2001 GMC Yukon SLT 8 Cyl 4.80L
ABS and Brake light stay on. seems to be intermittant sometimes. ABS does not seem to be working.
Please give me some possible things to check. TC... Johnstown CO
First step - check the brake master cylinder fluid level and refill as necessary. Next, check the ABS sensors at each wheel position - clean using aerosol brake cleaner. Be sure to check the ABS sensor wires for rubbing or chaffed insulation.