FixVault

Four Wheel Drive (4WD) Systems DTCS

Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. REFER to: Diagnostic Methods .

DTC Description Action
C0090:16 4WD/AWD Power Transfer Unit Actuator Circuit Current Below Threshold: Circuit Voltage Below Threshold GO to Pinpoint Test A
C0090:18 4WD/AWD Transfer Case Unit Actuator: Current Below Threshold GO to Pinpoint Test A
C0090:19 4WD/AWD Power Transfer Unit Actuator: Circuit Current Above Threshold GO to Pinpoint Test A
C0090:71 4WD/AWD Transfer Case Unit Actuator: Actuator Stuck GO to Pinpoint Test A
C0091:17 4WD/AWD Power Transfer Unit Position Sensor "A": Circuit Voltage Above Threshold GO to Pinpoint Test B
C0091:32 4WD/AWD Power Transfer Unit Position Sensor "A": Signal Low Time Minimum GO to Pinpoint Test B
C0091:33 4WD/AWD Power Transfer Unit Position Sensor "A": Signal Low Time Maximum GO to Pinpoint Test B
C0091:38 4WD/AWD Power Transfer Unit Position Sensor "A": Signal Frequency Incorrect GO to Pinpoint Test B
C0091:92 4WD/AWD Power Transfer Unit Position Sensor "A": Performance OR Incorrect Operation GO to Pinpoint Test B
C0092:17 4WD/AWD Power Transfer Unit Position Sensor "B": Circuit Voltage Above Threshold GO to Pinpoint Test C
C0092:32 4WD/AWD Power Transfer Unit Position Sensor "B": Signal Low Time < Minimum GO to Pinpoint Test C
C0092:33 4WD/AWD Power Transfer Unit Position Sensor "B": Signal Low Time > Maximum GO to Pinpoint Test C
C0092:38 4WD/AWD Power Transfer Unit Position Sensor "B": Signal Frequency Incorrect GO to Pinpoint Test C
C0092:92 4WD/AWD Power Transfer Unit Position Sensor "B": Performance or Incorrect Operation GO to Pinpoint Test AA
C0093:16 4WD/AWD Power Transfer Unit Temperature Sensor: Circuit Voltage Below Threshold GO to Pinpoint Test D
C0093:17 4WD/AWD Power Transfer Unit Temperature Sensor: Circuit Voltage above Threshold GO to Pinpoint Test D
C0093:92 4WD/AWD Power Transfer Unit Temperature Sensor: Performance or incorrect Operation. GO to Pinpoint Test D
C0095:07 4WD/AWD Rear Differential Unit Actuator "A": Mechanical Failures GO to Pinpoint Test O
C0095:18 4WD/AWD Rear Differential Unit Actuator "A": Circuit Current Below Threshold GO to Pinpoint Test O
C0095:19 4WD/AWD Rear Differential Unit Actuator "A": Circuit Current above threshold GO to Pinpoint Test O
C0095:44 4WD/AWD Rear Differential Unit Actuator "A"Data Memory Failure: Data Memory Failure GO to Pinpoint Test AB
C0095:71 4WD/AWD Rear Differential Unit Actuator "A": Actuator Stuck GO to Pinpoint Test O
C0095:92 4WD/AWD Rear Differential Unit Actuator "A": Performance or Incorrect Operation GO to Pinpoint Test O
C0095:99 4WD/AWD Rear Differential Unit Actuator "A": Exceeded Learning Limit GO to Pinpoint Test O
C0096:54 4WD/AWD Rear Differential Unit Actuator "A" Data: Missing Calibration GO to Pinpoint Test AC
C0099:14 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "A": Circuit Short To Ground Or Open GO to Pinpoint Test M
C0099:16 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "A": Circuit Voltage Below Threshold GO to Pinpoint Test M
C0099:17 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "A": Circuit Voltage Above Threshold GO to Pinpoint Test M
C009A:14 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "B":: Circuit Short To Ground or Open GO to Pinpoint Test M
C009A:16 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "B":: Circuit Voltage Below Threshold GO to Pinpoint Test M
C009A:17 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "B":: Circuit Voltage Above Threshold GO to Pinpoint Test M
C009B:14 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "C": Circuit Short To Ground Or Open GO to Pinpoint Test M
C009B:16 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "C": Circuit Voltage Below Threshold GO to Pinpoint Test M
C009B:17 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor "C": Circuit Voltage Above Threshold GO to Pinpoint Test M
C009C:00 4WD/AWD Rear Differential Unit Actuator "A" Position Sensor Correlation: No Sub Type Information GO to Pinpoint Test M
C00A1:08 Driveline Control Module: Bus Signal / Message Failure GO to Pinpoint Test L
C00A1:46 Driveline Control Module: Calibration / Parameter Memory Failure GO to Pinpoint Test AD
C00A1:57 Driveline Control Module: Invalid / Incompatible Software Component GO to Pinpoint Test AE
C00A1:F1 Driveline Control Module: Manufacturer Defined GO to Pinpoint Test AF
C00A2:01 Driveline Control Module Power Transfer Unit Control Circuit Driver: General Electrical Failure GO to Pinpoint Test L
C00A2:19 Driveline Control Module Power Transfer Unit Control Circuit Driver: Circuit Current Above Threshold GO to Pinpoint Test A
C00A2:1C Driveline Control Module Power Transfer Unit Control circuit driver: Circuit Voltage Out of Range GO to Pinpoint Test B
C00A2:49 Driveline Control Module Power Transfer Unit Control Circuit Driver: Internal Electronic Failure GO to Pinpoint Test AG
C00A2:4B Driveline Control Module Power Transfer Unit Control Circuit Driver: Over Temperature GO to Pinpoint Test AI
C00A2:96 Driveline Control Module Power Transfer Unit Control Circuit Driver: Component Internal Failure GO to Pinpoint Test AH
C00A3:01 Driveline Control Module Rear Differential Unit "A" Control Circuit Driver: General electrical failure GO to Pinpoint Test AJ
C00A3:1C Driveline Control Module Power Transfer Unit Control circuit driver: Circuit Voltage Out of Range GO to Pinpoint Test P
C00A3:49 Driveline Control Module Rear Differential Unit "A" Control Circuit Driver: Internal electronic failure GO to Pinpoint Test AK
C00A3:4B Driveline Control Module Rear Differential Unit "A" Control Circuit Driver: Over temperature GO to Pinpoint Test AL
C00A3:96 Driveline Control Module Rear Differential Unit "A" Control Circuit Driver: Component Internal Failure GO to Pinpoint Test AM
C05F0:00 Rear Drive Shaft Speed Sensor Circuit Low: No Sub Type Information GO to Pinpoint Test N
C05F1:00 Rear Drive Shaft Speed Sensor Circuit High: No Sub Type Information GO to Pinpoint Test N
C05F3:00 Rear Drive Shaft Speed Sensor Circuit: No Sub Type Information GO to Pinpoint Test N
C05F4:00 Rear Drive Shaft Speed Sensor Circuit Range/Performance: No Sub Type Information GO to Pinpoint Test N
P0603:00 Internal Control Module Keep Alive Memory (KAM) Error: No Sub Type Information GO to Pinpoint Test E
P0604:00 Internal Control Module Random Access Memory (RAM) Error: No Sub Type Information GO to Pinpoint Test Q
P0605:00 Internal Control Module Read Only Memory (ROM) Error: No Sub Type Information GO to Pinpoint Test Q
P0607:00 Control Module Performance: No Sub Type Information GO to Pinpoint Test Q
P060A:00 Internal Control Module Monitoring Processor Performance: No Sub Type Information GO to Pinpoint Test E
P060B:00 Internal Control Module A/D Processing Performance: No Sub Type Information GO to Pinpoint Test R
P060C:00 Internal Control Module Main Processor Performance: No Sub Type Information GO to Pinpoint Test E
P0630:00 VIN Not Programmed or Incompatible - ECM/PCM: No Sub Type Information GO to Pinpoint Test S
P064F:00 Unauthorized Software/Calibration Detected: No Sub Type Information GO to Pinpoint Test T
P068A:00 ECM/PCM Power Relay De-Energized - Too Early: No Sub Type Information GO to Pinpoint Test U
P1001:00 KOER Not Able to Complete, KOER Aborted: No Sub Type Information GO to Pinpoint Test V
P1397:00 System Voltage Out Of Self Test Range: General Electrical Failure GO to Pinpoint Test E
P1501:00 Vehicle Speed Sensor Out Of Self Test Range: No Sub Type Information GO to Pinpoint Test W
P160A:00 Control Module Vehicle Options Reconfiguration Error: No Sub Type Information GO to Pinpoint Test X
P1674:00 Control Module Software Corrupted: No Sub Type Information GO to Pinpoint Test Y
P1705:00 Transmission Range Circuit Not Indicating Park/Neutral During Self Test: No Sub Type Information GO to Pinpoint Test Z
U0100:00 Lost Communication With ECM/PCM "A": No Sub Type Information GO to Pinpoint Test AU
U0101:00 Lost Communication With TCM "A": No Sub Type Information GO to Pinpoint Test AV
U0121:00 Lost Communication With Anti-Lock Brake System (ABS) Control Module "A": No Sub Type Information GO to Pinpoint Test K
U0126:00 Lost Communication With Steering Angle Sensor Module: No Sub Type Information GO to Pinpoint Test F
U0137:00 Lost Communication With Trailer Brake Control Module: No Sub Type Information GO to Pinpoint Test AX
U0138:00 Lost Communication With All Terrain Control Module (ATCM): No Sub Type Information GO to Pinpoint Test AW
U0140:00 Lost Communication With Body Control Module: No Sub Type Information GO to Pinpoint Test G
U0146:00 Lost Communication With Serial Data Gateway "A": GO to Pinpoint Test H
U0155:00 Lost Communication With Instrument Panel Cluster (IPC) Control Module: No Sub Type Information GO to Pinpoint Test J
U0164:00 Lost Communication with HVAC Control Module: GO to Pinpoint Test I
U0212:00 Lost Communication With Steering Column Control Module: No Sub Type Information GO to Pinpoint Test F
U0415:00 Invalid Data Received from Anti-Lock Brake System (ABS) Control Module "A": No Sub Type Information GO to Pinpoint Test AN
U0422:00 Invalid Data Received From Body Control Module: No Sub Type Information GO to Pinpoint Test AO
U0423:00 Invalid Data Received from Instrument Panel Cluster Control Module: No Sub Type Information GO to Pinpoint Test AP
U0428:00 Invalid Data Received From Steering Angle Sensor Module: No Sub Type Information GO to Pinpoint Test AQ
U2100:00 Initial Configuration Not Complete: No Sub Type Information GO to Pinpoint Test AR
U2101:00 Control Module Configuration Incompatible: No Sub Type Information GO to Pinpoint Test AS
U2200:00 Control Module Configuration Memory Corrupt: No Sub Type Information GO to Pinpoint Test AT