Toyota Highlander Hybrid 2007 — technical service bulletin
Bulletin T-SB-0042-15 · NHTSA communication 10111412 · issued Jul 6, 2015
Technical service bulletin
communication type
Electrical System
component
2007
model years
1
vehicle entries
Official summary
TSB: Some 2007 model year Highlander HV vehicles may exhibit a condition of oxygen sensor readiness monitors incomplete during state emissions testing. The Hybrid Vehicle (HV) ECU logic has been updated to address this condition.
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.