P0569 indicates a malfunction in the electrical circuit for the cruise control coast switch. The powertrain control module detects an invalid voltage signal when the coast function is activated or monitored. This prevents the cruise control system from maintaining or reducing vehicle speed automatically.
Internal contacts within the coast button often wear out or fail to make contact.
Wires in the steering column or harness may be broken, frayed, or shorted.
If the switch is mounted on the steering wheel, the spiral cable may be broken.
A dedicated fuse for the cruise control circuit may be open.
Moisture or age can cause poor conductivity at plug interfaces.
Internal controller failure is rare and should only be considered after all external circuits are verified.
The vehicle remains drivable, but the convenience feature for maintaining speed will not work.
No, PCM failure is extremely rare for this code; focus on the switch and wiring first.
Yes, standard driving functions are unaffected, but cruise control will be disabled.