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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 21 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P171D: Transmission Accumulator System Performance >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different variant/trim than selected.

The solenoid valve directs pressurized fluid to exit the accumulator to apply the clutches for a 1st gear start, during an Auto Start event.

For an overview of the component/system, refer to Park - Engine Running (Hydraulic Circuits Without ETRS)Park - Engine Running (Hydraulic Circuits With ETRS)Park - Engine Running (Mechanical Powerflow)

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