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 75 is set when the 2WD/4WD detection switch, the center differential detection switch, the 2WD detection switch, 4LLc detection switch or the 4H detection switch or their relevant circuits is defective.