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Service bulletin A23110A

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)
TypeService bulletin
NHTSA id10245277
Published by NHTSA2023-11-16
Manufacturer's numberA23110A
Manufacturer's date2023-11-03
NHTSA componentPOWER TRAIN

NHTSA's summary

Service News - Some customers have complained of fluid leaking from the rear differential after it has been serviced due to over-torqueing of the drain plugs during servicing.

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

Transmission and driveline

Vehicles listed
HONDA CR-V2018, 2019, 2020, 2021, 2022, 2023, 2024
HONDA HR-V2018, 2019, 2020, 2021, 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
23V5880002023-08-17. POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT
21V9390002021-12-02. POWER TRAIN:DRIVELINE:DRIVESHAFT

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
ATI&042720269032026-04-30. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the passenger side transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&041020269062026-04-22. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the passenger side transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&033120259022025-04-03. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
A21-0472025-03-05. Service bulletin. Service Bulletin - Due to the possibility of early deterioration of the Continuous Variable Transmission (CVT) drive belt, American Honda is extending the warranty coverage on these CVT models to 7 years from the original date of purchase or 150,000 miles, whichever comes first.
ATI&013020259022025-02-05. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&011620259012025-01-25. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&010220259062025-01-25. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&120220249072024-12-12. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&110520249062024-11-14. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.
ATI&102220249092024-11-06. Other. Dealer Message - American Honda Motor Co., Inc. (AHM) is searching for certain 2021 CR-V FHEVs with a customer complaint of an oil leak coming from the transmission/differential oil seal. The leak may also be found during normal service or an oil change. To better understand the cause of this condition, AHM would like to collect specific parts from the vehicle prior to you attempting a repair of any kind.