LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P0658 or P0659: Actuator High Control Circuit Group 1 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the scan tool High Side driver 1 parameter displays ON.
    • If ON is not displayed 

      Refer to Circuit/System Testing.

    • If ON is displayed 
  3. Engine Running, and transmission in Park.
  4. Verify the scan tool parameters listed below do not display Malfunction:
    • 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 Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is not displayed 
  5. Operate 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.
  6. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  7. All OK.
scientia non olet · About LEMON Manuals