gimbal calibration won't run

I've had this Mavic Pro for some time now its always treated me well and its never been crashed. Basically I was out on a shoot and one morning, I fired her up, the gimbal tried to calibrate as it usually does but it never finished. Basically the camera just flips around, side-to-side clicking...

So I finally had a significant crash. Flying at night with my led props and crashed into a tree, oops. Replaced the props and all seemed to be good but then noticed I couldn't tilt the gimbal. After doing some checking I suspected the ribbon cable got damaged. Ordered a new one and replaced...