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Home >> Lincoln >> 2020 >> Navigator Base, 4WD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> DTC Index (Exterior Trim - Module Communications Network) >> Four Wheel Drive System DTCS >> 2-Speed Torque-On-Demand
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2-Speed Torque-On-Demand

DTC Description Action
C1979:00 IWE Solenoid Circuit Failure: No Sub Type Information This DTC sets when the TCCM detects there is a possible mechanical fault present with the IWE system based on wheel speed message data. When the DTC is present IWE solenoid output shall continue to operate normally. PERFORM the 4WD System Functional Test. GO to Pinpoint Test A
C1979:11 IWE Solenoid Circuit Failure: Circuit Short To Ground GO to Pinpoint Test D
C1979:12 IWE Solenoid Circuit Failure: Circuit Short To Battery GO to Pinpoint Test D
C1979:13 IWE Solenoid Circuit Failure: Circuit Open GO to Pinpoint Test D
P0562:00 System Voltage Low: No Sub Type Information GO to Pinpoint Test C
P0563:00 System Voltage High: No Sub Type Information GO to Pinpoint Test C
P06B8:00 Internal Control Module Non-Volatile Random Access Memory (NVRAM) Error: No Sub Type Information GO to Pinpoint Test V
P1825:00 4-Wheel Drive Clutch Relay Open Circuit: No Sub Type Information GO to Pinpoint Test F
P1826:00 4-Wheel Drive Low Clutch Relay Circuit To Battery: No Sub Type Information GO to Pinpoint Test F
P1827:00 4-Wheel Drive Low Clutch Relay Circuit To Ground: No Sub Type Information GO to Pinpoint Test F
P1839:00 Transfer Case Shift Motor Open Circuit: No Sub Type Information GO to Pinpoint Test G
P1840:00 Transfer Case Shift Motor Short Circuit To Battery: No Sub Type Information GO to Pinpoint Test G
P1841:00 Transfer Case Shift Motor Short Circuit To Ground: No Sub Type Information GO to Pinpoint Test G
P1849:00 Transfer Case Contact Plate 'A' Short Circuit To Ground: No Sub Type Information GO to Pinpoint Test G
P184B:00 Transfer Case Unable To Transition Between 4X4 High and 4X4 Low Range: No Sub Type Information GO to Pinpoint Test G
P1853:00 Transfer Case Contact Plate 'B' Short Circuit To Ground: No Sub Type Information GO to Pinpoint Test G
P1857:00 Transfer Case Contact Plate 'C' Short Circuit To Ground: No Sub Type Information GO to Pinpoint Test G
P1861:00 Transfer Case Contact Plate 'D' Short Circuit To Ground: No Sub Type Information GO to Pinpoint Test G
P1867:00 Transfer Case Contact Plate General Circuit Failure: No Sub Type Information GO to Pinpoint Test G
P1891:00 Transfer Case Contact Plate Ground Return Open Circuit: No Sub Type Information GO to Pinpoint Test G
U0100:00 Lost Communication With ECM/PCM "A": No Sub Type Information GO to Pinpoint Test H
U0101:00 Lost Communication With TCM "A": No Sub Type Information GO to Pinpoint Test H
U0121:00 Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information GO to Pinpoint Test H
U0138:00 Lost Communication with All Terrain Control Module GO to Pinpoint Test H
U0140:00 Lost Communication With Body Control Module (BCM): No Sub Type Information GO to Pinpoint Test W
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module GO to Pinpoint Test H
U0418:00 Invalid Data Received From Brake System Control Module: No Sub Type Information GO to Pinpoint Test J
U0439:00 Invalid Data Received From All Terrain Control Module: No Sub Type Information GO to Pinpoint Test K
U2300:54 Central Configuration: Missing Calibration GO to Pinpoint Test L
U2300:55 Central Configuration: Not Configured GO to Pinpoint Test M
U2300:56 Central Configuration: Invalid / Incompatible Configuration GO to Pinpoint Test N
U2300:64 Central Configuration: Signal Plausibility Failure GO to Pinpoint Test O
U3000:04 Control Module: System Internal Failure GO to Pinpoint Test P
U3000:46 Control Module: Calibration / Parameter Memory Failure GO to Pinpoint Test Q
U3000:49 Control Module: Internal Electronic Failure GO to Pinpoint Test R
U300D:11 Ignition Input On/Start: Circuit Short To Ground GO to Pinpoint Test B
U0140:00 Lost Communication With Body Control Module (BCM): No Sub Type Information GO to Pinpoint Test W
U3000:49 Control Module: Internal Electronic Failure GO to Pinpoint Test S
U2009:9E Rotary Encoder: Stuck On GO to Pinpoint Test T
U2002:9E Switch: Stuck On GO to Pinpoint Test U