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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 227 (Automatic Transmission - 2ML70 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Description and Operation >> Automatic Transmission Hydraulic Diagrams >> Power Off High Default >> 4th Clutch Releases

4th Clutch Releases

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.

If the transmission is operating in Fourth gear when an electrical malfunction occurs, the shift solenoid 1 defaults to its normally closed state (OFF) and the 4th clutch is released. Refer to EVT Mode High - From Drive Range 4th Gear  for a complete description of 4th clutch release.

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