WenmarOpen by Wenmar Pro

Service bulletins for the 2003 Chevrolet Corvette

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.

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

By type

By component

By trouble code

Bulletins, newest first
091120022004-09-30. Service bulletin. SUSPENSION. REMOVAL OF PLASTIC STUFFER FROM VEHICLES EQUIPPED WITH MAGNETIC SELECTIVE RIDE CONTROL. *TT
30322004-09-28. Service bulletin. EQUIPMENT. LOW OIL, LOW FUEL, OR TEMPERATURE INDICATOR DISPLAYED ON THE HEADS UP DISPLAY. 1997 - 2005 CHEVROLET CORVETTE. *TT
30602004-09-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE ENGINE DOES NOT STALL WHEN PERFORMING A P1870 DIAGNOSTIC TEST WITH THE TECH 2 SCAN TOOL OR WHEN COMMANDING THE TORQUE CONVERTER CLUTCH ENABLE SOLENOID ON APPLICATIONS THAT DO NOT HAVE THE P1870 DIAGNOSTIC TEST LISTED. 4L60E OR 4L65E TRANSMISSIONS. *TT
30182004-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE CYLINDER HEAD CUP PLUG COOLANT LEAK. *MJ
30202004-08-23. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. 6SP MANUAL TRANSMISSION STUCK IN FOURTH GEAR WILL NOT SHIFT OUT OF FOURTH. *TT
30272004-08-23. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. HARD CLUTCH PEDAL AND/OR HYDRAULIC SYSTEM FAILURE AFTER SERVICING THE PRESSURE PLATE. *TT
01119A2004-07-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ROLL-OUT FOR THE GEN III SMALL BLOCK ENGINES WITH IRIDIUM SPARK PLUGS. ALSO INCLUDES 2003/2004 M/L VANS. *TT
016242004-06-04. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. GEN III ENGINES WITH MAF (MASS AIRFLOW) SENSOR CODE P0101. *TT
015992004-06-04. Service bulletin. POWER TRAIN. 4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT
020132004-05-26. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. COOLANT LEAK FROM HEAD CUP PLUGS ON GEN III ENGINES. *MR
020402004-05-25. Service bulletin. STRUCTURE:BODY:ROOF AND PILLARS. SUPPLEMENT TO 02-08-111-001 CONVERTIBLE TOP 5TH BOW RUBS STOWAGE LID.*MR
040062004-05-25. Service bulletin. STEERING:COLUMN LOCKING:ANTI-THEFT DEVICE. GMP04-057 - 04006 ELECTRONIC COLUMN LOCK SYSTEM. *TT THIS IS A PART 1 OF A 2 PART MESSAGE. *TT
016572004-04-30. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. CLARIFICATION OF ANTI-LOCK BRAKING SYSTEM (ABS)-RELATED OPTION CODES. SIT BULLETIN 1451252. *TT
030844005B2004-03-04. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW. POOR RADIO RECEPTION OR RADIO STATIC/ INCREASED INTERFERENCE WITH REAR WINDOW DEFOGGER ON OR SOME REAR WINDOW DEFOGGER GRIDS MAY BE INOPERATIVE. *TT
0308420122004-03-04. Service bulletin. EXTERIOR LIGHTING:HEADLIGHTS. TWILIGHT SENTINEL/AUTOMATIC HEADLAMP CONTROL NOT FUNCTIONING CORRECTLY OR IS INOPERATIVE. *TT
030730007A2004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ENGAGEMENT TIME OF ELECTRONICALLY CONTROLLED TRANSMISSIONS IN GENERAL MOTORS VEHICLES. VARIOUS MODELS INCLUDING 2000-2006 ALL LIGHT DUTY TRUCKS. *TT
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
0304200062004-03-03. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. FLUID LEAK AT REAR AXLE. *TT
014892004-03-02. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. ERRATIC FUEL GAUGE OPERATION AND DIAGNOSTIC TROUBLE CODE (DTC) P1431. SIT BULLETIN 1401034. *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
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
00110A2004-02-25. Service bulletin. FUEL SYSTEM, OTHER. FUEL GAUGE/PUMP DIAGNOSTIC TESTS. SIT BULLETIN 1411305. *TT
010730038B2004-02-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT
0918032004-01-27. Service bulletin. FUEL SYSTEM, OTHER. NEW FUEL SYSTEM THAT CONSISTS OF NEW TANKS AND NEW FUEL LINE ASSEMBLIES. GM VOICEMAIL LOG. *TT

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