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Service bulletin 034R

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 id10005614
Published by NHTSA2004-03-08
Manufacturer's number034R
Manufacturer's date2004-02-01
NHTSA componentENGINE AND ENGINE COOLING:ENGINE

NHTSA's summary

THIS REVISED BULLETIN PROVIDES INFORMATION ON SERVICE CAMPAIGN TO REPROGRAM THE ENGINE CONTROL MODULE (ECM) ON CERTAIN MODELS PRODUCED FROM 5/4/00 THROUGH 10/31/02. *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 RIO2001, 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.
822005-07-13. Service bulletin. IMPROVED TIMING BELTS FOR THE KIA RIO AND OPTIMA. *TT
0342004-03-10. Service bulletin. THIS BULLETIN PROVIDES INFORMATION ON SERVICE CAMPAIGN TO REPROGRAM THE ENGINE CONTROL MODULE (ECM) ON CERTAIN MODELS PRODUCED FROM 5/4/00 THROUGH 10/31/02. *TT
0342004-03-10. Service bulletin. VOLUNTARY SERVICE CAMPAIGN SC034 TO REPROGRAM THE ENGINE CONTROL MODULE (ECM). VEHICLES EXPERIENCING STALLING DURING IDLING OR AT NEAR STOPPING CONDITIONS. LETTERS TO KIA SERVICE MANAGERS, DEALERS AND QUESTIONS AND ANSWERS SHEET. *TT
0132003-11-12. Service bulletin. LOW AMBIENT HARD START IN ALL 2003 AND SOME 2004 1.6 DOHC MODELS. REVISED. *TT