What does code C1224 mean on a 2001 Cadillac Seville?

The code C1224 on a 2001 Cadillac Seville indicates a problem with the vehicle speed sensor circuit, specifically related to the ABS (Anti-lock Braking System). This code typically suggests that there may be an issue with the sensor itself, the wiring, or the connectors in the circuit. It could lead to malfunctioning ABS or traction control systems, and it’s advisable to have the vehicle diagnosed to identify and rectify the underlying issue.