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2010 Ford F150 5.4L. Got a new code scanner (BlueDriver) & ran codes for 1st time. Getting 4x4 Control Module Code C1979 IWE Solenoid Circuit Failure: Circuit Open. 4WD appears to be working fine, switches on & off. Any ideas as to the problem indicated by DTC.
07-26-2017, 10:57 PM
