So, the only way to replace a wheel sensor is by replacing a wheel hub?
correct.
but check the wires and the plug connections before you just start buying new hubs, thats been a fix for a few of us. chafed wires, broken wires, cracks in the wires. that sort of thing.
98 Buick Regal GS, F body brakes, Caddy STS wheels, tinted tails L36 bottom end, lightly ported heads, 1.95 roller rockers, headers, gen 5 N* 3.0 pulley, FSIC, 42 lb injectors, a BrandonHall rebuilt trans, DHP tuned and AEM water/Meth injection https://goo.gl/gpV5kW