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Home >> GMC >> 2022 >> Terrain SLT, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> DTC P187E, P18AA-P18AE, P27EC, or P27F0 >> Conditions for Setting the DTC

Conditions for Setting the DTC

Transmission Range Command=Park & Transmission Range Control Valve 1 Position Switch/Transmission Range Control Valve 2 Position Switch=Low - For greater than 1 s