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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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By component

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Bulletins, newest first
020730030A2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME CUSTOMERS MAY COMMENT THAT THE TRANSMISSION SLIPS, A SHUDDER, CHUGGLE, OR VIBRATION IS FELT WHEN THE TRANSMISSION SHIFTS FROM FIRST TO SECOND GEAR. *TT
3259C2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT
001496A2004-03-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. THIS MESSAGE IS IN REGARD TO DURAMAX TURBOCHARGER NOISES OR POSSIBLY A PERFORMANCE OR FUEL ECONOMY COMPLAINT. SERVICE VME. 6.6 LB7 DIESEL ENGINE. P0102, P0103, P0236. *TT
014952004-03-02. Service bulletin. FUEL SYSTEM, DIESEL. DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS. SERVICE VME. LB7 6.6L ENGINE. SIT BULLETIN 1401353. VARIOUS MODELS INCLUDING 2003 AND 2004 GMC C4500 AND 5500 TRUCKS. *TT
014932004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE WITH P0721, P0731, P0732, P0733, P0734, P0743, P0746, P0747, P0776, P0777, P1720, P1721, P1723 AND P1724. *TT
00252B2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. ALLISON LCT1000 KNOCK NOISE AND POSSIBLE LEAK FROM THE TORQUE CONVERTER AREA. SIT BULLETIN 1401124. *TT
014902004-03-02. Service bulletin. FUEL SYSTEM, OTHER. 6.6L LB7 DIESEL ENGINE RECAPPING TOOL FOR FUEL SYSTEM HIGH-PRESSURE SIDE DIAGNOSIS. SERVICE VME. SIT BULLETIN 1401058. *TT
014852004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. 4.3L LU3 L35 ENGINE. *TT
014842004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GEN III REPLACEMENT FLYWHEEL BOLT HOLES LARGER THAN ORIGINAL PART. THE BOLT HOLES FOR THE CRANK SHAFT IN THE REPLACEMENT FLYWHEEL ARE LARGER THAN THE HOLES IN THE ORIGINAL PART. SIT BULLETIN 1400596. *TT
014832004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). VEHICLE HAS NO PCM (POWER TRAIN CONTROL MODULE) COMMUNICATION WITH TECH 2. SIT BULLETIN 1400427. *TT
014962004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 6.6L LB7 DURAMAX DIESEL TURBOCHARGER NOISES OR FUEL ECONOMY COMPLAINT. SERVICE VME. SIT BULLETIN 1401355. *TT
00537C2004-03-01. Service bulletin. STEERING. QUADRASTEER PARTS RESTRICTION. AVAILABLE PARTS. SERVICE VME. SIT BULLETIN 1403216. *TT
00559C2004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L80E, 4L85E AUTOMATIC TRANSMISSION DIAGNOSTIC TROUBLE CODE (DTC) P0706 AND VEHICLE MAY NOT START. *TT
015012004-03-01. Service bulletin. SERVICE BRAKES, HYDRAULIC:POWER ASSIST. SUPPLEMENT BRAKE ASSIST NOISY AND MAY RUN CONTINUOUSLY. SIT BULLETIN 1402858. *TT
014992004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 2004 6.6L DURAMAX LB7 ENGINES WITH EXTENDED CRANK DURING HOT ENGINE RESTART. DIAGNOSTIC TROUBLE CODE (DTC) P0193 MAY OR MAY NOT BE SET. SIT BULLETIN 1402202. *TT
007022004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. *TT *MJ
00822B2004-02-28. Service bulletin. POWER TRAIN. NO 2ND, NO 4TH AND NO REVERSE. TO INCLUDE 2004 LIGHT DUTY AUTOMOBILES AND TRUCKS EQUIPPED WITH 4L60E OR 4L65E AUTOMATIC TRANSMISSION. *TT
01159A2004-02-28. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. OUTSIDE REARVIEW MIRRORS MEMORY OPERATION. SIT BULLETIN 1404207. *TT
00969A2004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WHISTLE NOISE. *TT
015122004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 6.6 LITER DURAMAX DIESEL ENGINE FUEL KNOCK NOISE. VARIOUS MODELS INCLUDING THE 2004 GMC C4500 AND C5500. SIT BULLETIN 1406247. *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
01485A2004-02-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TIMING CHAIN TENSIONER BREAKPOINTS FOR SERVICE KIT OR PRODUCTION FIX FOR VEHICLE EXHIBITING RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. SIT BULLETIN 1408407. *TT
00908D2004-02-27. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. 6.6L AND MANUAL TRANSMISSION GROWL NOISE WHILE ENGAGING OR DISENGAGING CLUTCH. *TT *MJ
015922004-02-27. Service bulletin. ELECTRICAL SYSTEM. 2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION. SIT BULLETIN 1416474. *TT

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