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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 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Control - Terminal 1 @ B280 Automatic Transmission Accumulator Solenoid Valve P171B P171A, P171B P171C -
Control - Terminal 2 @ B280 Automatic Transmission Accumulator Solenoid Valve P171B P171A, P171B P171C -