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.
- Verify that there is no communications DTC set.
- If there is a communications DTC set
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If there is no communications DTC set
- If there is a communications DTC set
- Verify that DTC B371A is not set.
- If DTC B371A is set
Replace the M75 Windshield Wiper Motor.
- Go to next step: If DTC B371A is not set
- If DTC B371A is set
- All OK.