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Home >> Chevrolet >> 2018 >> Equinox L >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Diagnostic Information And Procedures >> Diagnostic Information And Procedures >> DTC P0961, P0962, Or P0963: Line Pressure Control Solenoid Valve >> Circuit/System Verification

Circuit/System Verification

  1. Transmission in Park
  2. Engine idling.
  3. Perform the scan tool control function: Line Pressure Control Solenoid Valve - From lowest value to maximum value

    Verify the scan tool parameter:

    • Line Pressure Control Solenoid Valve Control Circuit High Voltage Test Status = OK or Not Run
    • Line Pressure Control Solenoid Valve Control Circuit Low Voltage Test Status = OK or Not Run
    • Line Pressure Control Solenoid Valve Performance Test Status = OK Not Run
    • If not the specified state 

      Refer to: Component Testing

    • Go to next step: If the specified state 
  4. 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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to: Component Testing

    • Go to next step: If the DTC is not set 
  5. All OK.
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