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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1739 (Automatic Transmission - ALLISON - DTC P0218 To DTC P0878) >> DTC P0657 or P0658 >> Conditions for Setting the DTC >> P0657

Conditions for Setting the DTC: P0657

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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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