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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transmission - 6T50 (M2D) - Description And Operation) >> Description And Operation >> Drive Range, Fourth Gear Default (Gen 3) >> 2-6 Clutch Releases

2-6 Clutch Releases

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26 Pressure Control (PC) Solenoid 

If the transmission is in Second or Sixth gear when an electrical condition commands a protection mode, the 26 PC solenoid defaults to its normally-low state (OFF), allowing PCS 26 clutch fluid pressure to exhaust and the 2-6 clutch to release. See Drive Range - Third Gear for a complete description of 2-6 clutch release.