WenmarOpen by Wenmar Pro

Service bulletins for the 2008 Chevrolet Avalanche

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

1277 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
TB-09-06-04-0242009-08-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC INFORMATION ON MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH DTCS P0442,P0446, P0451, P0452, P0453, P0454, P0455 AND REPLACEMENT OF FUEL TANK PRESSURE (FTP) SENSOR/MODULE. *PE
SB-08-09-41-002C2009-07-20. Service bulletin. AIR BAGS. GENERAL MOTORS: DIAGNOSTIC INFORMATION FOR INTERMITTENT RESTRAINTS, AIR BAG (SIR) INDICATOR/LAMP ON WITH DTC(S) B0012, B0013, B0016, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 OR B0044 SET. THIS MAY BE CAUSED BY A LOOSE, MISSING, OR BROKEN CONNECTOR POSITION ASSURANCE (CPA) RETAINER AT THE AIR BAG FOR THE SET DTC. INCLUDES TRAILBLAZER EXT. *PE UPDATED 8/16/10. *PE UPDATED 3/12/12. *PE
PIT-4665A2009-03-20. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC); EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. GENERAL MOTORS: DURING NORMAL DIAGNOSTICS AND/OR REPAIR VERIFICATION THE ABS LIGHT, TRACTION CONTROL AND/OR STABILITRAK INDICATORS MAY BE ON WITH NO DTC'S DISPLAYED BY THE EBCM. *PE UPDATED 11/17/10. *PE UPDATED 3/14/11. *PE
PIT-3046E2008-12-05. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *PE
PIT-4696A2008-12-04. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER:MOTOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; INTERIOR LIGHTING; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; EXTERIOR LIGHTING:FOG LIGHTS; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT; VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING. GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH TURN TOW UNLOCK UNWANTED WINDOW. MAY BE DUE TO INTERNAL BCM DAMAGE. *PE
PIT-4613A2008-12-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. GMC: INTERMITTENT NO CRANK AND/OR DISCHARGED BATTERY. COULD BE CAUSED BY A LOOSE CONNECTION AT THE 175 AMP MEGA FUSE LOCATED ON THE PASSENGER SIDE OF THE COWL. *PE
PIP-44242008-11-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. GMC: LEAK FROM TRANSMISSION OIL COOLER LINE FITTING ON VEHICLES BUILT IN APRIL OR MAY, 2008. *PE
08-04-19-0042008-11-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. GMC: CORRECT FRONT AXLE VENT HOSE ROUTING. THE FRONT AXLE VENT HOSE IS MOUNTED IN THE LEFT SIDE OF THE ENGINE COMPARTMENT, AND MAY NOT BE CORRECTLY ROUTED. *PE UPDATED ON 5/1/2012. *KB
08-06-03-0072008-09-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GMC: NO START, NO CRANK, INTERMITTENT ELECTRICAL OPERATIONS (CHECK FOR POOR CONNECTIONS WITHIN ENGINE WIRING HARNESS JUNCTION BLOCK). *PE
08-08-42-0032008-09-24. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. GMC: STOP LAMPS INTERMITTENTLY TURN OFF AFTER COMING TO A COMPLETE STOP WHILE STILL HAVING PRESSURE ON BRAKE PEDAL (REPLACE STOP LAMP SWITCH). *PE UPDATED 3/1/10. *PE
08-07-30-0232008-08-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E/4L70-E AUTOMATIC TRANSMISSION FLUID LEAK FROM OIL PUMP OR BELL HOUSING AREA (REPLACE TORQUE CONVERTER HUB-TO-OIL PUMP SEAL ASSEMBLY). ATTN: THIS BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO DECEMBER 2007. *PE
08-08-45-0022008-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING. LEFT OR RIGHT POWER OUTSIDE MIRROR INOPERATIVE (INSPECT WIRE HARNESS). *NJ
08-06-04-0162008-05-20. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER. DIAGNOSTIC INFORMATION ON MIL/SES WITH DTC P0171 (FUEL TRIM SYSTEM LEAN BANK 1) AND/OR P0174 (FUEL TRIM SYSTEM LEAN BANK 2) AFTER BRAKE MASTER CYLINDER REPLACEMENT. *NJ
07-08-43-0102008-05-19. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES; VISIBILITY:WINDSHIELD WIPER/WASHER. WINDSHIELD WIPER STREAK AT LOW VEHICLE SPEEDS (REPLACE WINDSHIELD WIPERS AND ARMS). *NJ
PIP4054A2008-04-07. Service bulletin. SUSPENSION:REAR; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE
PIP33432008-04-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ
PIT35692008-04-07. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. LOW TIRE LIGHT ON AND/OR DIC CHECK TIRE PRESSURE MESSAGE WHEN COLD, WITH RPO UJ6. *NJ
PIT42842008-04-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE STALLS AFTER BEING REMOTE STARTED. *NJ
PIT43162008-04-01. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. CHECK LOW TIRE / AFTERMARKET WHEELS / TIRE PRESSURE MONITOR / FMVSS 138 WITH (RPO UJ6). *NJ
PIP43442008-03-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SHORT DURATION COLD START LIFTER TICK NOISE. EQUIPPED WITH THE 5.3 OR 6.0 ACTIVE FUEL MANAGEMENT ENGINES. *NJ
44192008-02-28. Service bulletin. PARKING BRAKE. SERVICE STABILITRAK MESSAGE C0196 AND/OR U2142. *NJ
41322008-01-30. Service bulletin. ELECTRICAL SYSTEM:WIRING. SIR LIGHT ON, DTC'S B0085, B0086, B0087 AND B0088. *NJ
43222008-01-30. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC). UNWANTED STABILITY ACTIVATION AND/OR C0710 WITH LIFT/LOWER KITS-DIFFERENT TIRES/WHEEL. WITH RPO JL4. *NJ UPDATED 12/18/08. *PE
45122007-12-13. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. OUTSIDE DOOR HANDLE LOOSE, INOPERATIVE OR DOES NOT RETRACT. *NJ
PIT44112007-12-11. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. UNWANTED ABS OR VALVE ACTIVATION ON LOW SPEED TURNS. WITH STABILITRAC (RPO JL4). *NJ UPDATED 4/1/08. *NJ

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.