Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Date Published
AUG 20, 2015
NHTSA TSB #
10132539
TSB Document
Summary
Background The subject vehicles may be unable to pass certain state emission testing requirements due to incomplete readiness of the required Air Fuel (A/F) sensor monitor. Toyota has developed new engine control software logic to help prevent this condition from occurring.