Circuit/System Verification

WARNING: This page is about a different car, the 2020 Buick Regal TourX, 2020 Buick Regal, 2019 Buick Regal TourX, and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

Ignition = On
Verify there are no DTCs set related to the following component/system: K43 Power Steering Control Module
- If a related DTC is set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
- Go to next step: If a related DTC is not set
1. Verify DTC U0126, U0130, U0131 is not set.
  - If DTC U0126, U0130, U0131 is set
    Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
  - Go to next step: If a DTC was not set
2. Verify DTC C0035-C0050 is not set. - Electronic Brake Control Module
  - If DTC C0035-C0050 is set
    Refer to: Diagnostic Trouble Code (DTC) List - Vehicle
  - Go to next step: If a DTC was not set
Perform the following procedure/test: Steering Wheel Angle Sensor Centering
- If the repair corrected the DTC/symptom
  All OK.
- Go to next step: If the repair did not correct the DTC/symptom
Replace the component: Steering Gear
- If the repair corrected the DTC/symptom
  All OK.
- Go to next step: If the repair did not correct the DTC/symptom
Replace the component: K17 Electronic Brake Control Module
All OK.