I have an 03 Montana and it just started this problem recently. I have C1232 code meaning LF Wheel Speed Circuit Open or Shorted but my troubles are in the right side. The vehicle vibrates when at high speeds (60mph +) and on right turns. If I let off the gas the vibration stops. If I hit a bump in the road the vehicle vibrates. Now, the wheel hubs were replaced two years ago. The lower control arm on the passenger side was replaced last year. The tires are all brand new. I rotated the tires the other day to see if the vibration changed. It didn't. I checked the motor mounts and they didn't look broken. When I grab the tire (jacked up) at 6 and 12, I get no movement and it's solid. But when I grab the wheel at 3 and 9 it has some play. When I removed the tire and looked at the knuckle while I was moving it, I saw some play in the knuckle. Would the outer tie rod end be faulty? Or maybe the inner? I tried feeling the inner through the boot but it didn't move in or out. I read other posts and people are saying to change the cv joint or half shaft. Any ideas?