Transfer Case Control Module (TCCM)
TRANSFER CASE CONTROL MODULE (TCCM) DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| 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 | Battery Voltage Low: No Sub Type Information | Go to PINPOINT TEST B . |
| P0563:00 | Battery Voltage High: No Sub Type Information | Go to PINPOINT TEST B . |
| P1812:00 | 4-Wheel Drive Mode Select Circuit Failure: No Sub Type Information | Go to PINPOINT TEST D . |
| P1815:00 | 4-Wheel Drive Mode Select Short Circuit to Ground: No Sub Type Information | Go to PINPOINT TEST D . |
| P1825:00 | 4-Wheel Drive Clutch Relay Open Circuit: No Sub Type Information | Go to PINPOINT TEST E . |
| P1826:00 | 4-Wheel Drive Low Clutch Relay Circuit To Battery: No Sub Type Information | Go to PINPOINT TEST E . |
| P1827:00 | 4-Wheel Drive Low Clutch Relay Circuit To Ground: No Sub Type Information | Go to PINPOINT TEST E . |
| 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. |
| U0100: 00 | Lost Communication with ECM/PCM "A": No Sub Type Information | Refer to MODULE COMMUNICATIONS NETWORK to diagnose the lost communication with the PCM. |
| U0101: 00 | Lost Communication with TCM: No Sub Type Information | Refer to MODULE COMMUNICATIONS NETWORK to diagnose the 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 the 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 . Refer to 4X4 CONTROL MODULE in this information. REPEAT the self-test. |
| 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 4X4 CONTROL MODULE in this information. REPEAT the self-test. |
| 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 4X4 CONTROL MODULE in this information. REPEAT the self-test. |
| U300D:11 | Ignition Input On/Start: Short Circuit To Ground | Go to PINPOINT TEST A . |