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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Automatic Transmission - 5ET50 (MKE)) >> Diagnostic Information and Procedures >> DTC P0658 or P0659 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify the scan tool High Side Driver 1 Command parameter displays On.
    • If On is not displayed 

      Refer to Circuit/System Testing.

    • Go to next step: If On is displayed 
  3. Verify the parameters listed below do not display Malfunction when commanding the high side driver 1, On and Off with a scan tool.
    • High Side Driver 1 Circuit Low Voltage Test Status
    • High Side Driver 1 Circuit Open Test Status
    • High Side Driver 1 Circuit High Voltage Test Status
    • If Multifunction is displayed 

      Refer to Circuit/System Testing.

    • Go to next step: If Multifunction is not displayed 
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observe from the Freeze Frame/Failure Records data.
  5. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • Go to next step: If the DTC does not set 
  6. All OK.
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