I have a problem last week with my 2006 cts sport package. It says repair stability service and abs .usuly it was erasing by itself but now it wont . I hit a big hole last week and my steering was shaking alothe.But i put the wheels at the rear and it wasnt shaking anymore.can this be the cause....

 

k9will here sounds like you have bent a wheel from the impact of the chug hole or a belt in the tire could have shifted because of the impact of the chug hole. take wheels that were on the front off and inspect them you should be able to see the bend or belt problem ar take your car to a tire dealer and tell them what happened and they will figure it out for you THANKS