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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1168 (Automatic Transmission - 4L60-E/4L65-E (Service & Replacement)) >> Diagnostic Information and Procedures >> DTC P0742: Low Torque Converter Slip When The TCC Is Commanded OFF >> Test Description

Test Description

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The number below refers to the step number on the diagnostic table.

  1. 2. This step tests the hydraulic state of the TCC. When the PCM commands the TCC solenoid valve OFF, the slip speed should increase.
    Fig 1: DTC P0742
    G01972777Courtesy of GENERAL MOTORS CORP.
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