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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Automatic Transaxle - 6F35) >> Description And Operation >> Transaxle Operation >> 5th Gear Failsafe >> 5th Gear Failsafe Description

5th Gear Failsafe Description

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When the transaxle has an electrical, hydraulic or mechanical failure, the PCM removes ground (control) from the shift, TCC  and LPC  solenoids. The uncontrolled solenoids default to their normal states. SSB  , SSD  and the LPC  solenoid are normally high solenoids which means in their normal state, they provide high pressure to the valves they control. This provides only 5th gear with maximum line pressure.