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Service bulletin 54

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 id637371
Published by NHTSA2002-11-25
Manufacturer's number54
Manufacturer's date2002-01-01
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

SUBJECT REGARDING DIAGNOSTIC TROUBLE CODES STORED WITHOUT MALFUNCTION INDICATOR LAMP AND / OR OVERDRIVE LIGHT ON. *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

Electrical system, Ignition

Vehicles listed
KIA OPTIMA
KIA RIO
KIA SEDONA
KIA SPECTRA

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