Toyota Highlander 2017–2018 — technical service bulletin
Bulletin T-SB-0160-18 · NHTSA communication 10153235 · issued Dec 17, 2018
Technical service bulletin
communication type
Power Train
component
2017–2018
model years
4
vehicle entries
Official summary
TSB: Some 2017 ? 2018 model year Highlander and Sienna vehicles may exhibit a whine noise while driving, a harsh shift, MIL ON, or reduced power. The following Diagnostic Trouble Codes (DTCs) may be present. ? P07457F ? P07757F ? P07957F ? P28077F ? P28167F ? P08BA7F ? P27137F ? P07407E ? P27567F ? P211904 ? P071531 For transaxles within the specified dates that meet the required symptoms, a remanufactured transaxle is available. Follow the Repair Procedure in this bulletin to address this condition.
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.