All versions of Rocksmith 2014 and Rocksmith support bass guitar, except the very original release. However, even with that original copy, you can download bass compatibility through the in-game store for $9.99.
The power steering pressure switch is a device that stabilizes the idle speed of a car while the steering wheel is on full lock, either to the right or left. When the system exceeds power steering load limits, the switch sends a signal to the engine control module to compensate. Keep Learning.
Navigate to the SCP Toolkit website. SCP Toolkit provides a PC-friendly interface to which your PS3 controller can connect, which will in turn allow you to use your PS3 controller with PC game services like Steam. Click the ScpToolkit_Setup.exe link. It's the first link beneath the Downloads heading on this page.