C1240
DTC C1240: 4WD Control Module Power Supply Circuit MalfunctionWiring Diagram
DTC Detecting Condition and Trouble Area
DTC Confirmation Procedure
1) Clear DTC using scan tool.
2) Start engine and drive vehicle at 30 km/h (19 mph) or more vehicle speed at least for 1 min.
3) Stop vehicle and check DTC.
Troubleshooting