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Home >> GMC >> 2021 >> Acadia AT4 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T50 (M3H), 9T60 (M3G) Or 9T65 (M3W) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P27EF, P27F1, or P27F2 >> DTC Descriptor

DTC Descriptor

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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