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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1375 (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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This DTC sets when the HSD1 voltage is greater than 6 V and the TCM detects an open on 2 or more of the solenoids (MOD MAIN, TCC, or PCS1) that are connected to the HSD1.

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