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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
30922004-11-05. Service bulletin. POWER TRAIN. ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY. *SC
31072004-11-05. Service bulletin. ENGINE AND ENGINE COOLING. P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES. *SC
31212004-11-05. Service bulletin. ENGINE AND ENGINE COOLING. 6.6 LB7 ENGINE WITH A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE P0380 P0621. *SC
31192004-11-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT. *SC
31302004-11-04. Service bulletin. POWER TRAIN. ALLISON LCT 1000 PRNDL FLASH AND/OR WILL NOT MOVE. *TC
30242004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. GEN III ENGINE COATED PISTON INFORMATION. *TC
31212004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. EXHAUST VIBRATION RESONANCE OR MOAN. (2004-2005 GMC DENALI) *SC
31602004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. GAS ENGINES EXHAUST BUZZ OR RATTLE NOISE. *TC
31572004-11-03. Service bulletin. TIRES. EXCESSIVE TIRE SPIN SETTING DIAGNOSTIC TROUBLE CODE C0543. *TC
31552004-11-03. Service bulletin. VEHICLE SPEED CONTROL. SPEEDOMETER INOPERATIVE. *TC
3105C2004-11-03. Service bulletin. POWER TRAIN. PING, POP, SNAP, OR CLICK NOISE FROM THE PROPELLER SHAFT. *SC
31252004-11-03. Service bulletin. FUEL SYSTEM, DIESEL. DURAMAX DIESEL LOW POWER AND FUEL ECONOMY. *TC
31472004-11-03. Service bulletin. ENGINE AND ENGINE COOLING. CONCERNS REGARDING BULLETIN 00-02-35-003F. ALL FULL SIZE TRUCKS AND UTILITIES AND HUMMER PARTS AVAILABLE. *TC
31282004-11-03. Service bulletin. STRUCTURE. ALL FULL SIZE TRUCKS PICK UP BOX SHEET METAL FRACTURE/DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED. *SC
305592004-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS. *TT
30622004-10-15. Service bulletin. UNKNOWN OR OTHER. ADDITIONAL PART NUMBERS FOR BULLETIN 02-01-38-007B. *TT
30572004-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 PUMP WHINE NOISE. *TT
30552004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7. *TT
30542004-10-14. Service bulletin. POWER TRAIN. REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE. *TT
30572004-10-14. Service bulletin. STEERING. INTERMITTENT CONCERN OF THE SERVICE 4 WHEEL STEER MESSAGE BEING DISPLAYED ON THE DIC. *TT
30382004-10-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE. *TT
30732004-10-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 03-06-04-037 SUPPLEMENT - EVAP CANISTER INSTALLATION INFORMATION. *TT
3050A2004-10-13. Service bulletin. EQUIPMENT. 02-05 ONSTAR EQUIPPED VEHICLES EMITTING BEEPING NOISE BEFORE CONNECTING TO ONSTAR. *TT
30722004-10-13. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. THE ENGINE COOLANT TEMPERATURE OR INTAKE AIR TEMPERATURE SENSOR MAY READ -40 DEGREES WHEN MONITORED WITH TECH 2. *TT
30692004-10-13. Service bulletin. UNKNOWN OR OTHER. PAINT FOR THE 2003 GMT800 TRUCKS FOR CANADIAN DEPT. OF NATIONAL DEFENSE. *TT

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