A vehicle body module connecting joint for connecting a first body module to a second body module. Elongate profiles are arranged along facing edges of the first and second body modules, respectively. The profiles are clamped together by locking wedges arranged parallel to the profiles and connected by fastening means extending between facing profiles on the first and second body modules. The connecting joint includes a first profile arranged along a side edge of a first body module along a surface remote from the connecting joint and a second profile arranged parallel to and in form-fitting contact with the first profile along facing side surfaces. The assembled first and second profiles forming a single first dovetail section along a surface facing the connecting joint.