If this just started after the brakes were replaced then the likely thing is a wheel speed sensor was left unplugged. The AWD system is disabled if the ABS and traction control do not know how fast each tire is spinning.
So we need to start with scanning for ABS codes as that will tell us quickly what the issue could be.
Here are a couple guides that will help with this issue if I am correct:
If this is a wheel speed circuit issue then here is a guide that will help with replacing or reinstalling it:
However, let's start with getting codes and go from there because that will tell us if the speed sensor circuit it open. Which would indicate the connector is unplugged.
Otherwise we have another system that is causing the AWD to be disabled.
Saturday, July 31st, 2021 AT 10:03 AM