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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 56 (Automatic Transmission - 6L90 (MYD) - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0965-P0967 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Transmission = Park
  2. Engine - Idling - At normal operating temperature
  3. Perform the scan tool control function: Pressure Control Solenoid Valve 2 - On

    Verify the scan tool parameter:

    • Pressure Control Solenoid Valve 2 Control Circuit High Voltage Test Status = OK or Not Run
    • Pressure Control Solenoid Valve 2 Control Circuit Low Voltage Test Status = OK or Not Run
    • Pressure Control Solenoid Valve 2 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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