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Service bulletin PI1805_TSB_R1

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 id10168952
Published by NHTSA2019-12-09
Manufacturer's numberPI1805_TSB_R1
Manufacturer's date2019-11-07
NHTSA componentENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE

NHTSA's summary

TSB: PRODUCT IMPROVEMENT CAMPAIGN PI1805_R1: KNOCK SENSOR DETECTION SYSTEM (KSDS) - This bulletin has been revised to include additional information. LOGIC IMPROVEMENT (PI1805) - This bulletin provides information related to a software update to the Engine Control Unit (ECU) to install the Knock Sensor Detection System (KSDS) in order to protect the engine from excessive connecting rod bearing damage.

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, Engine, Equipment and accessories, Software

Vehicles listed
KIA OPTIMA2019
KIA SORENTO2019
KIA SPORTAGE2019

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