TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s)...
Toyota technical service bulletin TTT069822 for 2017-2020 Toyota Sienna and 2017-2022 Toyota Highlander.
- Bulletin number
- TTT069822
- Component
- Engine and engine cooling: exhaust system: emission control: catalytic convertor
- Summary
- TT: Some 17-22MY Highlander and 17-20MY Sienna vehicles may experience a MIL ON condition with DTC(s) P042000, and/or P043000. This issue could involve deteriorated catalyst material from the bank 1 or bank 2 catalytic converter.
Owners of these vehicles have filed 266 complaints in the engine category.
Vehicles covered
VIN decoder
See the problems and recalls for an exact car
Buying a used Toyota Sienna?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history