Service bulletin PS353R1

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)
Type	Service bulletin
NHTSA id	10109879
Published by NHTSA	2017-08-02
Manufacturer's number	PS353R1
Manufacturer's date	2016-12-20
NHTSA component	EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY

NHTSA's summary

PITSTOP: NAVIGATION HEAD UNIT REPLACEMENT - This article provides information regarding navigation head unit replacement on 2015 - 2017MY Soul EV (PS EV), 2016 - 2017MY K900 (KH), and 2017MY Optima Plug-in Hybrid (PHEV). It is important to note that the head units in these vehicles contain a modem and should NOT be swapped between vehicles under any circumstances. Swapping a head unit from one vehicle to another may result in a non-operational UVO eServices on one of the vehicles. If a head unit needs to be replaced, the factory recommendation is to always order a replacement head unit to ensure proper eServices operations using the new installed/replaced head unit.

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

Equipment and accessories

Vehicles listed
KIA K900	2016, 2017
KIA OPTIMA	2017
KIA SOUL	2017
KIA SOUL EV	2015, 2016 (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.

Other bulletins for the same vehicles and component
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