Service bulletin WTY036_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.

The communication, as NHTSA indexes it (as of 2026-10-19)
Type	Service bulletin
NHTSA id	10251973
Published by NHTSA	2024-04-03
Manufacturer's number	WTY036_TSB
Manufacturer's date	2024-03-08
NHTSA component	AIR BAGS

NHTSA's summary

TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION: SIDE AIRBAG (SAB) INSPECTION ANDREPLACEMENT FOR DTC(S) B1380/B1384 (WTY036) - This bulletin provides information associated with the 'Warranty Extension Program' (WTY036) to diagnose and repair certain airbag warning light 'ON' conditions on 2019-2020MY Optima (JFa) vehicles produced from May 21, 2018 through June 23, 2020. The affected vehicles may exhibit an airbag warning light 'ON' with DTC B1380 and/or B1384 due to the front seat Side Airbag (SAB) connector experiencing higher than normal resistance. The warranty coverage for repairs related to the front seat SAB due to illumination of airbag warning light has been extended to 15 years/unlimited miles, starting from the date the vehicle was first put into service.

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

Air bags

Trouble codes named

B1380, B1384

Vehicles listed
KIA OPTIMA	2019, 2020

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
WTY036_TSB_R1	2025-09-12. Service bulletin. TECHNICAL SERVICE BULLETIN: WARRANTY EXTENSION CAMPAIGN: SIDE AIRBAG (SAB) INSPECTION AND REPLACEMENT FOR DTC(S) B1380/B1384 (WTY036) - 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 information associated with the ‘Warranty Extension Program’ (WTY036) to diagnose and repair certain airbag warning light 'ON' conditions on 2019-2020MY Optima (JFa) vehicles produced from May 21, 2018 through June 23, 2020. The affected vehicles may exhibit an airbag warning light 'ON' with DTC B1380 and/or B1384 due to the front seat Side Airbag (SAB) connector experiencing higher than normal resistance. The warranty coverage for repairs related to the front seat SAB due to illumination of airbag warning light has been extended to 15 years / unlimited miles, starting from the date the vehicle was first put into service.
WTY036_TSB	2024-04-02. Service bulletin. TECHNICAL SERVICE BULLETIN: SIDE AIRBAG (SAB) INSPECTION AND REPLACEMENT FOR DTC(S) B1380/B1384 (WTY036) - This bulletin provides information associated with the 'Warranty Extension Program' (WTY036) to diagnose and repair certain airbag warning light 'ON' conditions on 2019-2020MY Optima (JFa) vehicles produced from May 21, 2018 through June 23, 2020. The affected vehicles may exhibit an airbag warning light 'ON' with DTC B1380 and/or B1384 due to the front seat Side Airbag (SAB) connector experiencing higher than normal resistance. The warranty coverage for repairs related to the front seat SAB due to illumination of the airbag warning light has been extended to 15 years / unlimited miles, starting from the date the vehicle was first put into service.
WTY036_REIMB	2024-03-02. Service bulletin. WARRANTY EXTENSION: REIMBURSEMENT FORM (WTY036) - This document is a Reimbursement Request form that was mailed with the customer letter advising them to submit the form if they had paid for repairs for this same matter prior to the warranty extension program launch.
WTY036_QA	2024-03-02. Service bulletin. WARRANTY EXTENSION: QUESTION AND ANSWER (WTY036) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Warranty Extension Campaign WTY036.
WTY036_OWNR	2024-03-02. Service bulletin. WARRANTY EXTENSION: OWNER NOTIFICATION (WTY036) - This document is the owner notification advising that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the illumination of the Airbag Warning Light in 2019-2020 MY Optima vehicles from 5 years / 60,000 miles to 15 years / unlimited miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the Airbag Warning Light ON condition.
WTY036_DPSM	2024-03-02. Service bulletin. WARRANTY EXTENSION: DEALER PARTS AND SERVICE MANAGER MEMO (WTY036) - This document is the announcement to the dealer Parts and Service Managers that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the illumination of the Airbag Warning Light in 2019-2020 MY Optima vehicles from 5 years / 60,000 miles to 15 years / unlimited miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the Airbag Warning Light ON condition.
WTY036_DP	2024-03-02. Service bulletin. WARRANTY EXTENSION: DEALER PRINCIPAL MEMO (WTY036) - This document is the announcement to the dealer principals that Kia is extending the New Vehicle Limited Warranty coverage, to all owners, for repairs related to the illumination of the Airbag Warning Light in 2019-2020 MY Optima vehicles from 5 years / 60,000 miles to 15 years / unlimited miles, whichever comes first, starting from the date the vehicle was first put into service. This warranty extension is to address the Airbag Warning Light ON condition.
PS643	2020-03-05. Service bulletin. PITSTOP: SUN VISOR WITH FRENCH TEXT AIRBAG WARNING LABELS - This Pitstop provides information regarding the left and/or right side sun visors on some 2020MY Optima (JFa) vehicles which may have been equipped with both English and French SRS Airbag wording within the warning labels.