Toyota C-HR 2018–2019 — technical service bulletin
Bulletin T-SB-0048-26 · NHTSA communication 11037194 · issued Aug 13, 2026
Technical service bulletin
communication type
Power Train
component
2018–2019
model years
2
vehicle entries
Official summary
Some 2018 – 2019 model year C-HR vehicles may exhibit a grinding and/or whining noise from the transaxle while accelerating from 15 – 30 mph and/or decelerating from 30 – 15 mph. An updated transaxle is available when the specified noise and serial number requirements are met.
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.