Power Folding Top Description and Operation: Overview
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.
The operation of the convertible top is automatic. The user of the vehicle operates the S134 Folding Top/Global Window Switch and the K23 Folding Top Control Module latches and unlatches the convertible top while hydraulic power actuation provides the force to raise and lower the top.
The electrical portion of the power convertible top system consists of the following:
- K23 Folding Top Control Module
- M86 Folding Top Header Latch Motor
- B239 Folding Top Header Latch Motor Unlatched Position Sensor
- B238 Folding Top Header Latch Motor Latched Position Sensor
- B240L Folding Top Header Latched Position Sensor - Left
- B240R Folding Top Header Latched Position Sensor - Right
- S134 Folding Top/Global Window Switch
- B43L Folding Top Luggage Barrier Sensor - Left
- B43R Folding Top Luggage Barrier Sensor - Right
- B251 Folding Top Down Position Sensor
- B252 Folding Top Up Position Sensor
- B249L Folding Top Tension Bow Down Position Sensor - Left
- B249R Folding Top Tension Bow Down Position Sensor - Right
- B250 Folding Top Tension Bow Up Position Sensor
- M87 Folding Top Stowage Compartment Flaps Motor
- B243L Folding Top Stowage Compartment Flap Open Position Sensor - Left
- B241L Folding Top Stowage Compartment Flap Closed Position Sensor - Left
- B242 Folding Top Stowage Compartment Flaps Enable Sensor
- M89 Folding Top Stowage Compartment Lid Latch Motor
- B246 Folding Top Stowage Compartment Lid Latch Closed Switch
- B247 Folding Top Stowage Compartment Lid Latch Open Switch
- B244R Folding Top Stowage Compartment Lid Closed Position Sensor - Right
- B244L Folding Top Stowage Compartment Lid Closed Position Sensor - Left
- B248 Folding Top Stowage Compartment Lid Open Position Sensor
- B254 Rear Compartment Lid Position Sensor
- M23 Folding Top Pump Motor
- KR149A Folding Top Pump Motor Relay 1
- KR149B Folding Top Pump Motor Relay 2
- Q16A Folding Top Solenoid Valve 1
- Q16B Folding Top Solenoid Valve 2
- Q16C Folding Top Solenoid Valve 3