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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 P171A-P171C >> Conditions for Setting the DTC

Conditions for Setting the DTC

P171A 

Control circuit = Open/High Resistance - For greater than 1 s

P171B 

Control circuit = Short to Ground/Open/High Resistance - For greater than 1 s

P171C 

Control circuit = Short to Voltage - For greater than 1 s