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I’m looking at a friends 2015 Transit Connect (2.5L) for current left rear and right front wheel speed faults. Unplugged the rf connector reads 12v, plugged in it’s sitting at 1v with no fluctuation when spinning the wheel. Testing the left front (known good) it reads 12.1v plugged in and fluctuates between 12.1-12.3 spinning the wheel. Given the location of the ABS module it’s very difficult to access. My question is could this be caused by a bad ABS module, or is it likely just wiring chafing? And how would you go about properly diagnosing this? Thanks for the help, I’m still newer to this so any pointers help a ton!
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