in dash brake indicators on on 1994 Mazda B4000

Both the ABS light and the BRAKE warning lights are illuminated on the dash on my truck, with no apparent reason, and no other symptoms (brakes work fine). Rotors, calipers etc. all replaced 6 months ago, all in good shape. Why are these lights still on???

Asked by for the 1994 Mazda B4000
You have a problem with the ABS part of your brake system. Anti-lock part of your brake system will not operate. The conventional brake system is unaffected, though. Best to have a professional investigate the problem.
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I have a 2000 Mazda B400 4x4 and I was having the same issues over and over. I am not saying this is what you have wrong but it turned out to be my Brake module. I brought it to 13 different brake companies and everyone said it is rare for the brake module to go. I had replaced the module and have no more problems. Just a thought.