DTC Chart: Transfer Case Control Module (TCCM)
WARNING: This page is about a different car, the 2016 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
| DTC | Description | Action |
|---|---|---|
| C1979:00 | IWE Solenoid Circuit Failure: No Sub Type Information | GO to Pinpoint Test C |
| C1979:11 | IWE Solenoid Circuit Failure: Circuit Short To Ground | GO to Pinpoint Test C |
| C1979:12 | IWE Solenoid Circuit Failure: Circuit Short To Battery | GO to Pinpoint Test C |
| C1979:13 | IWE Solenoid Circuit Failure: Circuit Open | GO to Pinpoint Test C |
| P0562:00 | System Voltage Low: No Sub Type Information | GO to Pinpoint Test L |
| P0563:00 | System Voltage High: No Sub Type Information | GO to Pinpoint Test L |
| P1812:00 | 4-Wheel Drive Mode Select Circuit Failure: No Sub Type Information | GO to Pinpoint Test A |
| P1815:00 | 4-Wheel Drive Mode Select Short To Ground: No Sub Type Information | GO to Pinpoint Test A |
| 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 A |
| P1840:00 | Transfer Case Shift Motor Short Circuit To Battery: No Sub Type Information | GO to Pinpoint Test A |
| P1841:00 | Transfer Case Shift Motor Short Circuit To Ground: No Sub Type Information | GO to Pinpoint Test A |
| P184A:00 | Transfer Case Unable To Transition Between 4x2 and 4x4 Mode: No Sub Type Information | GO to Pinpoint Test A |
| P184B:00 | Transfer Case Unable To Transition Between 4x4 High and 4x4 Low Range: No Sub Type Information | GO to Pinpoint Test B |
| P1853:00 | Transfer Case Contact Plate 'B' Short Circuit To Ground: No Sub Type Information | GO to Pinpoint Test A |
| P1857:00 | Transfer Case Contact Plate 'C' Short Circuit To Ground: No Sub Type Information | GO to Pinpoint Test A |
| P185A:00 | Differential Lock-Up Input Switch Circuit High: No Sub Type Information | REFER to: Electronic Locking Differential (ELD) . |
| P185B:00 | Differential Lock-Up Indicator Circuit Low: No Sub Type Information | REFER to: Electronic Locking Differential (ELD) . |
| P185C:00 | Differential Lock-Up Indicator Circuit High: No Sub Type Information | REFER to: Electronic Locking Differential (ELD) . |
| P185D:00 | Differential Lock-Up Control Circuit Performance: No Sub Type Information | REFER to: Electronic Locking Differential (ELD) . |
| P1861:00 | Transfer Case Contact Plate 'D' Short Circuit To Ground: No Sub Type Information | GO to Pinpoint Test A |
| P1867:00 | Transfer Case Contact Plate General Circuit Failure: No Sub Type Information | GO to Pinpoint Test A |
| P187C:00 | Differential Lock-Up Control Circuit/Open: No Sub Type Information | REFER to: Electronic Locking Differential (ELD) . |
| P187D:00 | Differential Lock-Up Control Circuit Low: No Sub Type Information | REFER to: Electronic Locking Differential (ELD) . |
| P187E:00 | Differential Lock-Up Control Circuit High: No Sub Type Information | To diagnose the wheel speed sensor concern, REFER to: Anti-Lock Brake System (ABS) and Stability Control . |
| P1891:00 | Transfer Case Contact Plate Ground Return Open Circuit: No Sub Type Information | GO to Pinpoint Test A |
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | GO to Pinpoint Test I |
| U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | GO to Pinpoint Test J |
| U0140:00 | Lost Communication With Body Control Module (BCM): No Sub Type Information | GO to Pinpoint Test K |
| U0418:00 | Invalid Data Received From Brake System Control Module: No Sub Type Information | To diagnose the wheel speed sensor concern, REFER to: Anti-Lock Brake System (ABS) and Stability Control . |
| U2300:54 | Central Configuration: Missing Calibration | This DTC can set if one or more expected configuration data identifications is missing (gearbox type, axle ratio, tire circumference) from the BCM. CARRY OUT a self-test of the BCM. If BCM DTCs are present, REFER to: Body Control Module (BCM) . If no BCM DTCs are present, CLEAR the DTCs. CARRY OUT a TCCM self-test. If U2300:54 returns, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U2300:55 | Central Configuration: Not Configured | This DTC can set upon TCCM power up only until all expected configuration data parameters (gearbox type, axle ratio, tire circumference) are received from the BCM. CARRY OUT a self-test of the BCM. If BCM DTCs are present, REFER to: Body Control Module (BCM) . If no BCM DTCs are present, CLEAR the DTCs. CARRY OUT TCCM self-test. If U2300:55 returns, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U2300:56 | Central Configuration: Invalid / Incompatible Configuration | This DTC can set if one expected configuration data parameter is out of range (gearbox type, axle ratio, tire circumference) from the BCM. CARRY OUT a self-test of the BCM. If DTCs are present, REFER to: Body Control Module (BCM) . If no DTCs are present, CLEAR the DTCs. CARRY OUT a TCCM self-test. If U2300:56 returns, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U2300:64 | Central Configuration: Signal Plausibility Failure | This DTC can set if the expected axle ratio or tire circumference is out of range from the BCM. CARRY OUT a self-test of the BCM. If BCM DTCs are present, REFER to: Body Control Module (BCM) . If no BCM DTCs are present, CLEAR the DTCs. CARRY OUT a TCCM self-test. If U2300:64 returns, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U3000:04 | Control Module: System Internal Failure | CLEAR the DTC. REPEAT the self-test. If DTC U3000:04 is retrieved, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U3000:41 | Control Module: General Checksum Failure | CLEAR the DTC. REPEAT the self-test. If DTC U3000:41 is retrieved, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U3000:46 | Control Module: Calibration / Parameter Memory Failure | CLEAR the DTC. REPEAT the self-test. If DTC U3000:46 is retrieved, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U3000:49 | Control Module: Internal Electronic Failure | CLEAR the DTC. REPEAT the self-test. If DTC U3000:49 is retrieved, INSTALL a new TCCM. Refer to: Transfer Case Control Module (TCCM) . |
| U300D:11 | Ignition Input On/Start: Circuit Short To Ground | GO to Pinpoint Test A |