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 OFF.
Verify each indicator/message transitions between the ajar and closed state while opening and closing each vehicle door, hood, and rear compartment.
- If the indicator/message does not change
  Refer to Door Ajar Indicator Malfunction , or Hood Ajar Indicator/Message Malfunction .
- Go to next step: If each indicator/message changes
Ignition ON.
Verify the intrusion/inclination sensor disable LED turns ON and OFF as the intrusion/inclination sensor disable switch is cycled.
- If the LED does not turn ON and OFF
  Refer to Inclination/Intrusion Sensor Malfunction .
- Go to next step: If the LED turns ON and OFF
Completely lower the driver door window and close all vehicle doors, ignition OFF.
Arm the content theft deterrent system by locking the door with the keyless entry transmitter.
Verify the scan tool Content Theft Deterrent Alarm Status parameter is Armed.
- If not Armed
  Refer to Keyless Entry System Malfunction .
- Go to next step: If Armed
Without disarming the system, reach in through the open driver window and open the driver door.
Verify the scan tool Content Theft Deterrent Alarm Status parameter is Alarm.
- If not Alarm
  Replace the K9 Body Control Module.
- Go to next step: If Alarm
Verify the P25 Power Sounder Content Theft Deterrent Alarm Module is sounding.
- If the P25 Power Sounder Content Theft Deterrent Alarm Module is not sounding
  Refer to Theft Deterrent Alarm Malfunction .
- Go to next step: If the P25 Power Sounder Content Theft Deterrent Alarm Module is sounding
All OK.