Transfer Case - Four Wheel Drive (4WD) Systems DTCS
4X4 CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Source | Action |
|---|---|---|---|
| B1317 | Battery Voltage High | 4X4 control module | GO to PINPOINT TEST B . |
| B1318 | Battery Voltage Low | 4X4 control module | GO to PINPOINT TEST B . |
| B1319 | Driver Door Ajar Circuit Failure | 4X4 control module | GO to PINPOINT TEST I . |
| B1322 | Driver Door Ajar Circuit Short to Ground | 4X4 control module | GO to PINPOINT TEST I . |
| B1342 | ECU is Defective | 4X4 control module | CLEAR the DTCs. REPEAT the 4X4 control module self-test. If DTC B1342 is retrieved, INSTALL a new 4X4 control module. REFER to 4X4 CONTROL MODULE . CLEAR the DTCs. REPEAT the self-test. |
| B1483 | Brake Pedal Input Circuit Failure | 4X4 control module | GO to PINPOINT TEST I . |
| B1485 | Brake Pedal Input Short to Battery | 4X4 control module | GO to PINPOINT TEST I . |
| B1555 | Ignition Run/Start Circuit Failure | 4X4 control module | GO to PINPOINT TEST A . |
| C1728 | Transfer Case Unable to Transition Between 2H and 4H | 4X4 control module | GO to PINPOINT TEST C . |
| C1729 | Transfer Case Unable to Transition Between 4H and 4L | 4X4 control module | GO to PINPOINT TEST D . |
| P1707 | Transfer Case Neutral Indicator Circuit Failure | 4X4 control module | GO to PINPOINT TEST I . |
| P1812 | 4WD Mode Select Circuit Failure | 4X4 control module | GO to PINPOINT TEST C . |
| P1815 | 4WD Mode Select Short Circuit to Ground | 4X4 control module | GO to PINPOINT TEST C . |
| P1816 | Transmission Neutral Safety Switch Circuit Failure | 4X4 control module | GO to PINPOINT TEST D . |
| P1819 | Transmission Neutral Safety Switch Short Circuit to Ground | 4X4 control module | GO to PINPOINT TEST D . |
| P1849 | Transfer Case Contact Plate A Short Circuit to Ground | 4X4 control module | GO to PINPOINT TEST C . |
| P1853 | Transfer Case Contact Plate B Short Circuit to Ground | 4X4 control module | GO to PINPOINT TEST C . |
| P1857 | Transfer Case Contact Plate C Short Circuit to Ground | 4X4 control module | GO to PINPOINT TEST C . |
| P1861 | Transfer Case Contact Plate D Short Circuit to Ground | 4X4 control module | GO to PINPOINT TEST C . |
| P1867 | Transfer Case Contact Plate General Circuit Failure | 4X4 control module | GO to PINPOINT TEST C . |
| P1891 | Transfer Case Contact Plate Ground Return Open Circuit | 4X4 control module | GO to PINPOINT TEST C . |
| U0100 | CAN Communication Bus Fault - Received Error From PCM | 4X4 control module | DIAGNOSE the module communication network. REFER to MODULE COMMUNICATIONS NETWORK article. |
| U2050 | Application Not Present | 4X4 control module | Method 3 programming fault. REFER to MODULE CONFIGURATION SYSTEM article for 4X4 control module programming information. |