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Service bulletins for the 2004 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.

1089 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
0306040482003-12-02. Service bulletin. FUEL SYSTEM, OTHER. REVISED FUEL SYSTEM DIAGNOSIS CAB CHASSIS. *TT
0306040472003-12-02. Service bulletin. FUEL SYSTEM, OTHER. REVISED FUEL SYSTEM DIAGNOSIS-HIGH PRESSURE SIDE. *TT
0306040462003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED ENGINE CRANKS BUT DOES NOT RUN DIAGNOSTIC. *TT
0306040452003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. REVISED DIAGNOSTIC TROUBLE CODE (DTC) P0093 OR DTC P1093 DIAGNOSTIC TABLES. *TT
030603001A2003-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. STARTER CRANKS AFTER KEY IS RELEASED (NORMAL CONDITION). *TT
0301380152003-12-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. HVAC BLOWER MOTOR MAY RUN CONTINUOUSLY AFTER VEHICLE IS TURNED OFF. *TT
014732003-11-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE (DTC) P0700 UNABLE TO COMMUNICATE WITH THE TRANSMISSION CONTROL MODULE (TCM) USING THE TECH 2. *TT
014572003-11-24. Service bulletin. EQUIPMENT. FRONT LICENSE PLATE BRACKET. SERVICE VME. *TT
014002003-11-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 6.6L DURAMAX LB7 ENGINES WITH TURBOCHARGER SYSTEM WHINE NOISE. *TT
01267B2003-11-21. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ON NO CODES BESIDES U1000 CODES. SERVICE VME. *TT
013902003-11-21. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM RADIO MUST BE TUNED TO CHANNEL 1 THROUGH 66 DURING ACTIVATION ATTEMPT. 2004 CHEVROLET CANYON, GMC DENALI, GMC COLORADO ALSO INCLUDED. *TT
00557B2003-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE ALLISON LCT1000 TRANSMISSIONS MAY EXPERIENCE A LEAK FROM OIL PUMP AREA. *TT
01275C2003-11-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME OWNERS OF 03 G-VANS OR 04 C/K TRUCKS DRIVING AT HIGH ALTITUDE WITH WARM AMBIENT TEMPERATURES MAY COMPLAIN OF A STALL AND OR LACK OF POWER OR RUNNING ROUGH CONDITION UNTIL THE VEHICLE COOLS DOWN. *TT
00938B2003-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). ALLISON LCT1000 REPEAT TRANSMISSION CONTROL MODULE (TCM) FAILURES WITH POSSIBLE MULTIPLE DIAGNOSTIC TROUBLE CODES (DTCS). *TT
01129A2003-11-20. Service bulletin. POWER TRAIN. ALLISON LCT1000 SERVICEABILITY. *TT
00634A2003-11-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GEN III ENGINE NOISE AFTER HOT SOAK RESTART. *TT
00843C2003-11-20. Service bulletin. EQUIPMENT. REPLACEMENT (RKE) TRANSMITTER IS INOPERATIVE - SERVICE VME. *TT
013432003-11-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE (DTC) P0700 AND NO COMMUNICATION WITH THE TECH 2. *TT
013392003-11-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. HVAC BLOWER MOTOR FAN STAYS ON IN THE HIGH BLOWER POSITION. SERVICE VME. *TT
013292003-11-19. Service bulletin. UNKNOWN OR OTHER. 2004 NEW MODEL PRODUCT CHANGES. SERVICE VME. *TT
013322003-11-19. Service bulletin. FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY:FILLER PIPE AND CAP. DIC MESSAGE THAT THE FUEL CAP IS NOT ON TIGHT. SERVICE VME. *TT
01267A2003-11-19. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ON, THE 4WD IS INOPERATIVE AND NO CODES BESIDES U1000 CODES. SERVICE VME. *TT
0806032003-11-05. Service bulletin. WHEELS:HUB. DIFFICULTY WHEN INSTALLING WHEEL CENTER CAPS TO 17-INCH ALUMINUM WHEELS. VME MESSAGE. *TT
0804032003-11-05. Service bulletin. POWER TRAIN. THIS VME MESSAGE APPLIES TO THE VALVE BODY FOR THE ALLISON SERIES 1000 TRANSMISSION REVISED FOR THE 2004 MODEL YEAR TO ADD MODULATED MAIN PRESSURE CONTROL. THIS REVISION WILL PROVIDE ADDITIONAL TRANSMISSION OIL COOLER FLOW AND REDUCE PUMP LOAD DURING CERTAIN LOW SPEED OPERATING CONDITIONS. *TT
0521032003-10-28. Service bulletin. POWER TRAIN. ESSENTIAL TOOLS FOR SERVICING THE ALLISON TRANSMISSION. THESE TOOLS INCLUDE A FOUR-WHEEL DRIVE SPANNER NUT WRENCH, REAR BEARING PULLER LEGS, DIGITAL DEPTH MICROMETER AND A REAR BEARING INSTALLER. THESE TOOLS ARE REQUIRED TO REPLACE A CRACKED EXTENSION HOUSING ON AN ALLISON INSTALLED IN A FOUR-WHEEL DRIVE PICK-UP. 2004 SIERRA INCLUDED. TT

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