Alarm/remote entry problems due to accumulated water in electronic control units on Porsche Boxster

Problem Description and Possible Solution
Accumulated water in electronic control units can lead to various alarm and remote entry problems.
Problem Data
RepairPal Verified
Average mileage: 70,333 (63,000–83,000)
14 model years affected: 1997, 1998, 1999, 2000, more2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
20 people reported this problem
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remote will not open car door.
Boxster S. Alarm intermittently goes off with no apparent reason. Getting double beep when unlocking door with remote and intermittent lock switch light coming on while driving. Problem occurs after a rain shower or after washing the car. No diagnosis yet. Mileage: approximately 41000 miles.
water accumulation, cannot disable the alarm
Roof top , windows , alarm system are not working Immobilizer got water damage air bag light is on but the car start and run good .