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Brand new member looking for help diagnosing ABS on 2001 Chrysler lhs 3.5. ABS and traction control comes on. resets after igniton cycle, then on dry pavement at random time and speeds Abs motor starts for a couple seconds then throws the ABS and traction control lights. There are no ABS codes with Actron or Auto enginuity. I monitored wheelspeed sensors and found that RF sensor cut s out signicantly sooner than the rest. Replaced sensor and sensor is now very responsive. Monitered wheel speed again and while applying brakes to a gradual stop, lost input from new RF sensor at the same instant Abs motor turned on. I get the impression that the Abs unit is causing lost signal from sensor. Don’t know whats causing pump to activate. One would think that signal loss from sensor would cause this, but sensor responds beautifully except when braking SOMETIMES. Tone wheel is clean and in good condition and all suspension is tight. Any ideas?
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Sorry for not replying. Site seemed to not let me in several times. I replaced wires from sensor to module. Problem still persists. I think we came to the conclusion that it was a bad connector or faulty module. I’ll try to switch out connector before winter. If that doesn’t work, I’ll disable system thanks for help.
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