# 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.

- Type: Service bulletin
- NHTSA id: 10245277
- Published by NHTSA: 2023\-11\-16
- Manufacturer's number: A23110A
- Manufacturer's date: 2023\-11\-03
- NHTSA component: POWER 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245277-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10245277-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Transmission and driveline

## Vehicles listed

- 2018 to 2024 HONDA CR\-V
- 2018 to 2024 HONDA HR\-V

## Recalls for the same vehicles and component

- [23V588000](/recalls/nhtsa/23V588000.md), 2023-08-17: POWER TRAIN:AUTOMATIC TRANSMISSION:INTERNAL:CVT
- [21V939000](/recalls/nhtsa/21V939000.md), 2021-12-02: POWER TRAIN:DRIVELINE:DRIVESHAFT

## Other bulletins for the same vehicles and component

- [ATI\&04272026903](/bulletins/11031754.md), 2026-04-30, Other: POWER TRAIN. 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\&04102026906](/bulletins/11031497.md), 2026-04-22, Other: POWER TRAIN. 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\&03312025902](/bulletins/11016456.md), 2025-04-03, Other: POWER TRAIN. 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\-047](/bulletins/11015013.md), 2025-03-05, Service bulletin: POWER TRAIN. 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\&01302025902](/bulletins/11013754.md), 2025-02-05, Other: POWER TRAIN. 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\&01162025901](/bulletins/11013117.md), 2025-01-25, Other: POWER TRAIN. 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\&01022025906](/bulletins/11013105.md), 2025-01-25, Other: POWER TRAIN. 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\&12022024907](/bulletins/11011790.md), 2024-12-12, Other: POWER TRAIN. 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\&11052024906](/bulletins/11010553.md), 2024-11-14, Other: POWER TRAIN. 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\&10222024909](/bulletins/11010118.md), 2024-11-06, Other: POWER TRAIN. 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.

JSON: [/v1/bulletins/10245277](/v1/bulletins/10245277)

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