WenmarOpen by Wenmar Pro

Service bulletin TSB_ENG221

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 id10179235
Published by NHTSA2020-09-03
Manufacturer's numberTSB_ENG221
Manufacturer's date2020-08-04
NHTSA componentELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

TECHNICAL SERVICE BULLETIN SERVICE ACTION: ACTIVE AIR FLAP (AAF) MIL ON JUDGMENT LOGIC IMPROVEMENT (SA429) - This bulletin provides the procedure to improve the logic of the Active Air Flap (AAF) on some 2020MY Niro (DE P/HEV) vehicles, produced from November 1, 2019 through July 17, 2020. This will improve the judgment logic which may exhibit a MIL ON with DTC(s) P059F and/or P05B2.

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, Cooling fan, Cooling system

Trouble codes named

P059F, P05B2

Vehicles listed
KIA NIRO2020
KIA NIRO PHEV2020 (the catalog's model; the bulletin names a series or trim of it)

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