Cadillac CTS cruise control malfunction not yet repaired on Cadillac CTS

Some Cadillac CTS owners report experiencing cruise control malfunctions that may stem from issues such as a failed control module, sensor problems, switch malfunctions, or throttle actuation difficulties. These malfunctions can often be intermittent, requiring a vehicle restart to reset the system. Additionally, when the throttle position sensor fails, some owners notice that the engine's computer may overcompensate with fuel, resulting in black exhaust emissions. Diagnostic codes like P0564 or P0571 can provide valuable insights into the underlying issues. Repair costs for these cruise control problems typically range from $100 to $300. It is crucial for owners to address these malfunctions promptly to maintain safe and efficient vehicle operation, and if basic checks do not resolve the issue, seeking assistance from a qualified mechanic or dealership is advisable.