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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1726 (Automatic Transmission - 2ML70 - DTC P0969 To DTC P02730/DTC P279D) >> DTC P0976 or P0977 >> Conditions for Setting the DTC >> P0977

Conditions for Setting the DTC: P0977

WARNING: This page is about a different car, the 2010 GMC Sierra and 2010 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The transmission control module detects an internal high voltage electrical malfunction of the shift solenoid 2 control circuit when the shift solenoid 2 is commanded ON for 1 second.

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