Fellas, thought I'd pass on some info. I found the issue with my wife's Burb. Front LH hub assembly gone bad. The replacement was a heckuva lot easier than I had originally anticipated (I've got pics if anyone is interested). I did however encounter a problem after the install. The "service traction control" and "abs" indicators are now showing. I disconnected the negative battery cable in the hopes that a reset/relearn would take place....no luck. I checked the sensor's connection from the hub assembly and it appears to be firmly connected. Any ideas or advice? Thanks in advance.

 

The "service stabilitrak", "service traction control", and "abs" issue has been resolved. I connected the old hub assembly speed/abs sensor back up to harness and notification disappeared. My local O'RAP manager has ordered a new sensor(free of charge) to replace the one on the new hub assembly. Worst case scenario is having to put the "old" speed/abs sensor on the new hub.

 

The issue with the service stabilitrak, traction control and ABS indicators has finally been resolved. I put a new wheel/abs sensor in this afternoon and still had warnings popping up on dash display. I hooked the old one back up and it removed the warnings. I figured I would just put the old sensor on the new hub and all would be well. As I removed the old sensor I noticed there was no oval shaped washer like the new one had. So I simply removed the washer from the new sensor and put back together without washer. NO MORE WARNING LIGHT>>>SERVICE STABILITRAK>>>>SERVICE TRACTION CONTROL>>>>>AND NO MORE>>>>ABS LIGHTS ON. Can someone with some expertise in this area please explain why a washer would cause that?