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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1381 (Automatic Transmission - 2ML70 - DTC P0971 To 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 2009 GMC Sierra and 2009 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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