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  1. CM (2007-2012) Santa Fe
    Hi all, we have just bought a 2012 Santa Fe CRDI which I have run my diagnostic scanner on and it has come back with the fault code 'U0001 4wd module'. After researching I know the U0001 refers to a communication fault between the 4wd module and ecu but I have no warning lights on the dash...
  2. CM (2007-2012) Santa Fe
    2008 Santa Fe Limited 3.3l AWD with crank no start. Have fuel, spark, compression - suspect timing is off. Bought a Launch X431 bi-directional scanner. It shows codes that my older cheap reader does not. 3 codes set by the ABS/ESC system - all to do with bad communications: C1616...
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