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Service bulletins for the 2003 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.

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

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By component

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

Bulletins, newest first
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
016372004-07-07. Service bulletin. ELECTRICAL SYSTEM. TRANSFER CASE INOPERATIVE OR SHIFTS TO 4LO AFTER ENCODER MOTOR SENSOR REPLACEMENT. *MJ
008952004-07-07. Service bulletin. ELECTRICAL SYSTEM. INSTRUNMENT PANEL CLUSTER (IPC) GAUGES INOPERATIVE AT TIMES WHILE CRANKING. *MJ
01267F2004-07-06. Service bulletin. ELECTRICAL SYSTEM. SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES OR C0550. *MJ
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
0308490202004-03-05. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER (IPC) GAUGES INOPERATIVE. *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
00690B2003-11-24. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE C0327 WITH OR WITHOUT ADDITIONAL DIAGNOSTIC TROUBLE CODES (DTCS) SETTING. *TT
0308490062003-08-27. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER HIGH BEAM INDICATOR TOO BRIGHT. *TT
0327032003-07-24. Service bulletin. ELECTRICAL SYSTEM. PASSENGER DOOR MODULE RECALL FOR REMOTE KEYLESS ENTRY, FRONT PASSENGER POWER WINDOW, LOCK, MIRROR AND HEATED SEAT FUNCTIONS. *TT *JB
030112003-04-18. Service bulletin. ELECTRICAL SYSTEM. REMOTE KEYLESS ENTRY SYSTEM INOPERATIVE. *JB

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