P1866 LINCOLN - Transmission Transfer Case System Concern Servicing Required
- Faulty Transfer Case Shift Motor
- Transfer Case Shift Motor harness is open or shorted
- Transfer Case Shift Motor circuit poor electrical connection
- Engine Light ON (or Service Engine Soon Warning Light)
P1866 Lincoln DescriptionThe Transmission Control Module (TCM) monitors the Transmission Transfer Case System. The TCM sets the OBDII code when the Transmission Transfer Case System is not to factory specifications.
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