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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 6T40 - DTC P0973 To DTC P2764 And Troubleshooting Procedures) >> Diagnostic Information and Procedures >> DTC P0973 or P0974: Shift Solenoid Valve 1 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different variant/trim than selected.

P0973 

TCM detects a short to ground on the shift solenoid Valve 1 control circuit for 2s.

P0974 

TCM detects an open or short to voltage on the shift solenoid Valve 1 control circuit for 2s.

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