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Service bulletins for the 2003 GMC Sierra

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
05021180022005-11-08. Service bulletin. STEERING. DIAGNOSTIC TROUBLE CODE C0455, SERVICE REAR WHEEL STEERING, SYSTEM JUMPS FROM 4-WHEEL STEER TO 2-WHEEL STEER. *TT
0506010142005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *TT
0508500082005-11-05. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET. *TT
0503100052005-11-03. Service bulletin. WHEELS. HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED. *TT
0506040082005-11-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC TROUBLE CODE (DTC) P1172 OR P2636, FUEL GAUGE READS EMPTY, SERVICE ENGINE SOON (SES) LIGHT ON. *TT
0506040292005-11-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. FLEXIBLE FUEL (RPO L59) ROUGH IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP DIAGNOSTIC TROUBLE CODE P0300. *TT
34222005-11-02. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. DURAMAX DIESEL PILOT TO MAIN INJECTION FUEL KNOCK NOISE. *TT
34242005-11-02. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT
35732005-11-01. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. UNWANTED OPERATION OF REAR WINDOWS. *TT
3630A2005-11-01. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE IS INACCURATE OR READS EMPTY ON DIESEL EQUIPPED CHASSIS CAB WITH DUAL TANKS. *TT
33432005-10-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL DIPSTICK UNSEATED OR OIL LEAK. *TT
31052005-10-28. Service bulletin. POWER TRAIN. PING, POP, SNAP OR CLICK NOISE FROM THE PROPELLER SHAFT. *TT
33172005-10-28. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE. HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING. *TT UPDATED 7/13/09. *PE
33142005-10-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DURAMAX DIESEL ENGINE HARD START, NO START, STALL OF DIAGNOSTIC TROUBLE CODE P0093, P1093. *TT
33122005-10-28. Service bulletin. ENGINE AND ENGINE COOLING. NO START, HARD START, LOSS OF POWER, OR WHITE SMOKE. *TT
007732005-10-27. Service bulletin. POWER TRAIN. 4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT. *TT
34222005-10-27. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:INTERIOR. INACCURATE OUTSIDE TEMPERATURE READING ON INSIDE REARVIEW MIRROR. *TT
32672005-10-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE. *SC
3048A2005-10-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUPPLEMENT TO 03-06-01-024B 4.3L LU3 L35 TIMING CHAIN TENSIONER. RATTLE-TYPE NOISE COMING FROM THE ENGINE AT APPROXIMATELY 1800 TO 2200 RPMS. *TT
3225A2005-10-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 01-05 6.6 LLY LB7 DURAMAX DIESEL ENGINE AIR FILTER USAGE. *SC
36392005-10-25. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. SERVICE VME-OUTSIDE REAR VIEW MIRROR INOPERATIVE. *SC
34272005-10-21. Service bulletin. ELECTRICAL SYSTEM. ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757. *TT
35562005-10-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HARD START OR EXTENDED CRANK TIME ON INITIAL COLD START WHEN USING ALCOHOL BLENDED FUELS. *SC
35262005-09-22. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INTERMITTENT SERVICE 4WD LIGHT COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C0306 OR C0308 STORED IN TCCM. *TT
36712005-09-20. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES:EXTERIOR. SERVICE VME - OUTSIDE REARVIEW MIRROR VIBRATION. *TT

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