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Volkswagen TSB #Dealer Letter-Da
2015 Volkswagen Passat
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- 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
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