Affected Component: ELECTRICAL SYSTEM

Date Published
DEC 10, 2019
NHTSA TSB #
10169124
TSB Document
Summary
This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL). 2017-2018 A3 Cabriolet