Honda CR-V Hybrid 2021 — technical service bulletin
Bulletin ATI&03112026901 · NHTSA communication 11030073 · issued Mar 11, 2026
Technical service bulletin
communication type
Engine
component
2021
model years
1
vehicle entries
Official summary
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.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.