Trailer Axle Configuration
It allows you to select between Solid Axle, Trailing Arm with Torsion Spring and Trailing Arm with Bushing.
The parameter variable pvs_trailer_axle_configuration is used to select configuration. Where, '0', '1' and '2' are mapped to Solid Axle, Trailing Arm with Torsion Spring and Trailing Arm with Bushing respectively.