Service bulletin B20-022

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	10173888
Published by NHTSA	2020-04-16
Manufacturer's number	B20-022
Manufacturer's date	2020-04-08
NHTSA component	SEATS

NHTSA's summary

Service Bulletin - The bolt holes for the replacement second row seat frames are not threaded and require special self-tapping bolts to secure the seat cushion and seat-back frame to the seat frame.

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

Seats

Vehicles listed
ACURA MDX	2014, 2015, 2016, 2017, 2018, 2019, 2020
ACURA MDX SPORT HYBRID	2017, 2018, 2019, 2020 (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.

Recalls for the same vehicles and component
2026251	2026-05-21. Seats And Restraints
2018167	2018-04-06. Seats And Restraints
18V221000	2018-04-05. SEATS
2014453	2014-10-15. Seats And Restraints

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
B20-019	2022-07-07. Service bulletin. "Service bulletin - When speeding up, slowing down, stopping, or turning, you hear or feel a noticeable clicking/popping from the driver's and/or front passenger's seat-back. Clients sometimes compare this to someone kicking the back of the seat. This sensation can also happen when adjusting the seat or shifting your weight in it."
B21100A	2021-11-16. Service bulletin. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor.
B21100A	2021-10-28. Service bulletin. ServiceNews Article - There are several possible causes for the SRS DTC U3000-49 (Internal Failure of the SRS Unit) to be stored. If you can duplicate the DTC, the troubleshooting will take you through the step-by-step process in isolating the faulty component. In most situations, the SRS Unit should be last on the list of components to replace. Here is a quick tip for troubleshooting a faulty seat weight sensor.
B20-019	2020-05-28. Service bulletin. Service Bulletin - When speeding up, slowing down, stopping, or turning, you hear or feel a noticeable clicking/popping from the driver's and/or front passenger's seat-back. Clients sometimes compare this to someone kicking the back of the seat. This sensation can also happen when adjusting the seat or shifting your weight in it.
B19-017	2019-11-26. Service bulletin. Service Bulletin - There is a loud buzzing or whining when adjusting the driver's or front passenger's seat forward and backward. The flex cable in the seat adjustment mechanism is not correctly lubricated.
BPaS09172018904	2018-10-15. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2018 MDXs with a client complaint of the 2nd row seats false latching. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS08312018903	2018-09-17. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2018 MDXs with a client complaint of the 2nd row seats false latching. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS08152018904	2018-09-17. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2018 MDXs with a client complaint of the 2nd row seats false latching. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BER18070B	2018-09-04. Service bulletin. Engineering request for investigation - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2018 MDXs with a client complaint of the 2nd row seats false latching. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.
BPaS07312018901	2018-08-20. Service bulletin. Dealer message - American Honda Motor Co., Inc. (AHM) is investigating certain 2014-2018 MDXs with a client complaint of the 2nd row seats false latching. To fully understand the cause of this condition, AHM would like to inspect the vehicle prior to you attempting a repair of any kind.