Lock-up pressure switch
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Applies only to 4T65EV-GT.
The pressure switch is affected by the transmission line pressure. The control module uses the signal from the pressure switch to check whether the lock-up solenoid is activated when the control module has requested lock-up.
OFF = No lock-up activated
ON = Lock-up activated