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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P171A, P171B, Or 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 variant/trim than selected.

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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