WenmarOpen by Wenmar Pro

Service bulletins for the 2006 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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
SB-09-06-03-004A2010-03-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. GM/HUMMER/SAAB: INTERMITTENT ILLUMINATION OF MIL, SERVICE LAMPS, SERVICE MESSAGES, OR DTC SET BY VARIOUS CONTROL MODULES-DIAGNOSING AND REPAIRING FRETTING CORROSION (DISCONNECT AFFECTED CONNECTOR AND APPLY DIELECTRIC LUBRICANT). *PE UPDATED 3/26/10. *PE UPDATED 6/6/11. *PE UPDATED 3/12/12. *PE
SB-07-06-04-019A2009-06-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: INTERMITTENT MIL/SES/ DTC P2138 WITH REDUCED ENGINE POWER (REPAIR INSTRUMENT PANEL (IP) TO BODY HARNESS CONNECTOR). 2005-08 GM PASSENGERS CARS/LIGHT DUTY TRUCKS (INCL. SATURNS). *PE UPDATED 11/5/10. *PE UPDATED 4/4/11. *PE UPDATED 2/3/16. *PE
PIT-47222008-12-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. GMC: FLUID LEAK FROM TRANSMISSION OIL COOLER LINES DUE TO CORROSION. ALL 2000-2006 LIGHT DUTY TRUCKS EQUIPPED WITH THE LIGHT DUTY AUTOMATIC TRANSMISSION. *PE
PIT-46622008-12-12. Service bulletin. ELECTRICAL SYSTEM:WIRING; SEATS; ELECTRICAL SYSTEM. GMC: SIR MIL DTC B0084 AND/OR B0085. THIS CONCERN COULD BE CAUSED BY BROKEN SEAT POSITION SENSOR CIRCUITS UNDER THE DRIVER OR PASSENGER FRONT SEATS. OVER TIME, FROM REPEATED SEAT MOVEMENT, THE WIRING COULD BREAK. *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
PIT3504D2008-09-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION. *PE
08-07-30-0152008-08-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC INFORMATION ON MN8, MT1 SES/MIL ILLUMINATED, DTC P0757, HARSH SHIFT, DELAYED 2-3 SHIFT, 2-3 SHIFT FLARE, NO THIRD GEAR, SLIPS IN THIRD GEAR OR REVERSE. *PE
08-07-30-0162008-08-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC INFORMATION ON MH1, MN8, MT1, M15 TRANSMISSION SLIPS, WILL NOT SHIFT OR MAY OVERHEAT, SES/MIL MAY BE ILLUMINATED, DTCS P0218, P0894 SET. *PE UPDATED 8/12/08. *PE
081362008-07-29. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ON-BOARD DIAGNOSTICS (OBD)-FUEL LEVEL SENDER-REPROGRAM ENGINE CONTROL MODULE (ECM). CSC WAS RECEIVED. *PE
000235003N2008-07-14. Service bulletin. STEERING:COLUMN. CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY). *PE
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
0708420132007-11-02. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT. TURN SIGNAL IN CAMPER STYLE OUTSIDE REARVIEW MIRROR (RPO DPN) DOES NOT ILLUMINATE TURN SIGNAL FLASH (REPLACE UPPER MIRROR GLASS) *NJ
44862007-10-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ
41332007-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION SLIPS, WILL NOT SHIFT, SES LIGHT MAY BE ILLUMINATED. *KB
30752007-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. BLOWN MBEC 1 OR LBEC 1 FUSE. *KB
0502320082007-09-19. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:PUMP. GEAR BOX POWER STEERING PUMP, P/S PERFORMANCE CONCERNS. *NJ UPDATED ON 6/30/2011. *KB
37502007-08-15. Service bulletin. ELECTRICAL SYSTEM. ADDITIONAL DIAGNOSTIC FOR YAW/LAT SENSOR DTC'S. *KB
0405250022007-08-15. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE. (REGROUND EBCM GROUND). *KB
061622007-08-03. Service bulletin. FUEL SYSTEM, GASOLINE. SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES E85 VIRTUAL FLEX FUEL SENSOR (VFFS) UPDATE- REPROGRAM ECM. *KB
0703160022007-07-24. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. TIRE PRESSURE MONITOR SYSTEM CONCERNS. *KB 2008 PASSENGER CARS AND TRUCKS (INCLUDING SATURN). UPDATED 2/26/08. *NJ
0601390022007-07-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. FRONT BLOWER MOTOR INOPERATIVE OR MAY NOT SHUT OFF IN EXTREMELY LOW AMBIENT TEMPERATURE CONDITIONS. *KB
40302007-06-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *KB
43652007-06-15. Service bulletin. INTERIOR LIGHTING. IPC BACKLIGHTING INOPERATIVE TBC 2A FUSE OPEN. *KB

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