# Service bulletin WTY031\_TSB

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.

- Type: Service bulletin
- NHTSA id: 10237138
- Published by NHTSA: 2023\-06\-01
- Manufacturer's number: WTY031\_TSB
- Manufacturer's date: 2023\-05\-31
- NHTSA component: ELECTRICAL SYSTEM:WIRING:SWITCHES/KNOBS/BUTTONS; ELECTRICAL SYSTEM; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING

## NHTSA's summary

TECHNICAL SERVICE BULLETIN: MULTIFUNCTION SWITCH REPAIR \- This bulletin provides information associated with the \&\#39;Multifunction Switch Warranty Extension Program\&\#39; \(WTY031\) to repair the multifunction switch knob on 2016\-2018MY Sorento \(UMa\) vehicles, produced at Kia Georgia from October 27, 2014 through March 7, 2018, which may exhibit an intermittent headlamp flickering. The vehicle’s warranty for this issue will be extended from 5 years/60,000 miles to 15 years/150,000 miles, whichever comes first, starting from the date the vehicle was first put into service.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237138-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237138-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Lighting, Headlights, Wiring and fuses

## Vehicles listed

- 2016 to 2018 KIA SORENTO

## Other bulletins for the same vehicles and component

- [PI1802WX\_TSB\_R7](/bulletins/10170766.md), 2020-02-03, Service bulletin: ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM:WIRING. PRODUCT IMPROVEMENT CAMPAIGN: ENGINE REPLACEMENT INSTRUCTIONS FOR DTC P1326 \(PI1802W/X\) \- This bulletin has been revised to include additional information.This bulletin provides information related to the Technical Service Bulletin previously published in July 2018 \(PI1802, Rev 6, 01/31/2019\) titled "Knock Sensor Detection System \- ECU Logic Improvement". Specifically, this bulletin provides instructions on which procedures to follow if, after installation of the KSDS, any one of the subject vehicles below returns to the dealer with Diagnostic Trouble Code \(DTC\), P1326.

JSON: [/v1/bulletins/10237138](/v1/bulletins/10237138)

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