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.
- Ignition ON / Vehicle in Service Mode.
- Verify the scan tool Brake Transmission Shift Interlock Solenoid Actuator Command parameter changes from Inactive to Active when the brake pedal is applied.
- If the Brake Transmission Shift Interlock Solenoid Actuator Command does not change
Refer to Stop Lamps Malfunction .
- Go to next step: If the Brake Transmission Shift Interlock Solenoid Actuator Command changes
- If the Brake Transmission Shift Interlock Solenoid Actuator Command does not change
- Verify the S3 Transmission Shift Lever moves out of the PARK position when the brake pedal is applied.
- If the S3 Transmission Shift Lever does not move out of the PARK position
Refer to Circuit/System Testing.
- Go to next step: If the S3 Transmission Shift Lever does move out of the PARK position
Go to next step: All OK.
- If the S3 Transmission Shift Lever does not move out of the PARK position