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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 197 (Automatic Transmission - 8L45 (M5N M5T) Or 8L90 (M5U) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0776 or P0777: Transmission Control Solenoid Valve 2 Stuck >> Conditions for Setting the DTC

Conditions for Setting the DTC

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

P0776 

TCM has detected the 1-2-3-4-5-Reverse Clutch did not apply, resulting in a neutral condition.

P0777 

TCM has detected the 1-2-3-4-5-Reverse Clutch did not release, resulting in a tie-up condition.

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