Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON.
Verify that no other DTCs are set except for C0544.
- If any other DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle
- If no other DTCs are set
With a scan tool, verify that the Steering Wheel Angle parameter is zero degrees or near zero degrees with the front tire/wheels in the straight ahead position.
NOTE: Wheel misalignment can cause incorrect Steering Wheel Angle parameter reading.
- If the Steering Wheel Angle parameter is not zero degrees or near zero degrees
1. Perform the Steering Angle Sensor Centering. Refer to Steering Wheel Angle Sensor Centering
2. Verify that DTC C0544 is not set.
  - If the DTC is set, replace the B99 Steering Wheel Angle Sensor.
  - If the DTC is not set
3. All OK.
- If the Steering Wheel Angle parameter is zero degrees or near zero degrees
All OK.