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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1077 (Automatic Transmission - ALLISON, Diagnosis (DTC P0873 To DTC P2810)) >> Diagnosis >> DTC P1571 >> Circuit Description

Circuit Description

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The transmission control module (TCM) sends a signal to the powertrain control module (PCM) on the requested torque signal circuit. This signal commands the PCM to limit engine torque under certain extreme driving conditions.

DTC P1571 is a type B DTC.

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