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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

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
0603030102004-02-19. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE MANUAL UPDATE REGARDING TROUBLESHOOTING TABLE FOR DIAGNOSTIC TROUBLE CODE (DTC) P0621. *PH
0300900032003-11-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL FILTER CAP ASSEMBLY AND OIL FILTER ELEMENT DESIGN CHANGE. *TT
0306040292003-08-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHECK ENGINE LIGHT (SERVICE ENGINE SOON) ILLUMINATED, DIAGNOSTIC TROUBLE CODE P1683 AND/OR P0116 SET. *TT
0306010172003-08-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TIMING CHAIN DESIGN CHANGE AND REVISED SERVICE PROCEDURES. *TT
0301380042003-06-06. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. HVAC BLOWER MOTOR INOPERATIVE AND/OR BLOWER SPEED IS HIGHER/LOWER THAN REQUESTED SPEED. *TT
0306030052003-04-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. (ENGINE CONTROL MODULE / TRANSMISSION CONTROL MODULE) ECM/TCM IGNITION MODULE GROUND LOCATION CHANGE. *TT *MJ
0306020012003-04-22. Service bulletin. ENGINE AND ENGINE COOLING. DESIGN CHANGE TO WATER PUMP USED ON L61 ENGINE. *TT
02T832003-02-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. ENGINE COOLANT LEAK FROM COOLANT PUMP DRAIN PLUG. *TT

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