Purchase a 2009 HHRLT just replace the front wheel bearing speed sensors disc brakes rear wheel bearings speed sensors drum brakes. Speed sensor is not being recognized. Brake light is on as is ABS and traction control lights. Any suggestions on how to address this issue. Thank you.

 

Ensure the ABS wires are connected firmly and clipped correctly to the bracket by the steering knuckles . Look for loose pins and corrosion

 

How and why did you replace only the speed sensors?

 

I think he's referring to wheel speed sensors.
What codes you get now?

 

It is a whole bunch easier and cheaper to replace the entire hub.