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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1736 (Automatic Transmission - 6L45/6L50/6L80/6L90 - DTC P0976 To DTC P2771) >> DTC P2719-P2721 >> Conditions for Setting the DTC >> P2721

Conditions for Setting the DTC: P2721

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

The TCM detects an open or short to voltage on the clutch PC solenoid 4 control circuit for 1 second.

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