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Home >> Ford >> 2012 >> Mustang Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Automatic Transmission - 5R110W (TORQSHIFT(R)) -- F450 & F550 Super Duty) >> Description & Operation >> Transmission Electronic Control System >> Four-Wheel Drive (4WD) Low Switch

Four-Wheel Drive (4WD) Low Switch

WARNING: This page is about a different car, the 2012 Ford F550 Super Duty and 2012 Ford F450 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

The 4WD Low switch sends a ground signal to the IC when the vehicle is in 4WD Low. The PCM then receives a 4WD Low status from the IC and adjusts the transmission shift schedule accordingly.