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Home >> Lincoln >> 2020 >> Navigator Base, RWD >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> DTC Index (Exterior Trim - Module Communications Network) >> Four Wheel Drive System DTCS >> 1-Speed Torque-On-Demand
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1-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 Four-Wheel Drive (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 X
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
U0100:00 Lost Communication With ECM/PCM "A": No Sub Type Information GO to Pinpoint Test G
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 K
U0138:00 Lost Communication with All Terrain Control Module GO to Pinpoint Test I
U0140:00 Lost Communication With Body Control Module (BCM): No Sub Type Information GO to Pinpoint Test J
U0418:00 Invalid Data Received From Brake System Control Module: No Sub Type Information GO to Pinpoint Test N
U0439:00 Invalid Data Received From All Terrain Control Module: No Sub Type Information GO to Pinpoint Test O
U2300:54 Central Configuration: Missing Calibration GO to Pinpoint Test P
U2300:55 Central Configuration: Not Configured GO to Pinpoint Test Q
U2300:56 Central Configuration: Invalid / Incompatible Configuration GO to Pinpoint Test R
U2300:64 Central Configuration: Signal Plausibility Failure GO to Pinpoint Test S
U3000:04 Control Module: System Internal Failure GO to Pinpoint Test T
U3000:46 Control Module: Calibration / Parameter Memory Failure GO to Pinpoint Test U
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 L
U3000:49 Control Module: Internal Electronic Failure GO to Pinpoint Test V
U2009:9E Rotary Encoder: Stuck On GO to Pinpoint Test V
U2002:9E Switch: Stuck On GO to Pinpoint Test W