Shifting issues due to internal problems in high mileage automatic transmissions can be difficult to resolve without transmission replacement.
Car Problem Reports
Volkswagen Cabrio High Mileage Automatic Transmissions May Have Shifting Problems
Volkswagen Cabrio Problem
Average Mileage: 128,333 mi (110,000 mi - 160,000 mi)
Visitor, 1999 Volkswagen Cabrio, 160,000 mi
rpms go up to 4000 before shifting
RPMs go to 30, only at 20 mph