2003 Chevrolet Avalanche technical service bulletins
349 technical service bulletins and manufacturer communications cover the 2003 Chevrolet Avalanche.
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Equipment: other: owners/service/other manual
- Equipment: electrical
- This preliminary information communication provides information to the technician about finding needle...
- This informational bulletin provides information on Part Restriction and Ordering Process Information for...
- Engine and engine cooling: exhaust system: emission control: catalytic convertor
- This informational bulletin provides information to advise dealers about seat belt buckles not operating...
- 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.
- Equipment: electrical
- 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...
- Engine and engine cooling
- General motors: diagnosing power steering concerns
- Structure: body: tailgate
- Electrical system: instrument cluster/panel
- Visibility: windshield
- This warranty administration bulletin provide policy information new tire warranty program and global...
- Gm: if the service suspension system is displayed on the dic, the trim height may be incorrect, loose...
- Gm: the front or rear door may not open from the inside or outside handle, the door will not unlock with...
- 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
- Power train: axle assembly
- Service brakes, hydraulic
- Electrical system
- Gm: on some truck models there is some frame corrosion
- Buick/cadillac/chevrolet/gmc/oldsmobile: if blower motor is set to any speed position and when key is off,...
- 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: 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
- Brake pedal assembly replacement bracket service kit
- Antilock brake (ABS) activation at low speeds (clean wheel speed sensor mounting surface)
- 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...
- Buick chevrolet gmc service campaign: special coverage adjustment-analog onstar deactivation
- 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...
- Gmc: sir MIL DTC B0084 and/or B0085
- 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
- Service 4WD light illuminated, diagnostic trouble code (DTC) C0374 set
- 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...
- Additional diagnostic for yaw/lat sensor dtc's
- Rear leaf spring slap or clunk noise (replace spring inserts) tt updated 10/18/07
- New design front axle side bearing adjusters
- ABS light on, dtc's C0265, C0201, U1041 set and/or loss of communication with brake module
- 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
- Slip condition in 2ND, 3RD, or 4TH
- Service vme
- Clunking noise under hood and CAN be felt in steering wheel
- Tailgate cable slack
- Left front axle shaft difficult to remove
- Revised upper control arm replacement
- Snap/popping type noise coming from front of vehicle
- Supplemental inflatable restraint (SIR) light on, diagnostic trouble codes (DTC) B0026 and/or B004
- 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
- Intermittent no start, service stability message, anti-lock brake system (ABS) light illuminated, multiple...
- Rattle/squeak from front of vehicle
- Electronic transfer case unable to complete shift
- 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...
- 20 inch wheels and tires available through gmspo
- Unwanted operation of rear windows
- 4L60E, 4L65E replacement valve body gaskets does not seem to fit
- Service vme-outside rear view mirror inoperative
- Additional diagnostic information DTC P0757
- Whine noise from rear axle
- The service engine soon lamp is illuminated, no 3RD and 4TH gear, the transmission does not shift...
- Unwanted/loose seat movement
- Automatic level control inoperative due to water ingestion
- Intermittent service 4WD light comes on with diagnostic trouble code (DTC) C0306 or C0308 stored in tccm
- Service vme - outside rearview mirror vibration
- Information on upgrading certain onstar generation 5 analog/digital-ready systems to onstar generation 6...
- Diagnosis of cracked or broken transmission case
- Rear floor carpet wet with dirty water
- Memory seat may not return to requested position
- Intermittent heated seats inoperative, diagnostic trouble code B3941 set
- Rear axle retainer button breakage
- Intermittent malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) C0374 or erratic 4WD/AWD...
- 1999 - 2005 gen II cold engine misfire at idle with possible P0171 and/or P0174
- Steering idler arm inspection procedure
- Transmission has a harsh 1-2 shift, slipping 1-2 shift followed by a harsh engagement
- Sunroof jams when closing
- 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
- 4WD models with noise, vibration on dry pavement
- 4L80E output carrier thrust washer changes
- Application of horn at horn pad inoperative
- Handling characteristics of vehicles with 20 inch wheel/tire assemblies installed
- Revised front caster and camber adjustment procedure
- Revised inspection/maintenance (i/m) evaporative emission (EVAP) system set procedure
- Revised diagnostic trouble code (DTC) P1172 and DTC P2636
- Resonance noise at idle
- Pop cluck click noise on right or left turns
- Misfire at idle cold and possible P0171 and or P0174
- Intermittent sir lamp with diagnostic trouble code B0044 or B0026
- Rear seat audio (RSA) and/or rear HVAC inoperative
- Rear parking brake shoe retaining spring clip service kit for drum-in-hat (DIH) equipped vehicles
- Spare tire is different size than other tires
- Driver unable to configure onstar system
- Onstar system inoperative onstar system status light is red radio locked in phone mode or DTC B1000
- Crank no start, stall, hard start, and no cranking RPM
- Pop/clunk/click noise on right or left turns
- Excessive oil consumption
- Diagnostic trouble code C0327 with or without additional diagnostic trouble codes setting
- Check engine light with a P0300 due to 2-4 cylinders misfiring on the same bank of the engine
- Pop/clunk noise on right or left turns
- Programming onstar module for canadian french voice recognition
- Tailgate support cable
- Blown mbec 1 or lbec 1 fuse
- Service engine soon light and reduced engine power with a diagnostic trouble code P1516
- Service message displayed, diagnostic trouble code (DTC) C0550 set (reprogram ebcm)
- Low brake pedal, red brake light on, brake system warning message on
- HVAC not cold enough a/c compressor does not engage
- High pitched tone heard inside vehicle when AC compressor is engaged
- Diagnostic information for moan groan or boom noise at idle vibration in steering wheel or felt through...
- Use of synthetic front axle lubricant for 4WD vehicles sold in cold weather climates
- Snap/popping type noise coming from front of vehicle
- Underhood air conditioner rattle noise heard on acceleration or a sudden loss of air conditioner system...
- Water intrusion into cab at midgate
- 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...
- 4L60E/4L65E intermittent neutral condition while accelerating from a stop or while driving
- Diagnostic information to accurately diagnose a/c low pressure switch using new kent moore special tool...
- HVAC blower motor inoperative or stays running
- Revised brake pads replacement-rear
- Clunking noise under hood and CAN be felt in steering wheel
- Automatic dual zone HVAC battery draw
- Running board cover is loose
- Cargo covers and/or body cladding discolored (chalky)
- Stowage box lid strap breaking
- Repairing napped seat fabric
- Oil life system reset procedures-trucks
- Information on revised design of intake gasket and related bolts for 2004 mid-year enhancement and prior...
- 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
- Outside rearview mirrors may blow in at highway speeds or power folding feature appears inoperative
- This message relates to the purchase of armor-dillo to treat faded or stained cargo covers and cladding
- Growl or moan noise coming from front axle
- Clunking noise under hood and CAN be felt in the steering wheel
- 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
- 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
- Power window motor now available separately from the power window regulatory assembly
- 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
- Parts restriction for cargo covers cancelled
- 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
- Snap and popping noise in the front suspension area
- Engine whistle noise
- Outside rearview mirrors memory operation
- Slip condition in 2ND, 3RD or 4TH damaged 2-4 band 3-4 clutch on the 4L60E/4L65E automatic transmission
- Supplement brake assist noisy and may run continuously
- 4L80E, 4L85E automatic transmission diagnostic trouble code (DTC) P0706 and vehicle may not start
- Vehicle has no PCM (power train control module) communication with tech 2
- Fogging of windows in the defrost mode
- Business trip and/or personal trip odometer inoperative
- XM rapid activation utilization
- Locking gas cap availability
- Buzz noise from headliner above driver
- Windshield reveal molding flutering
- Programming control heads - HVAC AC
- Cargo covers- cladding stained or discolored
- 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
- Cargo lamp indicator turns on briefly when dome- glove box lamp is activated
- Vehicles equipped with XM do not have audio, AM, FM work correctly
- Replacement radio reads cal error, has no audio or will not program
- Power folding mirrors will not fold inward
- Coolant leak from head cup plugs on gen III engines
- Stained or faded cargo covers
- 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
- Supplement to 00-02-35-003D - clunking noise under hood and CAN be felt in the steering wheel
- Cargo covers- cladding stained or discolored
- Onstar system is attempting and/or completing phone calls which the operator of the vehicle did not initiate
- Water leaking from center roof console
- Front windshield wiper arm does not remain upright position as it did on prior models and as a result,...
- Loss of power, hesitates on acceleration on 4.8, 5.3 and 6.0 engines coupled with the 4L60E or 4L65E...
- Low audio output from speakers
- Service 4WD light on no codes besides U1000 codes or C0550
- Instrunment panel cluster (IPC) gauges inoperative at times while cranking
- Transfer case inoperative or shifts to 4LO after encoder motor sensor replacement
- 8.1L changes in heads, bolts and gasket for for 2004 1/2 engines
- Buzz noise and virbation in the accelerator pedal at approx
- Noise coming from instrument panel cluster or tachometer
- Outside rearview mirror glass may crack
- Painted body side moldings dimple (raised surface)
- Engine misfire due to injector fretting corrosion
- Power steering fluid leaking at hydraulic brake booster
- Service engine soon (SES) light on with P0446 due to dust in the evap vent valve on vehicles that are...
- Unwanted stabilitrak activation or stabilitrak disable message appears on the dic
- Repairing cloth seats with napped fabric
- Replacement tailgate cables bind at shoulder bolt
- 4.8 5.3 6.0 gen 111 engine coated piston information
- Engine cylinder head cup plug coolant leak
- Service vme - 03 - 04 full size truck, utilities and hummer H2 passenger door module inoperative
- Rear axle locking differential chatter shudder noise on turns
- 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,...
- 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
- Downhill cruise control surge
- Repeat HVAC blower motor failure
- 99 through 05 year vehicles, equipped with three-button onstar systems
- 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
- Concerns regarding bulletin 00-02-35-003F
- Exhaust vibration resonance or moan
- Gen III engine coated piston information
- Engineering investigation - catalytic converter replacement
- P0420 and P0430 dtsc in the detroit, michigan area with gen III V-8 engines
- Supplement to 00-02-35-003F clunking noise under hood and CAN be felt in steering wheel
- Exhaust vibration resonance or moan in vehicles with gen III V8 engines
- Automatic dual zone HVAC battery draw supplement to 02-01-39-007A
- 4-WHEEL drive switch indicator lights flashing, 4-WHEEL drive inoperative, diagnostic trouble codes C0327,...
- Service 4WD light on, the 4WD is inoperative and no codes besides U1000 codes
- Passenger compartment air filter
- Noise from lower door or running board at road speeds
- Replacement (RKE) transmitter is inoperative - service vme
- Gen III engine noise after hot soak restart
- Coolant loss (into the crankcase)
- XM radio must be tuned to channel 1 through 66 during activation attempt
- Service 4WD light on no codes besides U1000 codes
- Discoloration of cargo covers
- 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...
- Information regarding cadillac escalade ext and chevrolet avalanche cargo area
- 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
- Instrument panel cluster (IPC) gauges inoperative
- Front power window noisy or inoperative on vehicles located in michigan only
- Starter cranks after key is released (normal condition)
- Midgate rear glass storage retainers now available for service
- Information on new spark plugs and gapping
- Inner tie rod released for service
- Repairing napped fabric-seats may have been upholstered in napped fabrics with dorchester on the bolster...
- Snap or pop type noise from the front of the truck, usually during slow speed maneuvers
- Discoloration of the cargo covers
- Loss of coolant
- Diagnostic information for replacement remote keyless entry (RKE) transmitter inoperative - unable to...
- Information on removing front door trim panel to avoid breakage
- Higher than expected oil consumption <8500 gvw. various models including 2003-2004 chevrolet kodiak...
- Fluid leak from front of vehicle add teflon tape to front axle vent plug threads
- Revised steering wheel position sensor or steering shaft lower bearing replacement procedure and steering...
- Service four-wheel drive light and the four-wheel drive is inoperative
- 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
- Left camper mirror will not lock into detent when mirror is folded inward
- Water management system
- Air conditioning (a/c) inoperative / intermittent, air conditioner blows warm air
- Daytime running lamp (DRL) bulb replacement
- Programming of replacement onstar vehicle communication and interface modules (VCIM)
- Changes in air conditioning compessor on/off instrument panel display symbol from 2003 to 2004 model year...
- Whine noise from rear axle
- 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
- Revised engine oil pressure gage inaccurate or inoperative diagnostic information
- Outside rearview mirror courtesy lamp falls out, bulb burns out
- Instrument panel cluster high beam indicator too bright
- Passenger door module recall for remote keyless entry, front passenger power window, lock, mirror and...
- Remote keyless entry system inoperative
- No audio out of speakers at times
- Remote keyless entry (RKE) system inoperative
- Accessory drive belt whine
- During a 30 degree left angle frontal impact of sufficient severity, a tear could develop in the mid frame...
- 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
- Seat heater and/or memory power seat inoperative
- XM dealer assistance line information
- Exhaust / muffler heat shield rattle, popping noise under vehicle
- Engine knock or lifter noise
- Vehicle will not start caused by the steering wheel position sensor
- Vehicle will not start condition
- Front driver and/or passenger door lock bezel is loose and falling out
- Availability of rear seat shoulder belt comfort guides
- Bumper fascia cover retainers pulling out of fascia
- 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)
- Field reports that exterior non-painted cladding and bed covers appear to lighten in color or fade
- Light colored grease like substance coming from the three-panel bed hardcover area
- Some customers may comment that the manual lock lever comes loose from the door trim panel
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