Affected Component: ELECTRICAL SYSTEM:SOFTWARE

Date Published
SEP 30, 2014
NHTSA TSB #
10120261
TSB Document
Summary
VOLKSWAGEN DEALERSHIP COMMUNICATION (Upcoming UPDATE 23N7 ? TDI Battery Management Software Update): This document informs of an upcomming update which states that the battery can become discharged due to a unique set of circumstances during the CAN bus diagnostic phase, leading to excessive parasitic draw and a discharged battery while the vehicle is parked. The corrective action for this issue was a SVM software update