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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1737 (Automatic Transmission - ALLISON - DTC P0218 To DTC P0878) >> DTC P0657 or P0658 >> Conditions for Setting the DTC >> P0657

Conditions for Setting the DTC: P0657

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 circuit on 2 or more of the solenoids that are powered by HSD1 and the HSD1 voltage is 6 volts or greater for 1 second when the engine is cranking or running.

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