Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
DTC P193C: Steering Wheel Angle Signal: Action
This DTC sets if the information in the steering wheel angle sensor message is outside of the programmed set of parameters. This is most likely due to steering wheel angle sensor concerns, wiring harness concerns or vehicle communication concerns. If the vehicle is equipped with adaptive steering, CARRY OUT the SASM self-test. DIAGNOSE any SASM DTCs. REFER to the SASM DTC Chart in this article. If the vehicle is not equipped with adaptive steering or if there are no DTCs present in the SASM, CARRY OUT the SCCM self-test. DIAGNOSE any SCCM DTCs. REFER to the Steering Wheel and Column Electrical Components article. If there are no DTCs present in the SCCM, CARRY OUT the ABS module self-test. DIAGNOSE any ABS module DTCs. REFER to the ABS module DTC Chart in this article.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.