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Home >> GMC >> 2022 >> Terrain AT4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 246 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Description And Operation) >> Description and Operation >> Reverse (Hydraulic Circuits Without ETRS) >> Notes

Reverse (Hydraulic Circuits Without ETRS): Notes

WARNING: This page is about a different car, the 2021 GMC Terrain. However, it is still accessible from the selected car via links, so may be relevant.

When the gear selector is moved to the Reverse (R) position (from the Park position) the 5-7 reverse solenoid and clutch select control solenoid is commanded ON and the 1 reverse & 6-7-8-9 solenoid is commanded OFF and the following changes occur in the transmission's hydraulic and electrical systems:

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