4X4 Control Module DTC Chart
4X4 CONTROL MODULE DIAGNOSTIC TROUBLE CODE (DTC) LIST
| DTC | Description | Action |
|---|---|---|
| B1317 | Battery Voltage High | See PINPOINT TEST 2: 4X4 CONTROL MODULE BATTERY VOLTAGE IS HIGH OR LOW . |
| B1318 | Battery Voltage Low | CHECK smart junction box (SJB) fuses 11 (10A) and 35 (10A). If the fuses are OK, see PINPOINT TEST 2: 4X4 CONTROL MODULE BATTERY VOLTAGE IS HIGH OR LOW . |
| B1342 | ECU is Defective | CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new 4X4 control module. See 4X4 CONTROL MODULE REMOVAL/INSTALLATION . TEST the system for normal operation. |
| P1635 | Tire/Axle Out of Acceptable Range | See PINPOINT TEST 8: TIRE/AXLE OUT OF ACCEPTABLE RANGE . |
| P1824 | 4WD Clutch Relay Circuit Failure | CHECK SJB fuse 35 (10A). If the fuse is OK, see PINPOINT TEST 6: VEHICLE HAS NO OR INADEQUATE TORQUE AT REAR WHEELS . |
| P1825 | 4WD Clutch Relay Open Circuit | CHECK SJB fuse 20 11 (10A) and 35 (10A). If the fuses are OK, see PINPOINT TEST 6: VEHICLE HAS NO OR INADEQUATE TORQUE AT REAR WHEELS . |
| U0100 | Lost Communication with PCM | See PINPOINT TEST 5: HIGH-SPEED CONTROLLER AREA NETWORK (HS-CAN) COMMUNICATIONS BUS FAULT . |
| U0121 | Lost Communication with Anti-Lock Brake System (ABS) | See PINPOINT TEST 5: HIGH-SPEED CONTROLLER AREA NETWORK (HS-CAN) COMMUNICATIONS BUS FAULT . |
| U0155 | Lost Communication with Instrument Cluster (IC) | See DTC CHART - COMMUNICATIONS NETWORK . |
| U0401 | Invalid Data Received From PCM | See PINPOINT TEST 3: 4X4 CONTROL MODULE RECEIVED NO/INVALID DATA FROM PCM . |
| U0415 | Invalid Data Received From ABS | See PINPOINT TEST 4: 4X4 CONTROL MODULE RECEIVED NO/INVALID DATA FROM ABS MODULE . |
| U2050 | No Application Present | INSTALL a new 4X4 control module. See 4X4 CONTROL MODULE REMOVAL/INSTALLATION . |
| U2051 | One or More Calibration Files Missing/Corrupt | See 4X4 CONTROL MODULE REMOVAL/INSTALLATION . |