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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
010846002C2003-09-26. Service bulletin. EQUIPMENT. PROGRAMMING OF REPLACEMENT ONSTAR VEHICLE COMMUNICATION AND INTERFACE MODULES (VCIM). *TT
020138007A2003-09-26. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. POOR AIR CONDITIONER PERFORMANCE - AIR CONDITIONER WILL NOT BLOW COLD ENOUGH. *TT *AR
000842010A2003-09-26. Service bulletin. EXTERIOR LIGHTING. DAYTIME RUNNING LAMP (DRL) BULB REPLACEMENT. *TT
020592003-09-13. Service bulletin. ELECTRICAL SYSTEM:IGNITION. WRONG SPARK PLUGS. *TT
1209022003-09-12. Service bulletin. SEATS. FRONT PASSENGER SIDE MANUAL SEAT DOES NOT FULLY LOCK INTO POSITION. *TT
0307300202003-08-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION HAS A HARSH 1-2 SHIFT, SLIPPING 1-2 SHIFT FOLLOWED BY A HARSH ENGAGEMENT. *TT
0308490062003-08-27. Service bulletin. ELECTRICAL SYSTEM. INSTRUMENT PANEL CLUSTER HIGH BEAM INDICATOR TOO BRIGHT. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
000523005B2003-08-14. Service bulletin. SERVICE BRAKES, HYDRAULIC. RIGHT REAR INNER BRAKE PAD WEAR. VARIOUS MODLES INCLUDING THE 2004 SILVERADO AND SIERRA. *TT
0301390072003-08-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONING (A/C) INOPERATIVE / INTERMITTENT, AIR CONDITIONER BLOWS WARM AIR. *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
0306010112003-04-28. Service bulletin. ENGINE AND ENGINE COOLING. ACCESSORY DRIVE BELT WHINE. *TT
030852001C2003-04-25. Service bulletin. EQUIPMENT:ELECTRICAL. REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE. *TT
020844020B2003-04-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. NO AUDIO OUT OF SPEAKERS AT TIMES. *TT
030112003-04-18. Service bulletin. ELECTRICAL SYSTEM. REMOTE KEYLESS ENTRY SYSTEM INOPERATIVE. *JB
020844020A2003-04-17. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. NO AUDIO OUT OF SPEAKERS AT TIMES. *TT
0304210012003-04-15. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). 4-WHEEL DRIVE LIGHT, 4-WHEEL DRIVE INOPERATIVE, DIAGNOSTIC TROUBLE CODES C0327, P0836, P0500. *TT
030852001B2003-04-15. Service bulletin. EQUIPMENT:ELECTRICAL. REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE. *TT
0308520012003-04-09. Service bulletin. EQUIPMENT:ELECTRICAL. REMOTE KEYLESS ENTRY (RKE) SYSTEM INOPERATIVE. *TT
0303100012003-04-09. Service bulletin. TIRES:BEAD; SUSPENSION. TIRE SLOWLY GOES FLAT AND/OR EXCESSIVE WHEEL VIBRATION CAUSED BY BEAD SPLITS (REPLACE WHEELS WITH NEW HEAVY DUTY RIM VERSION) *TT *AR UPDATED 4/11/08. *NJ
000235003B2003-04-05. Service bulletin. STEERING. CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL. *TT
0308500032003-04-05. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. SEAT HEATER AND/OR MEMORY POWER SEAT INOPERATIVE. *TT
0306040102003-04-05. Service bulletin. FUEL SYSTEM, DIESEL. 6.6L LB7 DURAMAX DIESEL FUEL PRESSURE REGULATOR REPLACEMENT. 2500/3500 AND C4500/C5500 SERIES MODELS. *TT

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