Transfer Case Control Module (TCCM)
TRANSFER CASE CONTROL MODULE (TCCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| C1729:00 | Transfer Case Unable To Transition Between 4H and 4L: No Sub Type Information | Go to PINPOINT TEST P . |
| C1979:11 | IWE Solenoid Circuit Failure: Circuit Short To Ground | Go to PINPOINT TEST N . |
| C1979:12 | IWE Solenoid Circuit Failure: Circuit Short To Battery | Go to PINPOINT TEST N . |
| C1979:13 | IWE Solenoid Circuit Failure: Circuit Open | Go to PINPOINT TEST N . |
| P0562:00 | System Voltage Low: No Sub Type Information | Go to PINPOINT TEST M . |
| P0563:00 | System Voltage High: No Sub Type Information | Go to PINPOINT TEST M . |
| P1812:00 | 4-Wheel Drive Mode Select Circuit Failure: No Sub Type Information | Go to PINPOINT TEST X . |
| P1815:00 | 4-Wheel Drive Mode Select Short To Ground: 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 Q . |
| P1826:00 | 4-Wheel Drive Low Clutch Relay Circuit To Battery: No Sub Type Information | Go to PINPOINT TEST Q . |
| P1827:00 | 4-Wheel Drive Low Clutch Relay Circuit To Ground: No Sub Type Information | Go to PINPOINT TEST Q . |
| P1839:00 | Transfer Case Shift Motor Open Circuit: No Sub Type Information | Go to PINPOINT TEST X . |
| P1840:00 | Transfer Case Shift Motor Short Circuit To Battery: No Sub Type Information | Go to PINPOINT TEST X . |
| P1841:00 | Transfer Case Shift Motor Short Circuit To Ground: No Sub Type Information | Go to PINPOINT TEST X . |
| P1849:00 | Transfer Case Contact Plate 'A' Short Circuit To Ground: No Sub Type Information | Go to PINPOINT TEST X . |
| P1853:00 | Transfer Case Contact Plate 'B' Short Circuit To Ground: No Sub Type Information | Go to PINPOINT TEST X . |
| P1857:00 | Transfer Case Contact Plate 'C' Short Circuit To Ground: No Sub Type Information | Go to PINPOINT TEST X . |
| P1861:00 | Transfer Case Contact Plate 'D' Short Circuit To Ground: No Sub Type Information | Go to PINPOINT TEST X . |
| P1867:00 | Transfer Case Contact Plate General Circuit Failure: No Sub Type Information | Go to PINPOINT TEST X . |
| P1886:00 | 4X4 Initialization Failure: No Sub Type Information | CLEAR the DTC. REPEAT the self-test. If the DTC still reports, CONFIRM the Transfer Case Control Module (TCCM) part number is correct for the vehicle. |
| P1891:00 | Transfer Case Contact Plate Ground Return Open Circuit: No Sub Type Information | Go to PINPOINT TEST X . |
| U0100:00 | Lost Communication With ECM/PCM "A": No Sub Type Information | Refer to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the PCM. |
| U0101:00 | Lost Communication With TCM: No Sub Type Information | Refer to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the Transmission Control Module (TCM). |
| U0121:00 | Lost Communication With Anti-Lock Brake System (ABS) Control Module: No Sub Type Information | Refer to MODULE COMMUNICATIONS NETWORK to diagnose lost communication with the ABS module. |
| U0418:00 | Invalid Data Received From Brake System Control Module: No Sub Type Information | Refer to ANTI-LOCK BRAKE SYSTEM - VEHICLE DYNAMIC SYSTEM to diagnose the wheel speed sensor concern. |
| U3000:04 | Control Module: System Internal Failure | CLEAR the DTC. REPEAT the self-test. If DTC U3000:04 is retrieved, INSTALL a new 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 . |
| 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 . |
| U3000:49 | Control Module: Internal Electronic Failure | CLEAR the DTC. REPEAT the self-test. If DTC U3000:49 is retrieved, INSTALL a new TCCM . |
| U300D:11 | Ignition Input On/Start: Circuit Short To Ground | Go to PINPOINT TEST L . |