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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 358 (Automatic Transmission - 6T50 (M2D) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P171A-P171C: Transmission Fluid Pressure Accumulator Solenoid Valve Control Circuit >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

P171A 

The ECM detects an open circuit on the transmission surge solenoid circuit for 1 s.

P171B 

The ECM detects a short to ground on the transmission surge solenoid circuit for 1 s.

P171C 

The ECM detects a short to power on the transmission surge solenoid circuit for 1 s.

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