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Service bulletin TSBENG181

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 id10127032
Published by NHTSA2018-01-16
Manufacturer's numberTSBENG181
Manufacturer's date2017-12-12
NHTSA componentELECTRICAL SYSTEM:IGNITION

NHTSA's summary

TSB - SERVICE ACTION: IGNITION COIL OR COIL RFI SPRING REPLACEMENT FOR DTC P030X (SA321) - This bulletin provides the procedure to replace all four (4) ignition coils or replace all four (4) coil radio frequency interference (RFI) springs on some 2017-2018MY Forte (YDm) 2.0L MPI vehicles, produced from May 16, 2017 through September 7, 2017, which may experience a malfunction indicator lamp illumination (MIL) ON with DTC P030X (P0300, P0301, P0302, P0303, or P0304).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Ignition

Trouble codes named

P0300, P0301, P0302, P0303, P0304

Vehicles listed
KIA FORTE2017, 2018

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
CS2305_TSB_R42023-12-05. Service bulletin. TECHNICAL SERVICE BULLETIN: CUSTOMER SATISFACTION: ANTI-THEFT S/W LOGIC UPGRADE & DECAL INSTALLATION (CS2305) - 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 the procedure to upgrade the software logic of the Integrated Body Control Unit (IBU) or Body Control Module (BCM) system on certain 2014-2018MY Forte (YD), 2017-2018MY Forte (YDm), and 2019-2021MY Forte (BDm) vehicles produced within the dates outlined in page 13, which may not be equipped with an immobilizer. This logic upgrade will add anti-theft ignition start logic to the vehicle's system operation which activates when the vehicle is locked.
TSBTRA072A_R12018-02-12. Service bulletin. TSB - SERVICE ACTION: INHIBITOR SWITCH REPLACEMENT (SA317A) - This bulletin provides the procedure to replace the inhibitor switch on some 2017MY Optima (JFa), Sorento (UMa), Optima Hybrid (HEV), Optima Plug-in Hybrid (PHEV), Sportage (QL), Forte (YD), and Sedona (YP) vehicles, equipped with a front wheel drive 6-speed transmission, which may experience the concerns listed below. These concerns may be due to the inhibitor switch not allowing the correct gear position signal to be sent to various control units.