2003 GMC Sierra technical service bulletins
580 technical service bulletins and manufacturer communications cover the 2003 GMC Sierra.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition...
- Structure: body: tailgate
- Service brakes, hydraulic: pedals and linkages
- Equipment: electrical
- This informational bulletin provides information on Part Restriction and Ordering Process Information for...
- This informational bulletin provides technicians with information regarding automatic transmission oil...
- This informational bulletin provides dealership personnel with information on flexible fuel vehicles...
- This informational bulletin provides information on a GM of Canada OnStar® cellular communication upgrade.
- Electrical system
- This informational bulletin provides information on communication with OnStar® module after Canadian...
- Equipment: electrical
- Wheels
- Equipment: electrical
- This informational bulletin provides a quick guide to updating which model vehicle after replacing the IPC.
- Chevrolet/gmc/cadillac: anytime hydraulic brake pipes assembly need replacing, pre-formed and pre-flared...
- Gmc/chevrolet: engines, with EGR system, has leakage from EGR cooler engine coolant into the combustion...
- General motors: an optional engine block heater plug in for onboard AC power and with continuous usage...
- Electrical system: instrument cluster/panel
- Power train: automatic transmission
- Visibility: windshield
- This warranty administration bulletin provide policy information new tire warranty program and global...
- Gm: the front or rear door may not open from the inside or outside handle, the door will not unlock with...
- Electrical system
- Engine surge or stall at stop and/or DTC P0742 possible tcc applied
- Electrical system: instrument cluster/panel
- Equipment: mechanical
- Power train
- This warranty administration bulletin provides information on the Clarification of Use for Dealer...
- This informational bulletin provides a list off all the issues revolving around new vehicles for a one...
- Equipment: appliance: air conditioner
- Electrical system
- Gm: on some truck models there is some frame corrosion
- Gm: there are seat belt problems: difficulty latching and unlatching buckle
- General motors service campaign: the HVAC blower may not work at certain functions or may become inoperable
- General motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger...
- Buick/cadillac/chevrolet/gmc/hummer/pontiac/saab: oil consumption and/or exhaust smoke-possible pcv baffle...
- Gear box power steering pump, p/s performance concerns
- Gm: onstar is making incomplete calls without the driver knowing
- Gm: information on fixing multiple situations right the first time
- Gm: the service engine soon light is on, there is also a misfire or engine noise
- Buick/cadillac/chevrolet/gmc/oldsmobile and hummer: information on pitman arm shaft seal service kit
- Chevrolet gmc service campaign: special policy adjustment - injectors - replace
- Inaccurate fuel gauge readings/rear float arm stuck
- Engine low power will not go over 2300 rpms
- Antilock brake (ABS) activation at low speeds (clean wheel speed sensor mounting surface)
- Hard start / no start outside temperatures below freezing
- General motors corp: special coverage adjustment; analog onstar deactivation.
- Service engine soon light is illuminated and the vehicle may not start
- Gmc: fluid leak from transmission oil cooler lines due to corrosion
- Some customers may comment on various HVAC concerns including temperature doors defaulting to full hot...
- Cadillac chevrolet gmc service campaign: instrument panel cluster gauge needle function may cause...
- Cadillac chevrolet gmc service campaign: some vehicles could develop a condition where one or more of the...
- Gmc: fuel gauge fluctuation in park or neutral, causing the low fuel light to illuminate.
- Buick cadillac chevrolet gmc hummer oldsmobile pontiac saab saturn service campaign: special coverage...
- Suspension vibration or frame beaming at 40 - 60 mph
- Clunking noise under hood and CAN be felt in steering wheel and/or steering column (replace upper...
- Diagnostic information on MN8, MT1 ses/MIL illuminated, DTC P0757, harsh shift, delayed 2-3 shift, 2-3...
- Chevrolet gmc service campaign: special coverage adjustment - engine glow plug on certain vehicles with...
- Possible engine oil leak due to pcv freeze-up, equipped with the 4.8, 5.3, 6.0, and 6.2 V-8 engines
- Eaton locking differential chatter shudder noise on turns, equipped with a locking rear differential rpo G80
- Tire slowly goes flat and/or excessive wheel vibration caused by bead splits (replace wheels with new...
- Service 4WD light illuminated, diagnostic trouble code (DTC) C0374 set
- DTC C0327 with or without additional dtc's setting
- One of the following concerns when programming the mileage or the hours into an exchange instrument panel...
- Blown mbec 1 or lbec 1 fuse
- Turn signal in camper style outside rearview mirror (rpo dpn) does not illuminate turn signal flash...
- Allison LCT1000 harsh 3-2, 2-1 downshift, and ABS may activate
- Release of steering gear stub shaft bearing kit for service
- Rear leaf spring slap or clunk noise (replace spring inserts) tt updated 10/18/07
- IPC backlighting inoperative tbc 2A fuse open
- New design front axle side bearing adjusters
- ABS light on, dtc's C0265, C0201, U1041 set and/or loss of communication with brake module
- Diesel engine cylinder head gasket missing thickness grade markings
- Service brake booster message
- Multiple driveability symptoms of long or hard starts, chuggle, rough idle and light or intermittent...
- Unable to program tire size in ebcm/vses
- Unable to locate emergency light relay and/or blunt cut wires
- Dual stage passenger air bag used in single stage application
- Slip condition in 2ND, 3RD, or 4TH
- Service vme
- Inspection of tire and wheel size prior to diagnosis of transmission shifts, poor performance,...
- Various intermittent driveability conditions - hesitation, lack of power, etc
- Dual tanks fuel gauge defaults to empty - new calibrations
- Tailgate cable slack
- Service engine soon (SES) light, P0087, P0093, P1093, low power, no start, hard start, fuel in crankcase
- Information on servicing fuel injectors to avoid contamination
- Left front axle shaft difficult to remove
- New product information, grade brake feature of allison 1000 series transmission
- Clutch pedal fade or clutch will not disengage typically when towing
- Turbocharger oil feed line kinked or restricted
- Diagnostic information on turbocharger malfunction due to lack of engine oil for lbz, LB7, and lly duramax...
- Generation III V8 engine piston repairs
- Revised upper control arm replacement
- Transmission leaks, slips, vehicle will not move
- 4WD inoperative and possible DTC C0327 stored in the transfer case control module
- Front HVAC blower inoperative
- Heated seat inoperative or shut off in 30 seconds
- Service vme - 2006 duramax diesel engine fuel system components are not interchangeable with earlier year...
- Intermittent no start, service stability message, anti-lock brake system (ABS) light illuminated, multiple...
- Information on longer main bearing cap bolts required for certain 2001-2006 LB7, lly, lbz duramax diesel...
- Rattle/squeak from front of vehicle
- Lack of power LU3 engine) at high ambient temperatures only (if necessary, reprogram PCM with new service...
- Electronic transfer case unable to complete shift
- Duramax diesel pilot to main injection fuel knock noise
- Advance service information - exhaust system popping/snapping noise when vehicle is hot, at idle or...
- Anti-lock brake system (ABS) light on, diagnostic trouble codes (DTCS) C0265, C0201, U1041 set and/or loss...
- Fuel gauge is inaccurate or reads empty on diesel equipped chassis cab with dual tanks
- Unwanted operation of rear windows
- Engine oil leak at rear cover assembly area
- No start, hard start, loss of power, or white smoke
- Duramax diesel engine hard start, no start, stall of diagnostic trouble code P0093, P1093
- Ping, pop, snap or click noise from the propeller shaft
- Engine oil dipstick unseated or oil leak
- Inaccurate outside temperature reading on inside rearview mirror
- 4L60E, 4L65E replacement valve body gaskets does not seem to fit
- 01-05 6.6 lly LB7 duramax diesel engine air filter usage
- Supplement to 03-06-01-024B 4.3L LU3 L35 timing chain tensioner
- Diagnostic trouble code P0128 or engine will not reach operating temperature
- Service vme-outside rear view mirror inoperative
- Additional diagnostic information DTC P0757
- Hard start or extended crank time on initial cold start when using alcohol blended fuels
- Transmission oil leak, abnormal knocking noise heard at idle
- The service engine soon lamp is illuminated, no 3RD and 4TH gear, the transmission does not shift...
- Unwanted/loose seat movement
- Intermittent service 4WD light comes on with diagnostic trouble code (DTC) C0306 or C0308 stored in tccm
- Service vme - outside rearview mirror vibration
- Reference guide for the technician to upgrade a vehicle from factory wheels and tires to 20 inch wheels...
- Information on upgrading certain onstar generation 5 analog/digital-ready systems to onstar generation 6...
- Diagnosis of cracked or broken transmission case
- Diagnostic information for turbo failure due to lack of oil or repeat turbo failures
- Memory seat may not return to requested position
- Information on the revised fuel filter for the 6.6L duramax diesel
- Heated seats turn off
- Program bulletin (customer satisfaction PROGRAM)-15,000 mile (24,000 km) fuel filter change
- Intermittent heated seats inoperative, diagnostic trouble code B3941 set
- Engine overheating
- Flexible fuel (rpo L59) rough idle, misfire, malfunction indicator lamp diagnostic trouble code P0300
- Rough idle, service engine soon (ses)light, unstable idle, hesitation, surge or stalling
- Oil leak from the pcv vent tube
- Rear axle retainer button breakage
- Intermittent malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) C0374 or erratic 4WD/AWD...
- No shift, speedometer erratic/inoperative, P0721 C0237 P0500 C0055
- Malfunction indicator light is on and the vehicle has a code P0706
- 1999 - 2005 gen II cold engine misfire at idle with possible P0171 and/or P0174
- Anti-lock braking system (ABS) telltale illuminated with diagnostic trouble code C0550
- Steering idler arm inspection procedure
- Door hinge replacement kit
- The ignition distributor cap and rotor may corrode and cause ignition system failure
- Information on higher than expected oil consumption
- Transmission has a harsh 1-2 shift, slipping 1-2 shift followed by a harsh engagement
- Oil leak under extreme cold temperatures (-34 degrees c) (-30 degrees f) or colder)
- Sir light on steady after bulb test and no diagnostic trouble codes (DTCS)
- Lack of steering assist or shudder during parking lot type maneuvers
- Highway speed vibration on smooth surface
- Diesel oil leak from pcv vent tube
- 4WD models with noise, vibration on dry pavement
- 4L80E output carrier thrust washer changes
- Engine overheat on vehicles equipped with rpo vyu snowplow prep package
- Diesel engine balance rates all showing zero
- Application of horn at horn pad inoperative
- Transmission slips, delayed engagement, cold hesitation, intermittent, poor performance, power, shift,...
- Diagnostic trouble code (DTC) P1172 or P2636, fuel gauge reads empty, service engine soon (SES) light on
- Handling characteristics of vehicles with 20 inch wheel/tire assemblies installed
- Steering gear whistle noise on turns
- Revised front caster and camber adjustment procedure
- Replacement of connector when replacing fuel tank module/fuel pump module
- Revised inspection/maintenance (i/m) evaporative emission (EVAP) system set procedure
- Revised diagnostic trouble code (DTC) P1172 and DTC P2636
- Revised diagnostic trouble code (DTC) U2104
- Pickup box sheet metal fracture / damage with aftermarket accessories installed
- Poor engine performance - misfire, rough idle, service engine soon/check engine light illuminated,...
- Duramax air filter
- Diagnostic trouble code C0455, service rear wheel steering, system jumps from 4-WHEEL steer to 2-WHEEL steer
- Poor engine performance - misfire, rough idle, stalls, engine cranks but does not run, service engine...
- LB7 engine vibration miss or runs rough no diagnostic trouble code
- Leak from the vent 4L80E/4L85E transmission
- Service 4 wheel steer message with diagnostic trouble code C0455
- Engine low oil light on the dic
- Rear seat audio (RSA) and/or rear HVAC inoperative
- Information on engine ticking
- Rear parking brake shoe retaining spring clip service kit for drum-in-hat (DIH) equipped vehicles
- Onstar system inoperative onstar system status light is red radio locked in phone mode or DTC B1000
- Information on the proper air filter for the duramax diesel
- Quadrasteer intermittent service 4-WHEEL steer message
- New essential tool j 45096 23 automatic transmission oil cooler line adapter for allison transmission
- Allison LCT1000 pump separator plate change disregard additional valve
- Engine oil leak at main bering side bolt
- Fuel pressure regulator connector or terminal repairs
- Excessive oil consumption
- Diagnostic trouble code C0327 with or without additional diagnostic trouble codes setting
- Allison LCT1000 clunk noise on start in park
- Excessive shifter and/or engine vibration, bearing growl and/or rattle type noise while depressing or...
- Generation 5 onstar steering wheel control function
- Check engine light with a P0300 due to 2-4 cylinders misfiring on the same bank of the engine
- 261 transfer case drivelines growl 1100-1200 RPM
- Ping, pop, snap, or click noise from the propeller shaft
- Programming onstar module for canadian french voice recognition
- Oil leak at cooler to engine block mating surface
- Tailgate support cable
- Allison LCT1000 pump whine noise
- Blown mbec 1 or lbec 1 fuse
- M74 allison LCT1000 pto gear applications
- Service engine soon light and reduced engine power with a diagnostic trouble code P1516
- Engine coolant loss with no visible leaks
- Low brake pedal, red brake light on, brake system warning message on
- Antilock brake system light on service brake system message on driver information center
- HVAC not cold enough a/c compressor does not engage
- High pitched tone heard inside vehicle when AC compressor is engaged
- Rattle type noise coming from the rear of the cab during body twist maneuvers or over bumps
- Inspection of tire and wheel size prior to diagnosis of transmission shifts, poor performance,...
- Use of synthetic front axle lubricant for 4WD vehicles sold in cold weather climates
- Underhood air conditioner rattle noise heard on acceleration or a sudden loss of air conditioner system...
- Clutch pedal squeak
- The service information and owners manual do not show a service interval for the 8.6, 9.5, 9.75, 10.5, and...
- Service vme - switching mirrors from power folding to power extending
- No communication with any modules, multipe u-diagnostic trouble codes (DTCS), instrument panel cluster...
- Suspension vibration or frame beaming at 40 -60 mph
- Bearing growl or rattle type noise while depressing or releasing the clutch pedal
- 4L60E/4L65E intermittent neutral condition while accelerating from a stop or while driving
- Poor air conditioner performance - air conditioner will not blow cold enough
- Information on allison transmission service repairs - full service of internal components
- Diagnostic information to accurately diagnose a/c low pressure switch using new kent moore special tool...
- HVAC blower motor inoperative or stays running
- Start/stall or poor driveability after restart, loss of gasoline or cng hours/miles data with bi-fuel vehicle
- Cranks but no start, stall, inaccurate/incorrect fuel gauge reading, no fuel, vehicle is out of fuel and...
- Clunking noise under hood and CAN be felt in steering wheel
- Automatic dual zone HVAC battery draw
- Front power window noisy or inoperative
- Oil life system reset procedures-trucks
- Availability of rear wheel mud flaps to reduce debris build-up on rear brake calipers and/or rear wheels
- Information on revised design of intake gasket and related bolts for 2004 mid-year enhancement and prior...
- Slow or no engagement of automatic transmission no start blank prndl display flashing prndl diagnostic...
- Idle instability, low or rough idle with electronic throttle control
- Use of correct installation procedure for loose hubcap assembly
- Heat ventilation and air conditioning system cannot be controlled or defaults to defrost mode
- Windrush around windshield
- Proper use of labor operation code when diagnosis leads to sir passenger presence system replacement
- Allison LCT1000 dark or discolored transmission fluid with no loss of performance
- Front suspension coil spring noise
- Outside rearview mirrors may blow in at highway speeds or power folding feature appears inoperative
- Gm is announcing a product emission recall, number 04016
- Revised fuel system diagnosis cab chassis
- Growl or moan noise coming from front axle
- Clunking noise under hood and CAN be felt in the steering wheel
- Evaporative emission system diagnostic disabled by incorrect fuel level reference
- Service engine soon (SES) light, P0087, P0093, P1093, low power, no start, hard start, fuel in crankcase
- Revised air conditioning (a/c) system performance test
- 4L80E, 4L85E whine noise in first and second gear
- Air bag lamp on, passenger air bag indicator always reads off, diagnostic trouble code (DTC) B0092 set
- Revised diagnostic trouble code P0336
- Rattle noise in engine
- Inoperative 4WD/AWD lamps, inoperative 4WD/AWD system
- Revised wheel drive shaft nut torque specification
- Service information for front heated seat inoperative/cold
- Personal trip business trip feature must be on for trip odometer to accumulate
- Enabling memory seat feature via dic if feature appears inoperative
- Exhaust moan/vibration
- Power window motor now available separately from the power window regulatory assembly
- Incorrect amp code generator
- Diagnostic information for intermittent vehicle no crank dead battery
- Bulletin 04-08-64-003, front door power window motor assemblies - warranty repair information
- Air conditioning compressor belt or tensioner jumps or flutters causing a rattle noise
- Lack of power with tac module code of P1518 reduced power mode
- Electronic brake control module part restriction
- Erratic idle, idle surge, rough run, or near stall
- D height specification missing from si
- HVAC digital display does not illuminate or function
- Inside rearview mirror compass inoperative
- Quadrasteer service update
- Hard to fill fuel tank at high volume diesel pumps
- 2003-2004 generation 5 onstar steering wheel control function explanation
- 6.6L and manual transmission growl noise while engaging or disengaging clutch
- Timing chain tensioner breakpoints for service kit or production fix for vehicle exhibiting rattle-type...
- Allison LCT1000 no shift, speedometer erratic/inoperative, diagnostic trouble codes (DTCS) P0721, C0237...
- 6.6L LB7 duramax diesel diagnostic trouble code (dtc)s P0201 - P0208
- 6.6 liter duramax diesel engine fuel knock noise
- Engine whistle noise
- Outside rearview mirrors memory operation
- No 2ND, no 4TH and no reverse
- Slip condition in 2ND, 3RD or 4TH damaged 2-4 band 3-4 clutch on the 4L60E/4L65E automatic transmission
- 2004 6.6L duramax LB7 engines with extended crank during hot engine restart
- Supplement brake assist noisy and may run continuously
- 4L80E, 4L85E automatic transmission diagnostic trouble code (DTC) P0706 and vehicle may not start
- Quadrasteer parts restriction
- 6.6L LB7 duramax diesel turbocharger noises or fuel economy complaint
- Vehicle has no PCM (power train control module) communication with tech 2
- Gen III replacement flywheel bolt holes larger than original part
- Timing chain tensioner breakpoints for service kit or production fix
- 6.6L LB7 diesel engine recapping tool for fuel system high-pressure side diagnosis
- Allison LCT1000 knock noise and possible leak from the torque converter area
- Allison LCT1000 prndl flash and/or will not move with P0721, P0731, P0732, P0733, P0734, P0743, P0746,...
- Duramax diesel fuel in oil diagnostics
- This message is in regard to duramax turbocharger noises or possibly a performance or fuel economy complaint
- 6.6L LB7 engine - fuel rail pressure regulator harness connector servicing
- 6.6L LB7 repeat engine oil leak (left side) #2 main bearing cross bolt
- 6.6L LB7 lly diesel engine drive belt chirping on shut down
- Business trip and/or personal trip odometer inoperative
- XM rapid activation utilization
- Locking gas cap availability
- Service 4 wheel steer message with diagnostic trouble code (DTC) C0455
- Poor ground connection causing diagnostic trouble code (DTC) C0265
- Fuel gauge diverts to empty after idling on incline
- Windshield reveal molding flutering
- Anti-lock braking system (ABS) light on and the ABS pump motor continues to run
- Programming control heads - HVAC AC
- Left front of vehicle sits low
- Lack of steering assist or shudder during parking lot type maneuvers
- Product information on rear slider
- Excessive tire spin setting diagnostic trouble code (DTC) CO542
- Hazard light flashes when turn signal applied
- Drivers or passengers heated seats turn on by themselves
- Driver personalization regarding memory seats
- Radio cd skips/ejects or clock resets to 12:00
- Lack of steering assist when stopped or during parking lot type maneuvers
- Allison LCT1000 will not shift from park due to ice, snow or mud build-up on shift linkage
- Replacement radio reads cal error, has no audio or will not program
- ABS and red brake malfunction indicator light on with no diagnostic trouble codes
- Inaccurate fuel gauge readings and/or engine stall
- Diagnostic trouble code tips- LCT1000 transmission
- Power folding mirrors will not fold inward
- ABS telltale illuminated, diagnostic trouble code C0550 stored in history
- Coolant leak from head cup plugs on gen III engines
- Electronic brake control module part restriction
- Blower motor operates on high only
- Vibration from engine mount bracket
- Fuel gauge diverts to empty after idling on incline or refueling
- Intermediate steering shaft service kit
- 4L60E, 4L65E forward and low reverse waved steel clutch plate appearance change
- Gen III engines with maf (mass airflow) sensor code P0101
- XM error on a radio display
- 6.6L diesel engine rough idle, clatter, stall and/or diagnostic trouble code (DTC) P1223
- Repeat rear axle hub seal leak
- Engine overheats on vehicles equipped with rpo vyu snowplow prep package
- Onstar system is attempting and/or completing phone calls which the operator of the vehicle did not initiate
- Dual stage air bag used in single stage application
- Poor ground connection causing diagnostic trouble code (DTC) C0265
- Highway speed vibration on K2500HD 4WD vehicles equipped with a 4L80E automatic transmission
- Intermittent no forward or reverse with possibly either a flashing prndl display or a range shift...
- Low power, will not go over 2300 rpms
- 6.6L LB7 lly diesel engine with rough, unstable, low idle speed or stall
- Roll-out for the gen III small block engines with iridium spark plugs
- Allison LCT1000 prndl flash and/or will not move
- 4.3L L35 engine wide open throttle diagnostic trouble code (DTC) P0335, P0336, P0339
- Loss of power, hesitates on acceleration on 4.8, 5.3 and 6.0 engines coupled with the 4L60E or 4L65E...
- Allison LCT1000 buzz, moan noise at 1400 RPM with the 8.1 L18 gas engine
- Low audio output from speakers
- 4.3L L35 engine-diagnostic trouble code P0300 but no misfire CAN felt
- Service 4WD light on no codes besides U1000 codes or C0550
- Instrunment panel cluster (IPC) gauges inoperative at times while cranking
- Allison LCT1000 diagnostic trouble codes (DTC) P1711, P0872 after completing repairs
- 8.1L changes in heads, bolts and gasket for for 2004 1/2 engines
- Snow plow prep package information - service vme
- Buzz noise and virbation in the accelerator pedal at approx
- Engine coolant leak at intake gasket
- Intermittent service engine soon (SES) light comes on and code P0700 along with diagnostic trouble code...
- Noise coming from instrument panel cluster or tachometer
- Inaccurate fuel gauge readings and/or engine stall
- Allison LCT1000 oil pump whine, buzz on cold start
- Outside rearview mirror glass may crack
- A no charge condition with diagnostic trouble code (DTC) P0380, P0621
- Higher than expected oil consumption even after the intake bolts were replaced per 02-06-01-035
- Unable to locate emergency light relay and/or blunt cut wires
- Battery or charge indicator light remains on for up to 30 seconds after a cold start and engine running
- Oil pan or oil cooler line leak on gen III V-8 engines equipped with an oil cooler
- Engine misfire due to injector fretting corrosion
- Power steering fluid leaking at hydraulic brake booster
- Clutch pedal assembly squeak noise
- Repeat engine oil leak at main bearing side bolt
- 6.0L LQ4 VIN u engine restriction
- Parts showing no stock or not available
- Replacement tailgate cables bind at shoulder bolt
- Engine cylinder head cup plug coolant leak
- Squeak or creak noise from underbody over bumps
- 4.8L 5.3L 6.6L 8.1L P1285 P1286 or P2133 after replacing app sensor
- Service vme - 03 - 04 full size truck, utilities and hummer H2 passenger door module inoperative
- When using voice recognition dialing, some numbers or commands may not be understood by the system...
- Rear axle locking differential chatter shudder noise on turns
- Tinny rattle type noise from the roof at highway speeds
- Various steering or suspension concerns after gm accessories 20 inch tire/wheel assemblies have been installed
- Service engine soon light and / or reduced engine power mode due to diagnostic trouble codes P0120, P0220,...
- Cruise control and/or the power take off unit (PTO) may be inoperative
- Timing chain tensioner breakpoints for service kit or production kit
- Air conditioner (a/c) low pressure switch diagnostic tool
- Whistle noise from the throttle body area on light throttle acceleration on vehicles with gen III engines...
- Crank no start with no cranking RPM spark or injector pulse
- Updated part number for bulletin 04-08-49-019 stall, inaccurate/incorrect fuel gauge reading
- Rattle type noise coming from the rear of the cab during body twist maneuvers or over bumps
- Downhill cruise control surge
- Repeat HVAC blower motor failure
- Paint for the 2003 GMT800 trucks for canadian dept
- The engine coolant temperature or intake air temperature sensor may read -40 degrees when monitored with...
- 02-05 onstar equipped vehicles emitting beeping noise before connecting to onstar
- 03-06-04-037 supplement - evap canister installation information
- Auto volume inoperative after ignition key is cycled
- Engine tick, rattle or knock noise after cylinder head gasket replacement on the 6.0L engine
- Intermittent concern of the service 4 wheel steer message being displayed on the dic
- Replacement flexplate may have larger bolt holes than the original flexplate
- Service engine soon light with a P0300 misfire due to misfires mainly on cylinder 7
- Additional part numbers for bulletin 02-01-38-007B
- Allison LCT1000 diagnostic trouble code P1711, P0872 after completing repairs
- All full size trucks pick up box sheet metal fracture/damage with aftermarket accessories installed
- Concerns regarding bulletin 00-02-35-003F
- Duramax diesel low power and fuel economy
- Speedometer inoperative
- Excessive tire spin setting diagnostic trouble code C0543
- Gas engines exhaust buzz or rattle noise
- Exhaust vibration resonance or moan
- Gen III engine coated piston information
- Allison lct 1000 prndl flash and/or will not move
- Engineering investigation - catalytic converter replacement
- 6.6 LB7 engine with a no charge condition with diagnostic trouble code P0380 P0621
- P0420 and P0430 dtsc in the detroit, michigan area with gen III V-8 engines
- Allison lct 1000 buzz noise feel on tcc apply
- Supplement to 00-02-35-003F clunking noise under hood and CAN be felt in steering wheel
- Oil pan or oil cooler line leak
- Allison lct 1000 P1781 or P0802 setting in the electronic control module
- Intermittent air bag telltale sets a false diagnostic trouble code of B0083 and or B0084
- Transmission oil cooler line fitting clarification
- Exhaust vibration resonance or moan in vehicles with gen III V8 engines
- Allison LCT1000 overdrive disable lamp inoperative after installation of instrument panel (IP)
- Automatic dual zone HVAC battery draw supplement to 02-01-39-007A
- Allison LCT1000 transmission hard to remove from park
- Revised clutch pressure plate adjustment
- OBD system software upgrade - on-board diagnostic (OBD) system software upgrade - diagnostic trouble code...
- Transmission oil leak, abnormal knocking noise heard at idle
- Lack of passenger compartment heat and/or raised/rough idle after start and/or P0128 diagnostic trouble...
- 4.3L LU3 engine hot soak hesitation low power
- Service 4WD light on, the 4WD is inoperative and no codes besides U1000 codes
- Rear spring slap or clunk noise
- Passenger compartment air filter
- 6.6L LB7 engine with diagnostic trouble code (DTC) P0201 and P0208
- Gen III engine noise after hot soak restart
- Coolant loss (into the crankcase)
- Allison LCT1000 serviceability
- Allison LCT1000 repeat transmission control module (TCM) failures with possible multiple diagnostic...
- The allison LCT1000 transmissions may experience a leak from oil pump area
- XM radio must be tuned to channel 1 through 66 during activation attempt
- Service 4WD light on no codes besides U1000 codes
- Poor performance from a stop in 2WD, auto or 4WD hi
- Cam sensor connector does not fit sensor when engine is replaced
- Diagnostic trouble code C0327 with or without additional diagnostic trouble codes (DTCS) setting
- Service engine soon (SES) light on with tac module codes P1516 and possible codes P1514, P1515, P1518
- 4L80E/4L85E may set a diagnostic trouble code (DTC) P0706 (transmission range switch performance) and...
- Fuel leak concern from the fuel rail pressure sensor
- Airflow sensor problem
- Transmission fluid leaks out of vent when truck is started after a cold soak
- Some customers may comment that the transmission slips, a shudder, chuggle, or vibration is felt when the...
- This bulletin is being issued to revise step 4 of diagnostic trouble code (DTC) P2135
- 4L60-E automatic transmission oil pump first and second design identification
- Transmission fluid leak from front of transmission - torque converter housing/pump area
- Instrument panel cluster (IPC) gauges inoperative
- Front power window noisy or inoperative on vehicles located in michigan only
- Duramax diesel fuel in oil diagnostics revisited
- The engine diagnostic fuel leaks inside of the engine
- Excessive duramax turbocharger whine noise or possibly a performance or a fuel economy complaint
- Starter cranks after key is released (normal condition)
- Revised diagnostic trouble code (DTC) P0093 or DTC P1093 diagnostic tables
- Revised engine cranks but does not run diagnostic
- Revised fuel system diagnosis-high pressure side
- Revised fuel system diagnosis pickup
- Revised fuel injector balance test with tech 2 (manual transmission)
- Revised fuel injector balance test with tech 2 (automatic transmission)
- Information on new spark plugs and gapping
- Allison automatic transmission valve body hardware changes
- Inner tie rod released for service
- Revised fuel leaks inside of engine diagnostic
- Blueheat coolant heater thermo top c
- Loss of coolant
- Diagnostic information for replacement remote keyless entry (RKE) transmitter inoperative - unable to...
- Avoiding oil level sensor harness damage during lower oil pan installation
- Availability of replacement parts for wide load outside rearview mirrors
- Information on removing front door trim panel to avoid breakage
- This vme message applies to the valve body for the allison series 1000 transmission revised for the 2004...
- Malfunction indicator lamp (MIL) is on; the transmission is stuck in third gear; and / or the instrument...
- Higher than expected oil consumption <8500 gvw. various models including 2003-2004 chevrolet kodiak...
- Availability of starter motor solenoid if damaged during service
- Fluid leak from front of vehicle add teflon tape to front axle vent plug threads
- Service engine soon light on with diagnostic trouble code P0446 set replace canister
- Service four-wheel drive light and the four-wheel drive is inoperative
- Revised requirements for installing the running board
- Rust on back side of front bumper
- Tweeter speaker rattle in front side door(s), tweeter speaker falls out of position
- Information on removing the front door trim panel during switch removal to avoid breakage
- Summary of published bulletins
- Exhaust rattle noise or vibration
- Left camper mirror will not lock into detent when mirror is folded inward
- Air conditioning (a/c) inoperative / intermittent, air conditioner blows warm air
- Right rear inner brake pad wear
- Daytime running lamp (DRL) bulb replacement
- Programming of replacement onstar vehicle communication and interface modules (VCIM)
- Serpentine belt identification and diagnosis for medium duty trucks
- Changes in air conditioning compessor on/off instrument panel display symbol from 2003 to 2004 model year...
- Revised wheel drive shaft inner joint and seal replacement
- Revised diagnostic trouble code P1125
- Check engine light on with no drivability concerns, diagnostic trouble code P0120, P0220, P1516, or P1518 set
- Outside rearview mirror courtesy lamp falls out, bulb burns out
- Service 4WD light on, 4WD inoperative, diagnostic trouble codes C0300 and/or C0305 set
- Instrument panel cluster high beam indicator too bright
- Passenger door module recall for remote keyless entry, front passenger power window, lock, mirror and...
- Anti-lock brake system (ABS) telltale light being constantly illuminated with a diagnostic trouble code...
- Multiple diagnostic trouble codes, including any or all of P0708, P0847, P0872, P0875, P1711 or P1713,...
- Remote keyless entry system inoperative
- No audio out of speakers at times
- Whine noise from front axle
- Remote keyless entry (RKE) system inoperative
- Accessory drive belt whine
- 4-WHEEL drive light, 4-WHEEL drive inoperative, diagnostic trouble codes C0327, P0836, P0500
- Concerns with the service four-wheel drive light or the four-wheel drive is inoperative with a C0327 code...
- Second row seat center armrest panel warping
- Engine starter cranks after key is released on cold start
- 6.6L LB7 duramax diesel fuel pressure regulator replacement
- Seat heater and/or memory power seat inoperative
- Rattle in floor console cupholder door
- 6.6L and manual transmission growl noise while engaging or disengaging clutch
- XM dealer assistance line information
- Wrong spark plugs
- Front passenger side manual seat does not fully lock into position
- Potential battery drain condition
- Spark plug replacement
- Exhaust / muffler heat shield rattle, popping noise under vehicle
- Voluntary emission recall involving spark plug replacement
- Customer satisfaction program regarding battery drain condition
- Poor air conditioner performance - air conditioner will not blow cold enough
- Engine knock or lifter noise
- Vehicle will not start caused by the steering wheel position sensor
- Clunk noise on a 3-2 downshift
- Allison transmission control module fastlearn procedure update required after transmission repairs
- Vehicle will not start condition
- Front driver and/or passenger door lock bezel is loose and falling out
- Information on engine ticking
- Rear quarter glass service replacement kits may have deformed sealing striped when initially removed from...
- Buzz noise felt in the accelerator pedal on the first acceleration after starting the vehicle
- Information on diagnostic trouble code 63 for passenger sensing system that is not calibrated
- This message is to provide dealers with an awareness of two new commands available via voice recognition...
- Rpo C82 no longer include the instrument panel jumper wiring harness
- Availability of rear seat shoulder belt comfort guides
- Snowplow roof beacon (LAMP) inoperative
- Trailer brakes applied when headlights / park lamps are on, brake controller illumination
- Scraping noise from rear of vehicle
- Some vehicles may exhibit a reduced brake power message on the driver's information center (DIC)
- Diagnostic information for intermittent transmission downshift, slip, busy/cycling tcc or noisy cooling fan
- Contacting tac prior to replacement of an engine control module (ECM)
- This message is about the transmission not shifting into gear with the clutch pedal fully depressed
- This message is about hydraulic fluid usage for the hydraulic clutch system
- Less than desirable AC performance, especially when the ambient temperature is above 90 degrees on...
- Power folding mirrors have no detent or they may flop in the wind
- Oil leak at oil cooler to engine block mating surface
- Center console lid hard to open or close
- Customer satisfaction program regarding engine oil contamination for certain models including the 2003 gmc...
- Customer satisfaction program regarding engine oil contamination
- Subject regarding availability of pickup box reinforcement kits for toolbox / rear window barrier / ladder...
- Subject regarding new enhancement for technical assistance calls related to any electrical issues
- Subject regarding power folding outside rearview mirror operation prior to customer delivery and / or test...
- Some customes have commented that when the mirror is manually folded inward or outward, the mirror does...
- Some customers may comment that the manual lock lever comes loose from the door trim panel
- Some customers may comment that the 4WD/AWD indicator lights on the selector switch do not work or the...
- Concerns with launch shudder / vibration on acceleration
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