Originally Posted by Henn28

Same exact problem and symptoms last year….turned out to be the DSC module. Other likely contenders can be a wheel speed sensor failure or, as you pointed out, an alternator.

The primary ground under the hood is down by the ac compressor, on the right side of the motor. It’s below the secondary air pump, if you guys have that over there. I’d check that one first, and after that I’d pull the trunk apart as there a several back there.