M-ASTC DTC Set Condition
WARNING: This page is about a different car, the 2006 Mitsubishi Montero. However, it is still accessible from the selected car via links, so may be relevant.
DTC 66, 68 or 83 is set if there is a fault in the data which M-ASTC-ECU receives from the steering wheel sensor. In this case, the steering wheel sensor is sending data to the ECU, but the data contains a fault.