURE AND COMPARTMENT ENGINE FIRES. MODEL 2003-15 EXPRESS CUT AWAY VANS, SILVERADO CHASSIS CAB, SAVANA CUT AWAY VANS, SIERRA CHASSIS CAB. *PE
GMC/CHEVROLET: ENGINES, WITH EGR SYSTEM, HAS LEAKAGE FROM EGR COOLER ENGINE COOLANT INTO THE COMBUSTION CHAMBER.
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MODEL 2002-15 SILVERADO, SIERRA, 2004-09 KODIAK C4500-C5500, TOPKICK C4500-C5500, 2006-15 EXPRESS, SAVANA. *PE
GENERAL MOTORS SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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THE HVAC BLOWER MAY NOT WORK AT CERTAIN FUNCTIONS OR MAY BECOME INOPERABLE. THERE COULD BE A BURNING SMELL OR SMOKE. *RM UPDATED 4/6/12. *PE
GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE.
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THERE ARE MULTIPLE POSSIBLE CAUSES. *RM
GM: THERE IS A DIESEL ENGINE HARD START WHEN HOT.
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STARTS FINE WHEN COLD. THERE WILL BE NO INTERNAL TROUBLE CODES. *RM
BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN.
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UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE
CHEVROLET/GMC: DIESEL ENGINE TURBO DTC P2563 OR P003A.
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MAY ENCOUNTER A CONCERN OF SES LIGHT, REDUCED POWER, LOW POWER. *PE
GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION.
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*PE UPDATED 2/17/09. *PE
CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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ON-BOARD DIAGNOSTICS (OBD)-FUEL LEVEL SENDER-REPROGRAM ENGINE CONTROL MODULE (ECM). CSC WAS RECEIVED. *PE
POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES.
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*NJ
DURAMAX DIESEL INJECTOR DRIVER CODES WITH 6.6 ENGINE (VIN 2 - RPO LLY).
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*NJ
ENGINE SURGE OR STALL AT STOP AND/OR DTC P0742 POSSIBLE TCC APPLIED.
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EQUIPPED WITH ALLISON LCT1000 TRANSMISSION RPO M74 OR MW7. *NJ UPDATED 4/22/13. *PE
FRONT BLOWER MOTOR INOPERATIVE OR MAY NOT SHUT OFF IN EXTREMELY LOW AMBIENT TEMPERATURE CONDITIONS.
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*KB
DIESEL ENGINE CYLINDER HEAD GASKET MISSING THICKNESS GRADE MARKINGS.
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*KB
DIAGNOSTIC INFORMATION ON TURBOCHARGER MALFUNCTION DUE TO LACK OF ENGINE OIL FOR LBZ, LB7, AND LLY DURAMAX DIESEL ENGINE.
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*KB
INTERMITTENT SES/MIL LAMP ILLUMINATED, REDUCED ENGINE POWER, FUEL INJECTOR DRIVER CIRCUIT.
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DTC'S P0201, P0202, P0203, P0204, P0205, P0206, P0207, P0208. CYLINDER BANK SHUT DOWN DTC'S P2146, OR P2149. *KB
DUAL TANKS FUEL GAUGE DEFAULTS TO EMPTY - NEW CALIBRATIONS.
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STALL START TANK TRANSFER. VEHICLES WITH 6.6L RPO LB7 OR LLY ENGINES. *KB
ENGINE WITH A REPEAT CRACKED FLYWHEEL.
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*KB
LOSS OF IGNITION 1 VOLTAGE TO THE IGNITION COILS.
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CONSUMER EXPERIENCED INTERMITTENT STALL, MISFIRE, OR CRANK NO START. THERE MAY BE NO TROUBLE CODES SET. *KB UPDATED 3/17/09. *PE
TURBOCHARGER OIL FEED LINE KINKED OR RESTRICTED.
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*TT
LACK OF POWER LU3 ENGINE) AT HIGH AMBIENT TEMPERATURES ONLY (IF NECESSARY, REPROGRAM PCM WITH NEW SERVICE...
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CALIBRATION).*AK
GENERATION III V8 ENGINE PISTON REPAIRS.
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*TT
ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA.
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*TT
LOW OIL PRESSURE MESSAGE DISPLAY AND CHIMES ACTIVATED WHILE DRIVING FOLLOWING HYBRID (HP2) LM7 ENGINE AUTO-START (REPROGRAM THE PCM).
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*TS
SERVICE VME - 2006 DURAMAX DIESEL ENGINE FUEL SYSTEM COMPONENTS ARE NOT INTERCHANGEABLE WITH EARLIER YEAR MODEL VEHICLES.
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*TT
LM7, L59 OR L33 ENGINES WITH COLD START ROUGH OR INCORRECT IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP (MIL) OR FLASHING REQUIRING O2 SENSOR REPLACEMENT.
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*TT
INFORMATION ON 4.3L ENGINE FRONT CRANKSHAFT PULLEY APPEARING TO BE OUT OF ROUND (NORMAL CONDITION).
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*TT
PRODUCT EMISSION RECALL TO REPLACE THE POWERTRAIN/ENGINE CONTROL MODULE (PCM/ECM).
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THE POWERTRAIN/ENGINE CONTROL MODULE (PCM/ECM) MAY HAVE BEEN MANUFACTURED WITH DAMAGED INTERNAL IC CHIPS, WHICH MAY AFFECT THE FUEL PUMP CONTROL AND EGR OUTPUTS OF THE PCM; OR THE FUEL PUMP CONTROL AND VARIABLE NOZZLE TURBO CONTROL (VNTC) OUTPUTS OF THE DIESEL ECM. *TT
ACCESSORY DRIVE BELT CHIRP, SQUEAL, OR SQUEAK TYPE NOISE AT COLD IDLE.
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*TT
OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER).
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*TT
SERVICE ENGINE SOON (SES) LIGHT ON WITH REDUCTION IN ENGINE POWER, DIAGNOSTIC TROUBLE CODES P0202 AND P2146 OR P0207 AND P2149 SET.
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*TT ADD DTC P1294. INSTALL REVISED 90 DEGREE INJECTOR CONNECTOR WITH HARNESS SUPPORT BRACKET SERVICE KIT. UPDATED 7/18/08 *PE
EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE.
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*TT UPDATED. *KB UPDATED *KB
DIAGNOSTIC TROUBLE CODE (DTC) P1172 OR P2636, FUEL GAUGE READS EMPTY, SERVICE ENGINE SOON (SES) LIGHT ON.
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*TT
DURAMAX DIESEL PILOT TO MAIN INJECTION FUEL KNOCK NOISE.
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*TT
FUEL GAUGE INOPERATIVE OR INACCURATE, THE SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON, OR FRONT FUEL TANK IS OVER...
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FILLED WITH FUEL, TO THE TOP OF THE FILLER CAP. *TT
ENGINE OIL DIPSTICK UNSEATED OR OIL LEAK.
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*TT
COOLANT LEAK. EARLY INDICATIONS POINT TO A CORROSION STRESS CRACK ON THE UPPER CLAMP AT THE LOWER RADIATOR HOSE TO THE WATER PUMP CONNECTION.
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ENGINEERNG IS TESTING....*TT
ENGINE RPM SURGE AT 1100 TO 1400 RPM.
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THIS CONDITION MAY BE NOTICED MORE WHEN TOWING. *TT
VEHICLE MAY BE BROUGHT IN FOR SERVICE ENGINE SOON (SES) OR MALFUNCTION INDICATOR LAMP (MIL) LIGHT ON.
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*TT
6.6L LLY ENGINE OIL LEAK AT REAR HOUSING COVER BOLT.
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*TT
DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE.
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*SC
01-05 6.6 LLY LB7 DURAMAX DIESEL ENGINE AIR FILTER USAGE.
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*SC
BLOWER MOTOR INOPERATIVE AT LOW AMBIENT TEMPERATURES.
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*TT
ROUGH IDLE, FUEL KNOCK OR SMOKE WHILE DRIVING, COMBUSTION LEAK TYPE NOISE, OR A MISFIRE.
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6.6 LLY INJECTOR KNOCK, HEAVY SMOKE DURING WARM UP CYCLE. *TT
LOWER END ENGINE KNOCK NOISE.
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*SC
6.6 LLY INJECTOR DRIVER CODES.
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MISFIRE, ROUGH RUNNING, AND THE MIL/SES LIGHT ON. *SC
DURAMAX DIESEL INJECTOR DRIVER CODES.
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MISFIRE, ROUGH RUNNING, AND THE MALFUNCTION INDICATOR LAMP (MIL) / SERVICE ENGINE SOON (SES) LIGHT ON. *TT
SERVICE VME - COOLANT LEAK FROM RADIATOR SURGE TANK.
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*TT
HIGHWAY SPEED EXCESSIVE SMOKE AND FUEL KNOCK.
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*TT
ENGINE KNOCK NOISE HEARD AT ALL TIMES.
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*TT
HARD START HOT ONLY AFTER THE ENGINE HAS REACHED OPERATING TEMPERATURE AND THEN SHUT OFF.
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*TT
SERVICE ENGINE SOON LIGHT ILLUMINATED.
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DIAGNOSTIC TROUBLE CODE (DTC) P0171 AND/OR P0174 (LEAN FUEL TRIM) MAY BE SET. MASTER CYLINDER O-RING DAMAGED. GM TECH LINK. *TT
REVISED ENGINE ELECTRICAL AND AUTOMATIC TRANSMISSION - 4L60E/4L65E SUBSECTIONS - NEW CAUTION STATEMENTS ADDED.
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*TT
SURGE AT IDLE OR 1100 TO 1400 RPM.
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*EH
ROUGH IDLE, SERVICE ENGINE SOON (SES)LIGHT, UNSTABLE IDLE, HESITATION, SURGE OR STALLING.
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WITH DIAGNOSTIC TROUBLE CODES P0300, P0335 OR P0336. *TT
TO BETTER UNDERSTAND SPRAG DAMAGE AN ENGINEERING INVESTIGATION IS BEING CONDUCTED.
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TYPICAL SYMPTOMS INCLUDE NO FORWARD MOVEMENT IN D4 OR D3 SHIFT LEVER POSITION. MOVEMENT CAN BE OBTAINED IN D2, D1 OR REVERSE. *TT
STEERING IDLER ARM INSPECTION PROCEDURE.
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*TT
1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174.
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*TT
NOISE, SERVICE ENGINE SOON (SES) LIGHT, OR LOW POWER.
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DEALER MAY FIND TURBINE (EXHAUST SIDE) WHEEL RUB DAMAGE, A BROKEN TURBINE SHAFT, OR TURBO BEARING CONCERN. *TT
THERE HAS BEEN A HIGH PERCENTAGE OF NO TROUBLE FOUND (NTF) 6.6 LLY ENGINE CONTROL MODULES (ECMS) BEING RETURNED TO THE WARRANTY PARTS CENTER.
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THE NO TROUBLE FOUND (NTF) ECMS ARE BEING REPLACED FOR A SPECIFIC LIST OF DIAGNOSTIC TROUBLE CODES. *TT
P0622 OR CHARGE INDICATOR ON AFTER CALIBRATING ENGINE CONTROL MODULE (ECM).
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*TT
DIESEL ENGINE BALANCE RATES ALL SHOWING ZERO.
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*EH
ENGINE OVERHEAT ON VEHICLES EQUIPPED WITH RPO VYU SNOWPLOW PREP PACKAGE.
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*TT
ENGINE FUEL RAIL CROSSOVER TUBE RETAINER SCREW WERE NOT MANUFACTURED TO SPECIFICATIONS AND MAY BREAK.
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*EH
STOP DELIVERY OF CERTAIN VEHICLES EQUIPPED WITH A 5.3 LITER ENGINE.
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*EH
THIS IS IN REGARDS TO THE UNNECESSARY CHANGING OF TURBOCHARGERS DUE TO OIL SEEPAGE.
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*TT
OIL LEAK AT COOLER TO ENGINE BLOCK MATING SURFACE.
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*EH
DIESEL OIL LEAK AT RIGHT REAR OF ENGINE.
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THIS INCLUDES LLY C2 C3 C4 C5 D4 D5 E4 E5 K2 K3 MODELS. *EH
SERVICE ENGINE SOON LIGHT ILLUMINATED WITH DIAGNOSTIC TROUBLE CODE P0171 OR P0174 SET.
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THE ROOT CAUSE MAY BE A DAMAGED OR MISSING SEAL FROM THE MASTER CYLINDER TO THE BRAKE BOOSTER. *EH
TURBO AIR CHARGE COOLER HOSES OIL SEEPAGE OR BLOWS OFF ON ACCELERATION.
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THIS ALSO INCLUDES 2004-2005 LLY C2 C3 C4 C5 K2 K3 D4 D5 E4 E5 MODELS. *EH
ENGINE OVERHEATING. *TT
HVAC BLOWER MOTOR INOPERATIVE OR STAYS RUNNING.
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*TT
EXCESSIVE SHIFTER AND/OR ENGINE VIBRATION, BEARING GROWL AND/OR RATTLE TYPE NOISE WHILE DEPRESSING OR RELEASING CLUTCH PEDAL.
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*TT
ENGINE OIL LEAK AT MAIN BERING SIDE BOLT.
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*EH
ENGINE LOW POWER WILL NOT GO OVER 2300 RPMS.
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*EH UPDATED 6/11/10. *PE
ALLISON LCT1000 PUMP SEPARATOR PLATE CHANGE DISREGARD ADDITIONAL VALVE.
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*TT
COOLANT LEAK AT ENGINE MOUNT BOLT.
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*EH
EXCESSIVE OIL CONSUMPTION.
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*EH
CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE.
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*TT
EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES.
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*TC
P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES.
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*SC
MIS-MACHINED ENGINE OIL GALLERY - INSPECT/REPLACE ENGINE.
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VARIOUS 2005 MODELS INCLDING CHEVROLET EXPRESS. *NM ACTUAL SERVICE BULLETIN. *TT
ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT.
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*SC
GAS ENGINES EXHAUST BUZZ OR RATTLE NOISE.
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*TC
SMOKE, FUEL KNOCK, SURGING, AND HIGH INJECTOR BALANCE RATES.
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*TC TO INCLUDE 2005 CHEVROLET KODIAK AND GMC TOPKICK. *TT
SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7.
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*TT
OIL SEEPAGE FROM TURBO AIR CHARGE COOLER HOSES OR HOSE BLOWING OFF DURING ACCELERATION.
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POSSIBLE DIAGNOSTIC TROUBLE CODE P0299. *TT UPDATED 04-24-07. *KB
SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516.
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DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT
THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH...
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REAR AXLES WITH OR WITHOUT G80 (LOCKING DIFFERENTIAL). *TT 2006 ALL GENERAL MOTORS LIGHT DUTY TRUCKS, VANS AND UTILITIES. *TT
6.6 LLY DURAMAX DIESEL ENGINE TURBOCHARGER LEARN PROCEDURE.
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*MR
DIAGNOSTIC INFORMATION FOR TURBO FAILURE DUE TO LACK OF OIL OR REPEAT TURBO FAILURES.
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*TT
Other
63 bulletinsThis informational bulletin explains how to care for wiper blades.
This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC.
This informational bulletin provides a list off all the issues revolving around new vehicles for a one stop place to...
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find growing concerns around them.
This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.
This informational bulletin provides information for dealers/technicians on when and how to submit a Field Product Report (FPR) (U.S.
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Dealers Only).
This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.
This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.
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Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 miles per hour at any given speed when looking straight at the needle.
This Preliminary Information communication provides information to the technician about customers may inquire about the...
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availability of the passenger compartment air filter. Dealer should advise the customer starting in 2003 the passenger compartment air filter is no longer available as a factory option.
This Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate.
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Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
GM: ONSTAR IS MAKING INCOMPLETE CALLS WITHOUT THE DRIVER KNOWING.
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WHEN HAVE A DATA CONNECTION. *RM
GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME.
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*RM
NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS.
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*KB
LCT1000 TOW/HAUL INDICATOR INOPERATIVE WITH RPO 5G8.
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*KB
REAR DRIVE AXLE WHINE NOISE (REPLACE SLIP YOKE ASSEMBLY).
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*KB
RATTLE NOISE AT HIGHWAY SPEED IN 2WD.
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*TT
OIL PRESSURE GAUGE READING LOW OR NEAR RED ZONE.
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*TT
UNWANTED/LOOSE SEAT MOVEMENT.
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*TT
INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET.
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*TT
INTERMITTENT STALL, LOW POWER, AND HARD RESTART WHEN THE VEHICLE IS USED DURING HIGH AMBIENT TEMPERATURES AND IN HIGH ALTITUDES.
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*TT
PING, POP, SNAP OR CLICK NOISE FROM THE PROPELLER SHAFT.
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*TT
TCC SURGE AND/OR FLUID CONTAMINATION.
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*TT
NO DRIVE IN D4 OR D3.
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TO INCLUDE 2005 GMC JIMMY. *TT
ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757.
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*TT
BULLETIN-SIT-BULLETIN-NO FORWARD, SLIPS, DTC P0875 P0876.
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*SC
RANGE INHIBIT AND/OR WILL NOT MOVE.
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*TT
HEATED SEATS TURN OFF.
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*SC
DURAMAX AIR FILTER. GM TECH LINKS.
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*TT
REVISED DIAGNOSTIC TROUBLE CODE (DTC) P1172 AND DTC P2636.
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*TT
REVISED DIAGNOSTIC TROUBLE CODE (DTC) P2563.
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*TT
REAR AXLE RETAINER BUTTON BREAKAGE.
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*EH
REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE.
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ORIGINAL NOT YET RECEIVED. *TT
8.625 AXLE PHASING, GROWL, CYCLIC, NOISE WHILE DRIVING.
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*TT
4L60E/4L65E NO REVERSE.
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*TT
INVESTIGATION OF PUMP AREA LEAKS.
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*TT
CDS STICK IN CD PLAYER.
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*EH
HIGH-SPEED 1ST ORDER PROPSHAFT VIBRATION.
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*TT
OIL LIFE SYSTEM RESET PROCEDURES-TRUCKS.
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BUICK TERAZZA 2005, GMC SIERRA DENALI 2002-2003, GMC B7 CHASSIS MEDIUM DUTY 2003-2005 AND GMC 560 C-SERIES 2003-2005 *SC
4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT.
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*EH
HIGHWAY SPEED VIBRATION ON SMOOTH SURFACE.
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*EH
REAR AXLE FLUID LEVEL MAY APPEAR TO BE LOWER THAN PUBLISHED SPECIFICATION.
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*EH
STOP DELIVERY OF CERTAIN FULL SIZE CREW CAB PICKUP TRUCKS.
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FLOOR PLAN EXPENSE REIMBURSEMENT INFORMATION. *TT
BROKEN #2 AND #7 INJECTOR CONNECTOR TERMINALS.
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THIS ALSO INCLUDES LLY 6.6 C2 C3 C4 C5 K2 K3 D4 D5 E4 E5. *EH
STOP DELIVERY OF CERTAIN FULL SIZE CREW CAB PICKUP TRUCKS BUILT AT THE FLINT ASSEMBLY.
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*TT
MEMORY SEAT MAY NOT RETURN TO REQUESTED POSITION.
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*EH
VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC.
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*TT
CRANK NO START, STALL, HARD START, AND NO CRANKING RPM.
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*EH
DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING.
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*TT
ALLISON LCT1000 CLUNK NOISE ON START IN PARK.
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*EH
261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM.
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*TT
ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY.
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*SC
ONSTAR CENTER UNABLE TO PERFORM REMOTE DIAGNOSTIC.
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(2004-2005 CHEVROLET YUKON, 2005 CHEVROLET TRAILBLAZER, 2002, 2003, 2005 BUICK RAINIER, 2005 CHEVROLET EXPRESS VAN, AND 2005 CADILLAC SEVILLE) *SC
NVG149 NP3 TRANSFER CASE MAY EXHIBIT A BIND OR SHUDDER ON TURNS.
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*TC
SPEEDOMETER INOPERATIVE.
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*TC
PING, POP, SNAP, OR CLICK NOISE FROM THE PROPELLER SHAFT.
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*SC
ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS.
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*TT
PERFORMANCE PACKAGE RPO PCX.
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*TT
REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE.
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*TT
02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR.
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*TT
DOWNHILL CRUISE CONTROL SURGE.
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*TT
CRANK NO START WITH NO CRANKING RPM SPARK OR INJECTOR PULSE.
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*TT
CRUISE CONTROL AND/OR THE POWER TAKE OFF UNIT (PTO) MAY BE INOPERATIVE.
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*TT
REAR AXLE LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS.
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*MJ
Transmission
39 bulletinsDIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.
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*TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT
NEW PRODUCT INFORMATION, GRADE BRAKE FEATURE OF ALLISON 1000 SERIES TRANSMISSION.
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*SLC THIS BULLETIN REPLACES 02-07-30-004. *TT
INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS.
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BULLETIN 01-03-10-010B NOT RECEIVED. *TT
This informational bulletin provides technicians with information regarding automatic transmission oil cooler flow test...
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essential tool J-45096 TransFlow.
This Preliminary Information communication provides information to the technician about vehicles that may have a...
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planetary gear whine noise in first and second gear. Technician should compare the noise to a like vehicle. Technician will need to check the build date of the transmission, if it was built after 09/01/2003 and it is determined that a vehicle has an abnormal amount of noise, perform the rear unit end play check. Technician will replace the output planetary gear set if end play is out of specification. The transmission assembly will need to be replaced if the end play is with in specification.
This Preliminary Information communication provides information to the technician about vehicles that have slip in...
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forward ranges immediately after replacing the input housing. Technician will inspect the 3-4 clutches and the forward clutch oil feed passages for leakage between circuits. Technician should apply regulated compressed air to the 3-4 clutch feed hole and the forward clutch feed hole one at a time with the input housing. Technician will need to replace the input housing if there is an air leak 3-4 clutches.
This Preliminary Information communication provides information to the technician about the percentage of UV protection...
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or tint offered by the windshield or side glass. Technician should be advised Windshield reduces UV rays down to 4% or less. Front side door glass reduces UV rays down to 35% or less. Windshields are SOLAR glass with a light transmittance of >/=70%. Front door glass are Solar glass with a light transmission of >/=70%. Rear door glass, quarter windows and back windows can use either Solar glass (>/=70%) or Privacy glass, which has a light transmittance of 20%.
CADILLAC/CHEVROLET/GMC/HUMMER: SOME SUVS AND TRUCKS ARE EXHIBITING A CONDITION WHERE BY GRINDING/RATCHETING TYPE NOISE...
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COMING FROM AUTOMATIC TRANSMISSION WHEN SHIFTING INTO PARK WHILE IN 4WD LOW (4LO) RANGE. *PE
BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT.
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DO NOT REPLACE ENTIRE STEERING GEAR FOR PITMAN SEAL LEAK. TECHNICIANS HAVE BEEN REPLACING ENTIRE STEERING GEARS DUE TO NOT BEING ABLE TO SERVICE JUST LEAKING PITMAN SHAFT SEAL. *PE UPDATED 5/9/11. *PE
GMC: FLUID LEAK FROM TRANSMISSION OIL COOLER LINES DUE TO CORROSION.
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ALL 2000-2006 LIGHT DUTY TRUCKS EQUIPPED WITH THE LIGHT DUTY AUTOMATIC TRANSMISSION. *PE
GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS.
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*NJ UPDATED ON 6/30/2011. *KB
ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE.
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*KB
INSPECTION OF TIRE AND WHEEL SIZE PRIOR TO DIAGNOSIS OF TRANSMISSION SHIFTS, POOR PERFORMANCE, SPEEDOMETER, CRUISE CONTROL CONCERNS.
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*KB
SLIP CONDITION IN 2ND, 3RD, OR 4TH.
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DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
CLUTCH PEDAL FADE OR CLUTCH WILL NOT DISENGAGE TYPICALLY WHEN TOWING.
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*TT
HARSH 1-2 SHIFT, MALFUNCTION INDICATOR LAMP ILLUMINATED, DIAGNOSTIC TROUBLE CODE P0894 STORED IN PCM.
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*TT
4L60-E/4L65-E AUTOMATIC TRANSMISSION/TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION.
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*TT
4L60-E/4L65-E AUTOMATIC TRANSMISSION 2-3 SHIFT CLUNK.
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*TT
4L60-E/4L65-E AUTOMATIC TRANSMISSION SECOND GEAR START, LACK/LOSS OF POWER WHEN ACCELERATING FROM A STOP.
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*TT
SERVICE VME - 8.6 INCH REAR AXLE WHICH EXHIBIT A GEAR WHINE CONDITION (UNTIL DECEMBER 23, 2005).
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*TT
ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT.
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*TT
FLUID LEAKAGE FRONT PUMP OR TORQUE CONVERTER AREA.
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*TT
4L65E (RPO M32) TRANSMISSION ACCUMULATOR SPRING USAGE.
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*TT
4L80E/4L85E HARSH SHIFT OR SLIP NO TCC APPLY.
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*TT
CLUTCH CHATTER ON TRANSMISSION ENGAGEMENT, HARD TO SHIFT, GEAR CLASH.
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*TT
THE FACTORY LUBRICANT FILL LEVEL MAY APPEAR LOWER THAN THE PUBLISHED SPECIFICATION ON VEHICLES EQUIPPED WITH THE...
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11.5-INCH RING GEAR REAR AXLE ASSEMBLY. *TT
SHIFT LEVER POSITION INDICATOR ILLUMINATION RECALL CAMPAIGN.
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*TT
4L80E/4L85E AUTOMATIC TRANSMISSION LEAK CONCERN.
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*TT
NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, P0721 C0237 P0500 C0055.
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*TT
STEERING GEAR WHISTLE NOISE ON TURNS.
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*EH
INVESTIGATION OF EXTENSION SEAL LEAKS ON 4L60E AUTOMATIC TRANSMISSION.
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*TT
TRANSMISSION FLUID LEAK FROM THE FRONT OF THE TRANSMISSION.
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*TT
NEW ESSENTIAL TOOL J 45096 23 AUTOMATIC TRANSMISSION OIL COOLER LINE ADAPTER FOR ALLISON TRANSMISSION.
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*EH
LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION.
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*EH
HARSH 1-2 SHIFT. *EH
ALLISON LCT1000 TRANSMISSION HARD TO REMOVE FROM PARK.
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*TT
M74 ALLISON LCT1000 PTO GEAR APPLICATIONS.
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*TT
4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR.
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*TT
INFORMATION ON ALLISON TRANSMISSION SERVICE REPAIRS - FULL SERVICE OF INTERNAL COMPONENTS.
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*TT
Brakes
24 bulletinsThis Preliminary Information communication provides information to the technician the steps needed to diagnose and...
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repair the vehicles that may have unwanted or phantom phone calls. Technician will need to determine what type of call the customer is having that is unwanted. The vehicle may receive an incoming call just like any other phone. Typically the customer will hear the phone ringing in the vehicle. This scenario also includes incoming Bluetooth calls. One type of unwanted call can be made if the key pad is faulty the OnStar system will try to make a blue button call for shorted voltage in the circuits. The OnStar module could have an internal fault and produce a "Phone Unavailable" audio message also it may have a Diagnostic Trouble Code U1500 or B1000. Refer to diagnostics for the Diagnostic Trouble Code making sure to follow any applicable Bulletins or Preliminary Information sheets. A "Ready" or "OnStar ready" audio message heard while driving. In some cases it has been found that the customer is inadvertently pressing the ?push to talk? button on the steering wheel controls. On rare occasions, other issues in the steering column or Steering Wheel Control system may induce this concern.
This informational bulletin provides technicians with a brake lathe calibration procedure.
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...
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to be replaced if the brake pedal moves or applies on its own at a full turn.
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...
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to be replaced if the brake pedal moves or applies on its own at a full turn.
CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES...
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ARE AVAILABLE, EXCEPT REAR AXLE CROSSOVER PIPE. MODEL 1999-2007 SILVERADO, SIERRA, 2000-2006 ESCALADE MODELS, AVALANCHE, SUBURBAN, TAHOE, YUKON MODELS. *PE UPDATED 7/18/14. *PE UPDATED 12/9/14. *PE
ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE.
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(REGROUND EBCM GROUND). *KB
SERVICE BRAKE BOOSTER MESSAGE.
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*KB
REAR BRAKE PULSATION CHECK DRUM TO AXLE CLEARANCE, WITH RPO JF3 OR JF7.
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*KB
REAR DRUM BRAKES EXCESSIVE WEAR, DRAG, AND AGGRESSIVE.
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*KB
INCREASED STEERING AND BRAKE EFFORT.
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*TT
SQUEAK NOISE ON BRAKE APPLY.
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*TT
SERVICE VME - BRAKE PULSATION DUE TO ROTOR CORROSION.
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*TT
CREAK/TWANG NOISE ON BRAKE PEDAL APPLY ORE RELEASE.
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*TT
BRAKE DRAG OR HIGHWAY SPEED VIBRATION.
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*TT
SERVICE BRAKE BOOSTER MESSAGE.
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*TT
LOW BRAKE FLUID LEVEL SOURCE OF LEAK UNKNOWN.
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*SC
BRAKE TWANG NOISE. GM TECH LINKS.
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*TT
APPLICATION OF HORN AT HORN PAD INOPERATIVE.
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RKE FUNCTION FOR PANIC ALARM WORKS. *TT
PARKING BRAKE MAY NOT HOLD.
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*TT
BRAKE DUST ACCUMULATION.
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*SC
REAR PARK BRAKE CABLE MAY NOT BE PROPERLY CONNECTED.
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*TC GM ADMINISTRATIVE MESSAGE. *TT
ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE.
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*TT UPDATE. *TT
INTERMITTENT NO START, SERVICE STABILITY MESSAGE, ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ILLUMINATED, MULTIPLE DIAGNOSTIC...
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TROUBLE CODES (DTCS), DIC SHOWS UNKNOWN DRIVER, VARIOUS ELECTRICAL RELATED CONDITIONS. INCLUDES ESCALADE ESV AND EXT MODEL. *TT
ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS (CLEAN WHEEL SPEED SENSOR MOUNTING SURFACE).
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*TT UPDATED 10/23/09. *PE
Body & Paint
23 bulletinsThis Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.
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Technician should not replace any parts for this concern. Please communicate to the customer this condition is a normal operating characteristic of their vehicle.
GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD.
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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
GM: ON SOME TRUCK MODELS THERE IS SOME FRAME CORROSION.
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*RM UPDATED ON 5/2/2012. *KB
TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER...
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MIRROR GLASS) *NJ
ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT...
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IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ
DOOR GLASS POPS OUT OF RUN CHANNEL.
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*KB
LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE.
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AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB
UNDERBODY RATTLE. *TT
FRONT DOOR GLASS WILL NOT MOVE OR RATTLE IN DOOR.
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*TT
UNWANTED OPERATION OF REAR WINDOWS.
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*TT
INACCURATE OUTSIDE TEMPERATURE READING ON INSIDE REARVIEW MIRROR.
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*TT
SERVICE VME-OUTSIDE REAR VIEW MIRROR INOPERATIVE.
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*SC
SERVICE VME - OUTSIDE REARVIEW MIRROR VIBRATION.
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*TT
RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS.
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GM TECH LINK. *TT
DOOR HINGE REPLACEMENT KIT.
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*TT
RUST FOUND IN THE INJECTOR INLET FILTER DURING INJECTOR REPAIRS.
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*TT
TAILGATE CABLE SLACK.
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THIS INCLUDES 1998-2006 CHEVROLET AND GMC FULL AND MID SIZE TRUCKS. *EH UPDATED. *KB
UNABLE TO DISABLE AUTO DOOR LOCKS.
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THIS INCLUDES 05 CHEVROLET GMC CADILLAC FULL SIZE TRUCKS AND UTILITIES. *EH ALSO INCLUDES AVALANCE, SILVERADO SUBURBAN TAHOE; GMC SIERRA, YUKON, DENALI, YUKON XL, DENALI XL. UPDATED 8/26/08. *PE UPDATED 5/9/11. *PE
ALLISON LCT1000 OVERDRIVE DISABLE LAMP INOPERATIVE AFTER INSTALLATION OF INSTRUMENT PANEL (IP).
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*TT
INSTRUMENT PANEL CLUSTER PARTS RESTRICTION.
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*TC
RATTLE TYPE NOISE COMING FROM THE REAR OF THE CAB DURING BODY TWIST MANEUVERS OR OVER BUMPS.
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*TT
SERVICE VME - SWITCHING MIRRORS FROM POWER FOLDING TO POWER EXTENDING.
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*MJ
Electrical
21 bulletinsThis informational bulletin provides information on communication with OnStar module after Canadian cellular upgrade.
This Preliminary Information communication provides information to the technician about customers that are unable to...
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override the automatic door locking feature. Technician will update the Body Control Module on 2006 to 2007 model years. On 2010 to 2014 model years technician will need to contact Techline Customer Support for calibrations.
This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle...
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Communication Interface Modules (VCIM) (GMNA Only)
BLOWN MBEC 1 OR LBEC 1 FUSE.
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*KB
IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN.
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*KB
UNABLE TO PROGRAM TIRE SIZE IN EBCM/VSES.
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*KB
UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES.
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*KB
4WD INOPERATIVE AND POSSIBLE DTC C0327 STORED IN THE TRANSFER CASE CONTROL MODULE.
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*TT
HEATED SEAT INOPERATIVE OR SHUT OFF IN 30 SECONDS.
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DIAGNOSTIC TROUBLE CODES B2435, B2440, B3606 AND/OR B1825 SET IN THE DRIVERS SEAT MODULE. *TT
SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET.
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*TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE
SERVICE VMX - DURAMAX INJECTOR WIRING HARNESS SUPPORT BRACKET KIT.
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*TT
INFORMATION ON RESETTING THE BATTERY LIGHT IF IT REMAINS ILLUMINATED AFTER (POWERTRAIN CONTROL MODULE) PCM REPLACEMENT.
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*TT
SERVICE 4WD LIGHT ON WITH EITHER A VARIETY OF DIAGNOSTIC TROUBLE CODES OR NO COMMUNICATION WITH THE TRANSFER CASE CONTROL MODULE.
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*TT
FUEL INJECTOR DRIVER CIRCUIT CODES P0201 THROUGH P0208.
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THIS ALSO INCLUDES 2004 2005 LLY C2 C3 C4 C5 E4 E5 D4 D5 K2 K3 MODELS. *EH UPDATED *EH
AUTOMATIC DUAL ZONE HVAC BATTERY DRAW.
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*AR
SERVICE 4WD LIGHT ON AND NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE.
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*EH
ALLISON LCT 1000 P1781 OR P0802 SETTING IN THE ELECTRONIC CONTROL MODULE.
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(2005 CHEVROLET KODIAK AND 2005 GMC TOP KICK) *SC
BLOWN MBEC 1 OR LBEC 1 FUSE.
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*TT
NO COMMUNICATION WITH ANY MODULES, MULTIPE U-DIAGNOSTIC TROUBLE CODES (DTCS), INSTRUMENT PANEL CLUSTER (IPC) WARNING INDICATORS.
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03-04 CHEVROLET ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 GMC ALL FULL SIZE TRUCKS AND UTILITIES AND 03-04 CADILLAC ALL FULL SIZE UTILITIES. *MJ
4.8L 5.3L 6.6L 8.1L P1285 P1286 OR P2133 AFTER REPLACING APP SENSOR.
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*MJ
ROOF BEACON SWITCH LEFT ON CAUSING BATTERY DRAW.
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GMC GMT 800. *MJ 2005 MODELS ADDED. *TT
Tires & Wheels
15 bulletinsThis warranty administration bulletin provide policy information new tire warranty program and global warranty...
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management submission information.
P245/70R17 GENERAL AMERITRAC TIRE WEAR VIBRATION.
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*KB UPDATED 12/13/07. *NJ UPDATED 1/30/08. *NJ UPDATED 5/25/11. *PE
BRIDGESTONE DURAVIS TIRE CHIP AND TEAR ISSUE.
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*KB
INFORMATION ON P245/75R16 GOODYEAR WRANGLER ST TIRE USAGE/IDENTIFICATION.
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*TT
REVISED WHEEL ALIGNMENT SPECIFICATIONS.
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*TT
AVAILABILITY OF NEW FUNCTIONAL NUT CAPS FOR STEEL WHEELS.
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*TT
20 INCH PLUS SIZE WHEEL RESTRICTION - SUPPLEMENT TO ACCESSORIES BULLETIN ACC04-056.
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GM VOICEMAIL EXPRESS. *TT
WHY THE CREW CAB SHORT BED (5 FOOT 8 INCH) IS NOT RECOMMENDED FOR FIFTH WHEEL TRAILERING.
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*TT
QUADRASTEER INTERMITTENT SERVICE 4-WHEEL STEER MESSAGE.
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*TT
20 INCH WHEELS AND TIRES AVAILABLE THROUGH GMSPO.
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*EH *TT
SERVICE 4 WHEEL STEER MESSAGE WITH DIAGNOSTIC TROUBLE CODE C0455.
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*EH
20 INCH WHEELS STOP SELL ON 1500 CREW CAB WITH 5'8' BED.
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*EH
AVAILABILITY OF 20 INCH WHEELS AND TIRES THROUGH GMSPO ON 2005 MODELS.
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*EH
EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE C0543.
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*TC
REFERENCE GUIDE FOR THE TECHNICIAN TO UPGRADE A VEHICLE FROM FACTORY WHEELS AND TIRES TO 20 INCH WHEELS AND TIRES, WHICH ARE AVAILABLE THROUGH GMSPO.
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*TT
Fuel System
14 bulletinsThis informational bulletin provides dealership personnel with information on flexible fuel vehicles (FFVs) and the...
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usage of E85 fuel in GM vehicles.
GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE.
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*PE
INACCURATE FUEL GAUGE READINGS/REAR FLOAT ARM STUCK.
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*TT UPDATED 03-01-07. *KB UPDATED 3/15/10. *PE
FUEL GAUGE INACCURATE/ DIAGNOSTIC TROUBLE CODE P0461 AND OR P2636/ TRANSFER PUMP WILL NOT SHUT OFF.
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*TT
FUEL GAUGE IS INACCURATE OR READS EMPTY ON DIESEL EQUIPPED CHASSIS CAB WITH DUAL TANKS.
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*TT
DIESEL HESITATION OR THROTTLE DELAY.
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*SC
DURAMAX DIESEL HESITATION OR BACKFIRE.
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*TT
INTERMITTENTLY FUEL FILTER LIFE DISPLAYS 0%.
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*TT
FUEL FILTER REPLACEMENT.
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GM TECH LINK. *TT
INFORMATION ON THE PROPER AIR FILTER FOR THE DURAMAX DIESEL.
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*EH
INFORMATION ON THE REVISED FUEL FILTER FOR THE 6.6L DURAMAX DIESEL.
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*TT
INFORMATION ON SERVICING FUEL INJECTORS TO AVOID CONTAMINATION.
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*EH UPDATED 03-19-07. *KB
FUEL LEAKING FROM BODY OF INJECTOR.
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THIS ALSO INCLUDES 2004-2005 LLY C2 C3 C4 C5 K2 K3 D4 D5 E4 E5 MODELS. *EH
EXHAUST VIBRATION RESONANCE OR MOAN.
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(2004-2005 GMC DENALI) *SC
Lighting
13 bulletinsBUICK\CADILLAC\CHEVROLET\GMC\HUMMER\OLDSMOBILE\PONTIAC\SAAB\SATURN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. FCC RULED IN 2002 WIRELESS CARRIERS WOULD NO LONGER RE REQUIRED TO SUPPORT ANALOG WIRELESS NETWORK STARTING IN 2008. *PE CSC LETTER WAS RECEIVED. UPDATED 12/1/08. *PE
CRUISE CONTROL INOPERATIVE AND/OR MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0833 STORED.
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THE CONDITION MAY NOT BE ABLE TO BE DUPLICATED BY THE DEALER YET THE CONSUMER MAY HAVE A REPEAT CONCERN. *AK
IPC, INTERIOR LIGHTS AND/OR HEADLAMPS FLICKER.
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*AK FB2
SES LIGHT DUE TO DTC P0116.
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*TT
TURN SIGNALS INOPERATIVE.
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*TT
HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED.
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*TT
VOLTMETER IS FLUCUATING BETWEEN 12 AND 14 VOLTS ON THEIR NEW 2005 CHEVROLET/ GMC/ CADILLAC MODEL YEAR LIGHT DUTY FULL SIZE PICKUP AND UTILITY.
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*SC
INTERMITTENT SERVICE 4WD LIGHT COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C0306 OR C0308 STORED IN TCCM.
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*TT
MALFUNCTION INDICATOR LIGHT IS ON AND THE VEHICLE HAS A CODE P0706.
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*TT
INTERMITTENT MALFUNCTION INDICATOR LAMP (MIL) WITH DIAGNOSTIC TROUBLE CODE (DTC) C0374 OR ERRATIC 4WD/AWD OPERATION.
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*TT
SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS).
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*TT
ALL FULL SIZE TRUCKS PICK UP BOX SHEET METAL FRACTURE/DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED.
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*SC
LIGHT SERVICE SUPPORT VEHICLE LSSV (FORMERLY COMMERCIAL UTILITY CARGO VEHICLE - CUCV II AND III) SERVICE.
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*TT
HVAC & Climate
10 bulletinsSOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION.
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*PE
FRONT HVAC BLOWER INOPERATIVE.
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*TT
FRONT BLOWER INOPERATIVE STAY RUNNING DURING LOW AMBIENT TEMPERATURE.
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*TT
HIGH PITCHED TONE HEARD INSIDE VEHICLE WHEN AC COMPRESSOR IS ENGAGED.
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*EH
HVAC NOT COLD ENOUGH A/C COMPRESSOR DOES NOT ENGAGE .
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*EH
HEAT VENTILATION AND AIR CONDITIONING SYSTEM CANNOT BE CONTROLLED OR DEFAULTS TO DEFROST MODE.
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*EH
DIAGNOSTIC INFORMATION TO ACCURATELY DIAGNOSE A/C LOW PRESSURE SWITCH USING NEW KENT MOORE SPECIAL TOOL GE-47742.
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*TT
DRIVER SEAT ADJUSTER MEMORY & HEATER SWITCH WILL NOT ILLUMINATE.
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*TT
AIR CONDITIONER (A/C) LOW PRESSURE SWITCH DIAGNOSTIC TOOL.
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CURRENTLY THE A/C LOW PRESSURE SWITCH OPEN/CLOSE PRESSURES CANNOT BE ACCURATELY DETERMINED BY MEASURING PRESSURE AT THE LOW SIDE SERVICE PORT. *TT
REAR SEAT AUDIO (RSA) AND/OR REAR HVAC INOPERATIVE.
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*TT UPDATE. *TT
Suspension
7 bulletinsThis Preliminary Information communication provides information to the technician about vehicles that have grease leaking from front hub bearings.
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Technician should not replace the bearing for grease purge. Technician should be advised to not clean the purged grease from the area immediately on or adjacent to the seals because this grease provides additional protection. Technician should only replace the bearing if the seals show visible damage, bearing endplay is greater than 0.005" or 0.13mm, bearing exhibits rough rotation, or bearing exhibits abnormal noise.
This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak...
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noise originating from the rear of the vehicle.
SUSPENSION VIBRATION OR FRAME BEAMING AT 40 - 60 MPH.
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*KB UPDATED 8/25/08. *PE
REVISED UPPER CONTROL ARM REPLACEMENT.
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*TT
FRONT HUB BEARING GREASE LEAK.
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*SC
USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY.
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THIS SERVICE BULLETIN REPLACES 030310002. *EH
GREASE LEAK FROM FRONT HUB BEARING.
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*TT UPDATE. *TT
Software & Calibration
7 bulletinsGM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK.
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*RM UPDATED 12/6/11. *PE
EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80.
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*NJ UPDATED 7/17/2008. *PE
SERVICE VME. SUPPLEMENT TO 00-02-35-003L.
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UPDATE ON NEW I-SHAFT. *KB
BRIDGESTONE DUELER PRODUCT INFORMATION UPDATE.
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*KB
HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING.
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*TT UPDATED 7/13/09. *PE
BRIDGESTONE DUELER PRODUCT INFORMATION UPDATE.
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*TT *SC
UNWANTED OPERATION OF THE HAZARD FLASHERS.
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*EH
Steering
7 bulletinsCLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY).
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*PE
EI05061 - INTERMEDIATE STEERING SHAFT CLUNK NOISE OR STICK-SLIP (FOLLOW STRATEGY BASED DIAGNOSTICS).
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05-02-35-003 AND 05-02-35-003A NOT YET RECEIVED. *TT
DIAGNOSTIC TROUBLE CODE C0455, SERVICE REAR WHEEL STEERING, SYSTEM JUMPS FROM 4-WHEEL STEER TO 2-WHEEL STEER.
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*TT
ACCESSORY DRIVE BELT NOISE ON COLD START - REPOSITION POWER STEERING PUMP PULLEY.
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*TT
LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS.
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*TT
CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL.
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*EH UPDATED *EH UPDATED. *KB
VARIOUS STEERING OR SUSPENSION CONCERNS AFTER GM ACCESSORIES 20 INCH TIRE/WHEEL ASSEMBLIES HAVE BEEN INSTALLED.
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*TT
Pre-Delivery & Maintenance
5 bulletinsThis warranty administration bulletin provides information on the Clarification of Use for Dealer Empowerment Labor...
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Operations and Customer Enthusiasm
This warranty administration bulletin provides dealership personnel with policy and procedure requirements for essential...
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tools that include consumable parts (U.S. Only).
This warranty administration bulletin provides information to clarify proper transaction administration of GM Dealer...
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Empowerment Program and Goodwill Cases.
BUICK\CHEVROLET\GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER.
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SPECIAL COVERAGE ADJUSTMENT-ANALOG ONSTAR DEACTIVATION. CSC LETTER WAS RECEIVED. *PE
SERVICE 4WD INDICATOR ILLUMINATED.
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*TC WITH DIAGNOSTIC TROUBLE CODE CO327. *TT
Infotainment
4 bulletinsThis Preliminary Information communication provides information to the technician about vehicles that may have an issue...
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when using Bluetooth voice recognition with an iPhone. Technician should work with the customer to insure the phone contacts to not have any Emojis loaded to any contact.
This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States.
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While in the United States they are unable to receive Turn-by-Turn directions. Due to the existing cellular provider not having roaming agreements in areas outside of Canada to support transmitting of the packet data required for Turn-By-Turn feature to operate. The customer has 3 options while traveling through the United Sates. First if the vehicle is equipped with a navigation radio they can request a "Destination Download" to the vehicle. Second if the customer uses the OnStar RemoteLink app they can send the directions to the vehicle. The third option would be to have the vehicle loaded with a "500 phone number" The customer will no longer be able to use their Hands Free Calling minutes when the new 500 phone number is loaded. If a customer chooses to restore Hands Free Calling in the future a new phone number will be assigned to the vehicle; previous phone numbers are not available.
This informational bulletin provides information on Inappropriate Warranty Claims Submitted for Damaged Radios and IPCs
XM RADIO WAS WORKING PRIOR TO JULY 26, 2004 AND IT IS INOPERATIVE NOW.
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*JB
Air Bags & Safety
4 bulletinsThis informational bulletin provides information to advise dealers about seat belt buckles not operating and/or seat...
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belt warning light illumination, as well as difficulty latching and unlatching the buckle or the buckle release button sticking.
GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE.
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BUCKLE RELEASE BUTTON IS STICKING. SEAT BELT WARNING LIGHT ILLUMINATED. LIKELY CAUSED BY STICKY BEVERAGES THAT ARE SPILLED INTO THE BUCKLE ASSEMBLY. *RM UPDATED 4/3/12. *PE
DUAL STAGE PASSENGER AIR BAG USED IN SINGLE STAGE APPLICATION.
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*KB
SECOND ROW SEAT BELT DOES NOT BUCKLE.
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*TT
Hybrid & EV
2 bulletinsREPLACEMENT PROCEDURE IF HYBRID EMBLEM IS MISSING FALLEN OFF.
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*EH
ACCESSORY POWER OUTLET (APO) TURNS OFF AUTOMATICALLY - PARALLEL HYBRID TRUCK (RPO HP2).
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*TT