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Service bulletins for the 2003 Saturn Ion

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.

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

By type

By component

By trouble code

Bulletins, newest first
040202004-05-04. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SPECIAL POLICY ADJUSTMENT - EXTENDED TRANSMISSION WARRANTY COVERAGE FOR THE VARIABLE TRANSMISSION WITH INTELLIGENCE (VTI) TRANSMISSION. *MR
0403080032004-05-04. Service bulletin. SUSPENSION:FRONT:STABILIZER BAR. SQUEAK, RATTLE, POP OR CLUNK NOISE FROM FRONT OF VEHICLE DURING SUSPENSION MOVEMENT. *MR *TT
0407300162004-05-04. Service bulletin. POWER TRAIN. 1-2 AND/OR 2-3 UPSHIFT DELAY, HARSH TIP-IN DOWNSHIFT, ERRATIC ENGAGEMENT OF DOWN SLOPE MODE. *TT
0402350062004-05-03. Service bulletin. STEERING:COLUMN. RATTLE NOISE FROM STEERING COLUMN. *MR
0408630022004-04-22. Service bulletin. LATCHES/LOCKS/LINKAGES:HOOD:LATCH. HOOD LATCH RELEASE CABLE FROZEN/SEIZED. *TT
0408680012004-04-21. Service bulletin. VEHICLE SPEED CONTROL:CRUISE CONTROL. SERVICE MANUAL UPDATE REGARDING THE CRUISE CONTROL INOPERATIVE/MALFUNCTIONING DIAGNOSTIC TABLE. *TT
0408630032004-04-16. Service bulletin. LATCHES/LOCKS/LINKAGES:HOOD:LATCH. SERVICE MANUAL UPDATE - HOOD OPENING PROCEDURE FOR INOPERATIVE HOOD LATCH. *TT
0406040102004-04-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MALFUNCTION INDICATOR LAMP (MIL) SERVICE ENGINE SOON TELLTALE ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) P0606 MAY BE STORED. *TT
0407300112004-04-05. Service bulletin. POWER TRAIN. ANAEROBIC SEALANT APPLICATION REQUIREMENTS FOR VT25E TRANSAXLE. SERVICE MANUAL UPDATE. *TT *MJ
03061230012004-03-04. Service bulletin. ENGINE AND ENGINE COOLING. SLIGHT LOSS OF COOLANT OR LOW COOLANT LIGHT COMING ON WITH NO SIGNS OF EXTERNAL LEAKS. ALSO THE ENGINE MAY BE DIFFICULT TO START; ENGINE MISFIRE FOR SEVERAL SECONDS; AND/OR WHITE SMOKE OR COOLANT ODOR FROM THE TAILPIPE. *TT
0308640382004-03-04. Service bulletin. VISIBILITY. AFTERMARKET WINDOW TINTING SCRATCHED OR TORN. *TT
0308420112004-03-04. Service bulletin. ELECTRICAL SYSTEM:WIRING. SERVICE MANUAL UPDATE FOR HEADLAMP WIRING HARNESS REPLACEMENT. *TT
0306030102004-03-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE MANUAL UPDATE REGARDING TROUBLESHOOTING TABLE FOR DIAGNOSTIC TROUBLE CODE (DTC) P0621. *TT
0302350052004-03-04. Service bulletin. STEERING. SERVICE PROCEDURE TO VERIFY PROPER VALET KEY FUNCTIONS PRIOR TO CUSTOMER DELIVERY. *TT
0407300052004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HISS/CHIRP NOISE IN PARK OR NEUTRAL. *MN
030730052A2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION. ENGINE FLARE DURING 2-3 SHIFT, MOST NOTICEABLE DURING LIGHT TO MODERATE ACCELERATION. THE CONDITION MAY BE CAUSED BY AERATION OF TRANSAXLE FLUID, RESULTING IN A DELAYED APPLY OF 3RD CLUTCH. CORPORATE BULLETIN NUMBER 03-07-30-052 *MN
015922004-02-27. Service bulletin. ELECTRICAL SYSTEM. 2003-2004 GENERATION 5 ONSTAR STEERING WHEEL CONTROL FUNCTION EXPLANATION. SIT BULLETIN 1416474. *TT
030604024A2004-02-20. Service bulletin. FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP. EXCESSIVE FUEL PUMP BUZZING, GROWLING NOISE, VIBRATION FROM REAR OF VEHICLE. *TT
020235008A2004-02-19. Service bulletin. STEERING:COLUMN. FLUID DRIPPING ON DRIVER'S FLOORMAT. *PH
0308640392004-02-19. Service bulletin. STRUCTURE:BODY:DOOR. WATER ENTERS PASSENGER COMPARTMENT, CREAKING NOISE FROM DOOR WHILE DRIVING AND/OR REAR DOOR HEADER SEAL PULLS AWAY FROM DOOR. *PH
0603030102004-02-19. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE MANUAL UPDATE REGARDING TROUBLESHOOTING TABLE FOR DIAGNOSTIC TROUBLE CODE (DTC) P0621. *PH
030730023A2004-02-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. VEHICLE DOES NOT SHIFT OR MOVE AFTER RUNNING FOR A PERIOD OF TIME AND/OR CHECK ENGINE LIGHT IS ON AND DTC P0741 IS SET. *PH *SC
0101042004-02-12. Service bulletin. ELECTRICAL SYSTEM. SPEEDOMETER FLUCTUATION. *TT
030844016A2004-02-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. COMPACT DISCS (CDS) SKIP IN SINGLE CD PLAYER. *TT
0305240012004-02-11. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM:WHEEL CYLINDERS. SERVICE INFORMATION REGARDING SATURN REAR DRUM WHEEL CYLINDER INSPECTIONS. *TT UPDATE. *TT

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