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Service bulletins for the 2003 Chevrolet Silverado

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.

1069 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
01267F2004-07-06. Service bulletin. ELECTRICAL SYSTEM. SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES OR C0550. *MJ
006322004-07-06. Service bulletin. ELECTRICAL SYSTEM. 4.3L L35 ENGINE-DIAGNOSTIC TROUBLE CODE P0300 BUT NO MISFIRE CAN FELT. *MJ
01737A2004-06-10. Service bulletin. ELECTRICAL SYSTEM. POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265. *TT
019502004-05-25. Service bulletin. ELECTRICAL SYSTEM. ABS TELLTALE ILLUMINATED, DIAGNOSTIC TROUBLE CODE C0550 STORED IN HISTORY.*MR
019992004-05-20. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC TROUBLE CODE TIPS- LCT1000 TRANSMISSION. *MR
019532004-05-19. Service bulletin. ELECTRICAL SYSTEM. ABS AND RED BRAKE MALFUNCTION INDICATOR LIGHT ON WITH NO DIAGNOSTIC TROUBLE CODES. *MR
017372004-04-30. Service bulletin. ELECTRICAL SYSTEM. POOR GROUND CONNECTION CAUSING DIAGNOSTIC TROUBLE CODE (DTC) C0265. SIT BULLETIN 1460187. *TT
0308490202004-03-05. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER (IPC) GAUGES INOPERATIVE. *TT
01433A2004-02-27. Service bulletin. ELECTRICAL SYSTEM. 6.6L LB7 DURAMAX DIESEL DIAGNOSTIC TROUBLE CODE (DTC)S P0201 - P0208. 2500 HD AND 3500 MODELS. SIT BULLETIN 1408805. *TT
00574A2004-02-27. Service bulletin. ELECTRICAL SYSTEM. ALLISON LCT1000 NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, DIAGNOSTIC TROUBLE CODES (DTCS) P0721, C0237 POSSIBLE ANTI-LOCK BRAKE SYSTEM (ABS) LAMP ON. SI BULLETIN 1408789. *TT
015922004-02-27. Service bulletin. ELECTRICAL SYSTEM. 2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION. SIT BULLETIN 1416474. *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
013612003-11-20. Service bulletin. ELECTRICAL SYSTEM. 6.6L LB7 ENGINE WITH DIAGNOSTIC TROUBLE CODE (DTC) P0201 AND P0208. 2500 HD AND 3500 MODELS. *TT
020592003-09-13. Service bulletin. ELECTRICAL SYSTEM:IGNITION. WRONG SPARK PLUGS. *TT
0308490062003-08-27. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER HIGH BEAM INDICATOR TOO BRIGHT. *TT
0307032003-07-24. Service bulletin. ELECTRICAL SYSTEM. MULTIPLE DIAGNOSTIC TROUBLE CODES, INCLUDING ANY OR ALL OF P0708, P0847, P0872, P0875, P1711 OR P1713, PARTIAL OR NO PRINDEL DISPLAY OR NO MOVEMENT. *TT *JB
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
0325032003-07-23. Service bulletin. ELECTRICAL SYSTEM. ANTI-LOCK BRAKE SYSTEM (ABS) TELLTALE LIGHT BEING CONSTANTLY ILLUMINATED WITH A DIAGNOSTIC TROUBLE CODE C0550 BEING STORED. *TT *JB
030112003-04-18. Service bulletin. ELECTRICAL SYSTEM. REMOTE KEYLESS ENTRY SYSTEM INOPERATIVE. *JB
020662003-03-28. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. CUSTOMER SATISFACTION PROGRAM REGARDING BATTERY DRAIN CONDITION. *TT
020592003-03-28. Service bulletin. ELECTRICAL SYSTEM:IGNITION. VOLUNTARY EMISSION RECALL INVOLVING SPARK PLUG REPLACEMENT. *TT
020592003-02-07. Service bulletin. ELECTRICAL SYSTEM:IGNITION. SPARK PLUG REPLACEMENT. *TT
020662003-02-07. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. POTENTIAL BATTERY DRAIN CONDITION. *TT
2207022002-11-22. Service bulletin. ELECTRICAL SYSTEM. SUBJECT REGARDING NEW ENHANCEMENT FOR TECHNICAL ASSISTANCE CALLS RELATED TO ANY ELECTRICAL ISSUES. *TT

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