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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1054 (Automatic Transmission - ALLISON - DTC P0733 To DTC P0873) >> DTC P0826 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0826 sets when the transmission control module (TCM) detects an open condition in the TAP up/down shift switch circuit for greater than 6 seconds when driver shift request is commanded.