Circuit/System Verification
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
- Transmission in Park
- Engine idling.
- 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
- 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
- If the DTC sets
- All OK.