Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › 2014 Mustang V6 Battery Drain Issues › 2014 Mustang V6 Battery Drain Issues September 5, 2019 at 7:00 pm #894432 Dave TidmanParticipant The first thing I would do is a full scan of the car (all the modules) and correct any issues found there. If there are no issues found in the scan, you likely need to do a parasitic drain test.