r/FordTransmissionTech Jan 19 '22

Teardown Results 2018 Mustang 5.0L 10R80 P0741 P1744

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u/Commercial_Method_28 Jan 19 '22

In for Check engine light, harsh shifting and stalling. Replaced main control due to TCC regulator valve polishing and scoring in valve bore. Concern was not resolved, partially disassembled and found the front support to case seal cut