Four Wheel Drive (4WD) Control Module Diagnostic Trouble Code (DTC) Index
FOUR WHEEL DRIVE (4WD) CONTROL MODULE DIAGNOSTIC TROUBLE CODE INDEX
| DTC | Description | Source | ACTION |
|---|---|---|---|
| B1342 | ECU is Defective | 4WD Control Module | Clear all DTCs. RETRIEVE the DTCs. If DTC B1342 is still present, install a new 4WD control module. See 4WD CONTROL MODULE REMOVAL / INSTALLATION . Test the system for normal operation. |
| P1804 | 4x4 Indicator Circuit Failure | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| P1806 | 4x4 Indicator Circuit Short to Battery | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| P1808 | 4x4 LOW Indicator Circuit Failure | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| P1810 | 4x4 LOW Indicator Circuit Short to Battery | 4WD Control Module | See PINPOINT TEST 19: 4WD HIGH AND 4WD LOW INDICATOR IS NEVER/ALWAYS ON . |
| All Other DTCs | - | 4WD Control Module | See TRANSFER CASE ELECTRONIC SHIFT ON - BOARD DIAGNOSIS . |