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Home >> GMC >> 2021 >> Acadia AT4 >> Repair and Diagnosis >> External Pages >> Different car >> Section 413 (Automatic Transmission - 9T60 (M3G) Or 9T65 (M3W) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P2820 or P2821 >> DTC Descriptor

DTC Descriptor

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
DTC P2820

Transmission Control Solenoid Valve 9 Stuck Off

DTC P2821

Transmission Control Solenoid Valve 9 Stuck On

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