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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 944 (Automatic Transmission - ALLISON - DTC P2671 To DTC P2771) >> DTC P2671 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

DTC P2671 sets when the TCM detects greater than 6.0 volts at the HSD2 terminal prior to commanding HSD2 ON.

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