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Service bulletins for the 2004 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.

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

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
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
071872008-01-10. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. CADILLAC CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INSTRUMENT PANEL CLUSTER GAUGE NEEDLE FUNCTION MAY CAUSE INACCURATE READINGS ON SOME 2003-2004 CADILLAC, CHEVROLET, AND GMC VEHICLES. *NJ UPDATED 2/5/08. *NJ UPDATED 9/5/08. *PE UPDATED 11/4/08. *PE
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
30752007-09-26. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. BLOWN MBEC 1 OR LBEC 1 FUSE. *KB
37502007-08-15. Service bulletin. ELECTRICAL SYSTEM. ADDITIONAL DIAGNOSTIC FOR YAW/LAT SENSOR DTC'S. *KB
31902007-02-22. Service bulletin. ELECTRICAL SYSTEM. UNABLE TO LOCATE EMERGENCY LIGHT RELAY AND/OR BLUNT CUT WIRES. *KB
34272005-10-21. Service bulletin. ELECTRICAL SYSTEM. ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757. *TT
16563262005-10-12. Service bulletin. ELECTRICAL SYSTEM. BULLETIN-SIT-BULLETIN-1656326: PIT3569. LOW TIRE LIGHT ON AND OR DIC CHECK TIRE PRESSURE MESSAGE WHEN COLD. *SC
040849006B2005-04-19. Service bulletin. ELECTRICAL SYSTEM. SERVICE STABILITY MESSAGE DISPLAYED. *EH
3300C2005-04-18. Service bulletin. ELECTRICAL SYSTEM:HORN. APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT
0408490072005-03-10. Service bulletin. ELECTRICAL SYSTEM. PERSONAL TRIP BUSINESS TRIP FEATURE MUST BE ON FOR TRIP ODOMETER TO ACCUMULATE. *EH
32492005-01-27. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT SIR LAMP WITH DIAGNOSTIC TROUBLE CODE B0044 OR B0026. *EH
31872004-12-14. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT SERVICE STABILITY MESSAGE DISPLAYED, HISTORY DIAGNOSTIC TROUBLE CODE C0550. *TT
3061C2004-12-03. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES SETTING. *TT
31592004-11-04. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER PARTS RESTRICTION. *TC
3075B2004-10-08. Service bulletin. ELECTRICAL SYSTEM. BLOWN MBEC 1 OR LBEC 1 FUSE. *TT
30892004-10-04. Service bulletin. ELECTRICAL SYSTEM. SERVICE ENGINE SOON LIGHT AND REDUCED ENGINE POWER WITH A DIAGNOSTIC TROUBLE CODE P1516. DIAGNOSTIC TROUBLE CODES P0120, P0220, P1514, P1515, P1518 AND P2135 MAY ALSO BE PRESENT. *TT
30012004-08-25. Service bulletin. ELECTRICAL SYSTEM. NO COMMUNICATION WITH ANY MODULES, MULTIPE U-DIAGNOSTIC TROUBLE CODES (DTCS), INSTRUMENT PANEL CLUSTER (IPC) WARNING INDICATORS. 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
01267F2004-07-06. Service bulletin. ELECTRICAL SYSTEM. SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES OR C0550. *MJ
020382004-05-20. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE B1000. *MR
01826A2004-05-07. Service bulletin. ELECTRICAL SYSTEM. CARGO LAMP INDICATOR TURNS ON BRIEFLY WHEN DOME- GLOVE BOX LAMP IS ACTIVATED. *MR ALSO INCLUDES 2003 AND 2004 GMC FULL SIZE PICKUP. *TT
0308500142003-12-05. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT NO START, SERVICE STABILITY MESSAGE, ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ILLUMINATED, MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS), DIC SHOWS UNKNOWN DRIVER, VARIOUS ELECTRICAL RELATED CONDITIONS. INCLUDES ESCALADE ESV AND EXT MODEL. *TT

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