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Home >> Ford >> 2012 >> Explorer Base, 3.5 8, AWD, 6F50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Automatic Transmission - 6R140 (TORQSHIFT-R-6)) >> Description & Operation >> System Components >> Hydraulic System Schematic >> Fail-Safe

Hydraulic System Schematic: Fail-Safe

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

If an electronic, hydraulic, or mechanical transmission malfunction occurs, the PCM or TCM defaults to Fail-Safe mode and turns off any current to the transmission. This leaves PARK, REVERSE, NEUTRAL and 5th gear with an unlocked TCC as the only available gears. With SSB, SSE and the LPC solenoid being normally high solenoids, 5th gear with full line pressure is achieved hydraulically when current is removed from the transmission.

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