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Home >> Chevrolet >> 2016 >> SS Automatic Trans >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission - 6L80 (MYC) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0601-P0604 or P062F: Control Module >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition OFF for one minute.
    2. CAUTION:

    Before programming a control module, the following must be observed, or control module damage may occur:

    • The TIS terminal, MDI, and/or scan tool must have the latest software.
    • The vehicle battery must be fully charged. The battery voltage should be between 12-14 volts.
    • The TIS terminal, MDI, and/or scan tool connections must be secure.
    • A battery charger must NOT be connected to the battery when programming a control module.
  2. Ignition ON, with a scan tool verify that DTC P0602 is not set.
    • If DTC P0602 is not set 
  3. Verify with a scan tool that DTCs P0601, P0603, P0604, or P062F are not set.
    • If DTCs P0601, P0603, P0604, or P062F are set 

      Replace the control solenoid valve and transmission control module assembly.

    • If DTCs P0601, P0603, P0604, or P062F are not set 
  4. After performing the above steps, verify that the DTC does not reset by operating the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data. If the vehicle passes the Circuit/System Verification procedure then refer to Testing for Intermittent Conditions and Poor Connections .
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