Service bulletin PI2301_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)
Type	Service bulletin
NHTSA id	10242577
Published by NHTSA	2023-10-01
Manufacturer's number	PI2301_TSB_R1
Manufacturer's date	2023-09-14
NHTSA component	SEATS; STRUCTURE

NHTSA's summary

PRODUCT IMPROVEMENT CAMPAIGN: INSTALLATION OF STEEL REINFORCEMENT PLATES FOR 2ND ROW SEAT OUTER RAILS (PI2301) - PI2301 TEMPORARILY ON HOLD PENDING UPDATED PARTS.

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

Body and frame, Seats

Vehicles listed
KIA CARNIVAL	2022, 2023, 2024

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

Recalls for the same vehicles and component
2024023	2024-01-19. Structure
24V025000	2024-01-18. STRUCTURE:BODY:ROOF AND PILLARS
23V236000	2023-03-31. STRUCTURE:BODY:DOOR
2023182	2023-03-29. Structure
2021712	2021-11-19. Structure
21V908000	2021-11-19. LATCHES/LOCKS/LINKAGES:ELECTRONIC LOCK/LATCH ACTUATOR; STRUCTURE:BODY:DOOR

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
PSD_REMINDER2_105	2026-06-26. Other. IMPORTANT REMINDER: OWNER NOTIFICATION: CARNIVAL POWER SLIDING DOOR FEATURE (KA4PSD2 FLIGHT#105) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. We would like to remind vehicle owners about the proper use of the power sliding door and its automatic stop and reversal feature in the Kia Carnival. The power sliding door feature is designed to enhance accessibility and ease of use, but it’s important to understand its functions and limitations to ensure safe and reliable operation.
PI2602_TSB	2026-06-17. Service bulletin. TECHNICAL SERVICE BULLETIN: PRODUCT IMPROVEMENT CAMPAIGN: 2ND ROW SEAT (LH & RH) FOLDING TENSION SPRING REPLACEMENT (PI2602) - This bulletin provides information to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during the operation on certain 2022-2026MY Carnival (KA4) produced from 1/4/2021 through 4/14/2026 and certain 2025-2026MY Carnival Hybrid (KA4 HEV) vehicles produced from 5/21/2024 through 4/8/2026. To aid in the manual adjustment of the outboard second-row seatback in the subject vehicles, the seats are equipped with recliner springs that work in conjunction with a user-controlled seatback angle lever or walk-in lever. This seatback motion is controlled by the user to achieve their desired seat position. To improve usability, Kia has developed a newly designed second-row seatback recliner spring that will dampen the motion of the manual second-row seatback angle adjustment. (Note: Only the second-row outboard seats are affected. The second-row center seat, if equipped, is excluded from this campaign.)
PI2602_QA	2026-06-16. Other. PRODUCT IMPROVEMENT CAMPAIGN: QUESTION AND ANSWER (PI2602) - This document is the Question and Answer Guide containing the most frequently asked questions regarding the Product Improvement Campaign PI2602.
PI2602_OWNR	2026-06-16. Other. PRODUCT IMPROVEMENT CAMPAIGN: OWNER NOTIFICATION (PI2602) - This document is the owner notification advising that Kia is conducting a Product Improvement Campaign on certain 2022-2026 MY Carnival and certain 2025-2026 MY Carnival Hybrid (HEV) vehicles, equipped with manual (folding) second-row seats, to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during operation.
PI2602_DPSM	2026-06-15. Other. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PARTS AND SERVICE MANAGER MEMO (PI2602) - This document is the announcement to the dealer Parts and Service managers advising that Kia is conducting a Product Improvement Campaign to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during operation in certain 2022-2026 MY Carnival vehicles manufactured from January 4, 2021 through April 14, 2026 and certain 2025-2026 MY Carnival Hybrid (HEV) vehicles manufactured from May 21, 2024 through April 8, 2026.
PI2602_DP	2026-06-15. Other. PRODUCT IMPROVEMENT CAMPAIGN: DEALER PRINCIPAL MEMO (PI2602) - This document is the announcement to the dealer principals advising that Kia is conducting a Product Improvement Campaign to enhance the second-row seatback recliner mechanism to dampen the motion of the manual seatback angle adjustment during operation in certain 2022-2026 MY Carnival vehicles manufactured from January 4, 2021 through April 14, 2026 and certain 2025-2026 MY Carnival Hybrid (HEV) vehicles manufactured from May 21, 2024 through April 8, 2026.
PSD_REMINDER2_104	2026-05-01. Other. IMPORTANT REMINDER: OWNER NOTIFICATION (KA4PSD2) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. We would like to remind vehicle owners about the proper use of the power sliding door and its automatic stop and reversal feature in the Kia Carnival. The power sliding door feature is designed to enhance accessibility and ease of use, but it’s important to understand its functions and limitations to ensure safe and reliable operation.
PSD_REMINDER_103	2025-12-24. Other. IMPORTANT REMINDER: CARNIVAL POWER SLIDING DOOR FEATURE: OWNER NOTIFICATION (KA4PSD2 FLIGHT 103) - This document is the owner notification advising Kia's ongoing commitment to providing vehicle owners with a superior ownership experience. We would like to remind vehicle owners about the proper use of the power sliding door and its automatic stop and reversal feature in the Kia Carnival. The power sliding door feature is designed to enhance accessibility and ease of use, but it’s important to understand its functions and limitations to ensure safe and reliable operation.
PSD_REMINDER2_102	2025-10-08. Other. IMPORTANT REMINDER: CARNIVAL POWER SLIDING DOOR FEATURE: OWNER NOTIFICATION (KA4PSD2 FLIGHT 102) - This document is the owner notification advising Kia's ongoing commitment to providing Kia Carnival vehicle owners with a superior ownership experience. This is reminder about the proper use of the power sliding door and its automatic stop and reversal feature in your Kia Carnival. The power sliding door feature is designed to enhance accessibility and ease of use, but it’s important to understand its functions and limitations to ensure safe and reliable operation.
PS788	2025-10-01. Other. PITSTOP: TECHNICAL OPERATIONS: FUEL FILLER DOOR ACTUATOR REPLACEMENT - This Pitstop provides information regarding the replacement of the fuel filler door actuator and wiring harness on 2022-2024MY Carnival (KA4) vehicles. When replacing a faulty fuel filler door actuator, ensure to order the corresponding replacement part number (shown below) for the applicable vehicle production date. Selecting the incorrect part may result in a vehicle “comeback” with a customer complaint of the driver’s side sliding door not operating with the power feature; however, the door can still be operated manually.