Why is my cruise control light flashing Subaru Impreza?
When the check engine light does come on the cruise control light will blink indicating that the cruise control has been disabled and the vehicle’s dynamic stability control light will come on indicating that it also has been disabled.
Can a brake light disengage cruise control?
Brake Light Switch – As cruise control is automatically cancelled by depressing the brake, some vehicles may disengage cruise control if it cannot detect the brake light switch. Brake Lights – In some systems, cruise control is disabled when a brake light is blown.
Why is my cruise control light not working?
Aftermarket lighting, such as LED brake light conversion, might trick the CCM into thinking a brake light is blown, as LED bulbs draw less current than incandescent bulbs. Fuses and Relays – On some vehicles, fuses and relays are used to protect the cruise control actuator circuit.
How does a cruise control system work in a car?
Early systems used a vacuum motor and cable, but these eventually changed over to electric motors. Most recently, with the development of drive-by-wire or electronic throttle control systems (ETCS), cruise control is built into the engine control module (ECM), which controls the throttle body electronically.
Why is the cruise control not working on my car?
Spiral Cable – Many vehicles mount the cruise control switch on the steering wheel. A faulty spiral cable may have an open circuit, preventing the switch from contacting the CCM. Control Switch – If the internal contacts wear out, the cruise control switch may not be able to contact the CCM.
Brake Light Switch – As cruise control is automatically cancelled by depressing the brake, some vehicles may disengage cruise control if it cannot detect the brake light switch. Brake Lights – In some systems, cruise control is disabled when a brake light is blown.
What does the blinking cruise control light mean?
The cruise will blink telling you it’s disabled when the car senses a problem. Generally you will have a CEL along with it but, if it’s a pending code, I’ve heard that sometimes only the Cruise will blink. Did you goof around and do burnouts in the dirt ?
How does an adaptive cruise control system work?
Adaptive cruise control systems, sometimes called “smart” cruise, use radar or laser detection to maintain safe distances from vehicles ahead. Some adaptive cruise control systems merely reduce engine speed to maintain distance, but some of the newest adaptive cruise control systems can also engage the brakes to slow or stop the vehicle.