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Home >> GMC >> 2022 >> Terrain AT4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 335 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P27EF, P27F1, or P27F2 >> DTC Descriptor

DTC Descriptor

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.
DTC P27EF

Transmission Range Control Valve 2 Position Switch Circuit

DTC P27F1

Transmission Range Control Valve 2 Position Switch Circuit Low Voltage

DTC P27F2

Transmission Range Control Valve 2 Position Switch Circuit High Voltage

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