Power Folding Top Description and Operation: Open/Down
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.
When the K23 Folding Top Control Module sees the open signal from the S134 Folding Top/Global Window Switch go active, it will start to open the folding top provided all of the following are true.
| Condition | Source of Info |
|---|---|
| System Power Mode is Run or Accessory | Serial Data |
| Voltage is between 10 - 16 V | Module inputs |
| No Diagnostics Faults are detected with pump motor | Module inputs |
| Ambient Temperature is above -20°C (-4°F) | Serial Data |
| Pump Motor is not in an over temperature condition | Module Software algorithm |
| Vehicle Speed Below 50 kph (31 mph) | Serial Data |
| Luggage Barrier Active | Module input |
| Trunk is not Open | Serial Data |
Once folding top movement has begun, the switch must be held active for the full range of motion. If the switch returns to the OFF position while the power convertible top is in motion, all motion will cease.