C1278 — STEERING Wheel Angle 1and 2 Signal Faulted

What it means

C1278 is an OBD-II diagnostic trouble code: STEERING Wheel Angle 1and 2 Signal Faulted.

Typical fix

Confirm the code with an OBD-II scanner, then inspect the component or circuit named above. Consult a vehicle-specific service manual for the full diagnostic and repair procedure.