Working on modern Mopars

I have a 13 awd hemi charger. Replaced alternator and water pump so far, 113,000 miles. Were easy to do. Have a wheel speed sensor bad right now. It’s one 10 mm bolt and a wiring plug. Problem is you need a scanner to determine which one is bad. Lol. Auto zone don’t scan for abs lights. So unless I buy a scanner I have to pay somebody to do it. Last time I asked the dealer they wanted 100 bucks to scan it. The wheel sensor is 30 bucks. So I may just buy all four sensors and change them all. Lol..