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Service bulletin 012

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10002355
Published by NHTSA2003-08-23
Manufacturer's number012
Manufacturer's date2003-05-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

OPTIMA CHARGING SYSTEM - V6 ENGINE. *TT

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Engine

Vehicles listed
KIA OPTIMA2001, 2002, 2003

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PS5392018-04-16. Service bulletin. 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.
TSB-0682010-10-29. Service bulletin. 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. *PE
TSB-0442010-08-18. Service bulletin. 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. *PE
0382008-01-16. Service bulletin. 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). *NJ
0232005-11-30. Service bulletin. HESITATION FOR A SHORT PERIOD OF TIME AFTER AN INITIAL COLD START. ECM REPROGRAMMING/UPGRADE. *TT
822005-07-13. Service bulletin. IMPROVED TIMING BELTS FOR THE KIA RIO AND OPTIMA. *TT
0162004-10-15. Service bulletin. O2 SENSOR ENGINE CONTROL MODULE UPGRADE. *TT
0407042004-04-16. Service bulletin. SERVICE MANAGER NOTIFICATION REGARDING ENGINE CONTROL MODULE REPROGRAM AND OXYGEN SENSOR REPLACEMENT. *TT
0407042004-04-16. Service bulletin. DEALER PRINCIPAL NOTIFICATION REGARDING ENGINE CONTROL MODULE REPROGRAM AND OXYGEN SENSOR REPLACEMENT. *TT
0407042004-04-16. Service bulletin. QUESTIONS AND ANSWERS FOR CAMPAIGN SC037 ENGINE CONTROL MODULE (ECM) REPROGRAM AND OXYGEN SENSOR REPLACEMENT. *TT