2003 Kia Optima Technical Service Bulletins

15 technical service bulletins (TSBs) are on record for the 2003 Kia Optima. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10201529Sep 13, 2021Exterior lighting, Body and structure. TECHNICAL SERVICE BULLETIN: INFORMATION FOR HEADLAMP CONDENSATION AND MOISTURE - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides information relating to some Kia models that may exhibit fogging, condensation, and/or moisture inside a headlamp assembly.
• 10133170Mar 2, 2018Engine cooling. PITSTOP - ENGINE COMPONENT RE-USE GUIDELINES - In general, parts and components removed during engine repairs should be considered serviceable, and should be thoroughly cleaned and transferred to the new engine.
• 10109812Jan 18, 2017Equipment. TSB: MANDATORY REPLACEMENT OF LOCKING/SECURITY HARDWARE - By design, certain fasteners, which are designed to lock into place once fully attached, are utilized in various Kia models and are strictly intended for ?one time use.? Some examples are: axle shaft nuts with stake collar, cotter pins, washers with locking tabs and other similar hardware, including threaded fasteners with pre-applied ?thread-locking…
• 10109777Nov 4, 2016Equipment, Latches, locks and linkages. TSB: MANDATORY REPLACEMENT OF LOCKING/SECURITY HARDWARE - By design, certain fasteners utilized in various Kia models are strictly intended for ?one time use?. Though not limited to the following, some examples are: axle shaft nuts with stake collar, cotter pins, washers with locking tabs and other similar hardware, including threaded fasteners with pre-applied ?thread-locking adhesives.?
• 10183431Apr 4, 2016Equipment, Electrical system. TSB - USE OF AFTERMARKET USB CHARGING CABLES IN USB/12V PORTS - This article provides information regarding the use of USB ports and 12V power outlets to connect/charge mobile phones.
• 10091489Dec 6, 2013Transmission and drivetrain. Tsb: automatic transmission fluid application guide - this bulletin provides information relating to the correct automatic transmission fluids that are required for each kia model. Refer to the shop manual on kgis for the specific kia model, then reference the automatic transaxle system/ repair procedures/ inspection and adjustment section for the correct atf check/fill procedures.
• 10034246May 1, 2010Engine cooling. Kia: intermittent mil on with no fault code stored; information about dtc p1330. Provides information relating to certain vehicles. In affected vehicles an intermittent short to ground in a circuit only intended for testing purposes may cause the mil to illuminate and a dtc p1330 (spark timing adjust) to be stored.
• 10033464Nov 1, 2009Electrical system, Engine cooling. Kia: ecm upgrade with tp sensor replacement-mil on with dtc p2135/p0638. Information related to ecm software and tp sensor upgrade on some vehicles with 2.7l engines which may experience a malfunction indicator lamp (mil) illuminated with the electronic throttle control (etc) system related dtc p2135 or p0638 or p2a00 or p2a03.
• 10031006Jun 1, 2009Body and structure. Kia: during a service procedure that requires the subframe to be removed from a 2001-2005 optima (ms) (v-6 or I-4), an improved service procedure has been developed to enhance service efficiency.
• 10026726Aug 28, 2008Brakes, Exterior lighting. Kia: all models. Article provides information relating to the improved durability of bulb life for rear combination bulb; rear stop lamp/tail lamp bulb utilized on multiple kia models.
• 10023626Nov 1, 2007Engine cooling. This bulletin provides information relating to an engine hesitation or the illumination of the malfunction indicator lamp (mil) for p0123 (throttle position sensor / switch (a) circuit high input).
• 10022959Sep 1, 2007Air bags. Supplement restraint system (srs) warning lamp illumination for b1378 and b1382.
• 10017768Oct 1, 2005Engine cooling. Hesitation for a short period of time after an initial cold start. Ecm reprogramming/upgrade.
• 10015272Jan 1, 2005Engine cooling. Improved timing belts for the kia rio and optima.
• 10016851Dec 1, 2004Fuel system, Other or unknown. Enhanced diagnosis and repair for p0446/p2422.

← All problems reported for the 2003 Kia Optima