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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1727 (Automatic Transmission - 4L60-E/4L65-E/4L70-E - DTC P0218 To DTC P2771) >> DTC P2771 >> Conditions for Setting the DTC >> Condition 1

Condition 1

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 transfer case shift control switch (TCSCS) indicates 4WD HIGH and the TCCM calculated transfer case range indicates 4WD LOW, for 2 seconds.

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