Subject: 2007 Model Year Hybrid Highlander (approx 13,100) SSC F0P
Background:
This vehicle may not be able to pass certain state Emission testing requirements due to incomplete readiness of the required Air Fuel (A/F) sensor monitor. Also see Tech Service Bulletin 0042-15.
Remedy:
Authorized Toyota Dealers are requested to update the engine control software logic to help prevent this condition from occurring.
Owner Notification Mailing Date:
Toyota has completed remedy preparations and will begin to notify owners in late August 2015.