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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
0307300492004-01-05. Service bulletin. STRUCTURE. SPEEDOMETER FLUCTUATION. *TT
0301380202003-12-24. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AIR CONDITIONING (A/C) CONDENSATION LEAKING ONTO THE VEHICLE FLOOR DURING TIMES OF A/C USAGE. *TT THIS BULLETIN REPLACES 03-01-38-020 DATED 11/01/2003. *TT
0307300552003-12-24. Service bulletin. POWER TRAIN. SERVICE INFORMATION REGARDING 2002 AND 2003 MODEL YEAR VT25E TRANSAXLE REPLACEMENT WITH 2004 MODEL YEAR VT25E TRANSAXLE. *TT
0302340022003-12-17. Service bulletin. STEERING. SQUEAK OR SQUEAL NOISE WHILE TURNING VEHICLE. *TT
0307300522003-12-17. Service bulletin. POWER TRAIN. ENGINE FLARE DURING 2-3 SHIFT, MOST NOTICEABLE DURING LIGHT TO MODERATE ACCELERATION. *TT UPDATED *EH
0307300512003-12-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. LOW SPEED COAST GRINDING NOISE AND/OR HESITATION AT VEHICLE LAUNCH - TECHNICAL SERVICE BULLETIN. *TT TO INCLUDE 2005 SATURN VUE. *EH
0308440132003-12-05. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. REVISED SATURN RADIO LOCKOUT CODE PHONE NUMBER. 2003 SATURN ION AND 2004 SATURN L-SERIES. *TT
0300890252003-12-05. Service bulletin. UNKNOWN OR OTHER. CLARIFICATION OF LABOR CODES USED FOR REPROGRAMMING VEHICLE CONTROLLERS. VARIOUS MODELS INCLUDING THE 2004 L-SERIES. *TT
0307300412003-12-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE MANUAL UPDATE FOR VT25E (VTI) TRANSMISSION FRONT DIFFERENTIAL CARRIER THRUST WASHER. *TT
0307290072003-11-11. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. SERVICE INFORMATION REGARDING DESIGN CHANGE TO THE MANUAL TRANSMISSION SHIFT CONTROL HOUSING AND THE MANUAL TRANSMISSION SELECT AND SHIFT LEVER CABLES. *TT
0300900032003-11-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL FILTER CAP ASSEMBLY AND OIL FILTER ELEMENT DESIGN CHANGE. *TT
0307300482003-11-07. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SERVICE INFORMATION REGARDING TRANSAXLE POOR PERFORMANCE AFTER CASE COVER REPLACEMENT, DIAGNOSTIC TROUBLE CODE P1882 SET. *TT
0300890322003-11-07. Service bulletin. UNKNOWN OR OTHER. RECREATIONAL AND DISABLED VEHICLE TOWING INFORMATION. *TT
0308440192003-11-07. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. LOW VOLUME TICKING NOISE, RADIO VOLUME RESOLUTION OR CD WILL NOT LOAD/EJECT. *TT
030089033A2003-11-07. Service bulletin. UNKNOWN OR OTHER. TRAILER, RECREATIONAL AND DISABLED VEHICLE TOWING INFORMATION. *TT *SC
0308640352003-11-07. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH. FRONT SIDE DOOR LOCK CYLINDER IS MISSING OR DOES NOT SIT FLUSH TO THE OUTER DOOR PANEL. *TT
0308520062003-11-06. Service bulletin. EQUIPMENT. INSTALLATION OF REMOTE KEYLESS ENTRY (RKE) TO ION2 VEHICLES. *TT
0308440162003-10-24. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. COMPACT DISCS (CDS) SKIP IN SINGLE CD PLAYER. *TT
0308660102003-10-24. Service bulletin. STRUCTURE:BODY. WET AND/OR STAINED TRIM CARPETING IN RIGHT REAR AREA OF TRUNK. *TT
030730030A2003-10-24. Service bulletin. POWER TRAIN. AF23-5 TRANSAXLE REPLACEMENT AND TRANSMISSION CONTROL MODULE (TCM) REPROGRAMMING. *TT
0308440172003-10-24. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. CHANGES TO THE AM/FM STEREO AND AUDIO DISC PLAYER RADIO ON-BOARD DIAGNOSTIC MODES AND CD LOAD OPERATION. *TT
0308620022003-10-24. Service bulletin. STRUCTURE:BODY. REAR FASCIA PAINT IS SCUFFED BELOW REAR COMPARTMENT LID APPLIQUE. *TT
0308430042003-10-22. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. WINDSHIELD WIPERS CHATTER OR HOP ACROSS WINDSHIELD DURING WIPER OPERATION. *TT
030139011A2003-10-22. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. WATER LEAKS INTO PASSENGER COMPARTMENT WITH VEHICLE IN INCLINE/UPHILL POSITION. *TT THIS BULLETIN REPLACED PREVIOUS VERSION DATED 08-01-03. *TT
0308440122003-10-22. Service bulletin. STRUCTURE:BODY. WATER LEAKS INTO THE FRONT DRIVER AND/OR PASSENGER FOOT WELLS NEAR THE FRONT SPEAKER GRILL AREA AFTER SUSTAINED HEAVY RAIN. *TT

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