Toyota Tundra 2022 — technical service bulletin
Bulletin T-TT-0718-22 · NHTSA communication 10230386 · issued Dec 22, 2022
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
2
vehicle entries
Official summary
TT: Some 22MY Tundra/HV vehicles may experience a MIL ON w/DTC(s) P017400, P043000. Other symptoms of this issue include poor acceleration. A lean condition may cause damage to the internal catalyst in the catalytic converter.
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.