Is there a way to test the sensors with an ohm meter? Was told by the tire shop that I need to replace all sensors at around $1200.
Any suggestions?

That is BS that all the sensors are bad, this should be scanned with a abs capable scanner, this will confirm which sensor is bad by comparative wheel speeds, a resistance test may not necessarily pinpoint the problem.

I know that abs is common to go out on these trucks. Just had the abs box rebuilt because abs wasnt working GM wants 950 for a new one but can get these rebuilt. Cost me 250 with a 5 year guarantee. Not sure if that is what your asking

I know that abs is common to go out on these trucks. Just had the abs box rebuilt because abs wasnt working GM wants 950 for a new one but can get these rebuilt. Cost me 250 with a 5 year guarantee. Not sure if that is what your asking

The shop said the sensors were bad at the wheels. Nothing about the box.