Hard Shifts and Transmission Slips on Volvo XC90

The 6-speed automatic transmission used in the 2005-2014 Volvo XC90 is known for issues with harsh shifting, especially while the transmission is slightly warmer than normal operating temperature.

This is accompanied by slight transmission slippage, and is common with this transmission in various makes and models.

The transmission software sometimes causes the slipping and harsh shifts, but in other cases the valve body is to blame. Also, since the transmission is sealed for life, the transmission fluid may beak down and cause these issues.

To remedy the situation, the manufacturer of the transmission has issues various software updates, but in some cases a valve body replacement or transmission rebuild is required.