Service bulletin B21100A
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 | 10203504 |
| Published by NHTSA | 2021-11-16 |
| Manufacturer's number | B21100A |
| Manufacturer's date | 2021-11-11 |
| NHTSA component | AIR BAGS; SEATS |
NHTSA's summary
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.
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, Seats
Trouble codes named
U3000
| ACURA ILX | 2020, 2021 |
|---|---|
| ACURA MDX | 2020 |
| ACURA NSX | 2020, 2021 |
| ACURA RDX | 2020, 2021 |
| ACURA RLX | 2020 |
| ACURA TLX | 2020, 2021 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 2026251 | 2026-05-21. Seats And Restraints |
|---|---|
| 26V332000 | 2026-05-21. AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER |
| 2024059 | 2024-02-01. Airbag |
| 24V064000 | 2024-02-01. AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION:FRONT PASSENGER |
| 2023127 | 2023-03-09. 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.
| 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." |
|---|---|
| BTI&03082022902 | 2022-03-15. Service bulletin. Dealer Message -American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| BTI&01032022901 | 2022-01-12. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| BTI&12152021905 | 2021-12-22. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| BTI&10252021901 | 2021-11-03. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| 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. |
| BTI&09102021901 | 2021-09-16. Service bulletin. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2020-2021 RDXs with a client complaint of the center console lid (armrest) not latching/staying closed intermittently or at all times. To better understand the cause of this condition, AHM would like to collect specific information from the vehicle prior to you attempting a repair of any kind. |
| B20-022 | 2020-04-16. Service bulletin. 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. |
| B20-004 | 2020-01-23. Service bulletin. Service Bulletin - When the front passenger seat is occupied, and the vehicle is turning, a tick or click is heard. There is too much clearance in the front passenger lower seat frame around the area of the seat weight sensor bracket. |