P0566
Cruise Control Off Signal Malfunction
Generic code
Vehicle Speed and Idle Control System
Low severity
Hard repair
Free on OBD DashX
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What P0566 means
- The fault code P0566 means that there is a problem with the cruise control OFF signal. This signal is responsible for signaling the cruise control system to turn OFF the cruise control. When this signal is malfunctioning, the cruise control system may not work as intended.
Possible symptoms
- Inoperative cruise control system
- Illuminated cruise control light
- Malfunctioning brake lights
- Illuminated check engine light
Possible causes
- Faulty cruise control switch
- Malfunctioning brake light switch
- Wiring issues in the cruise control system
- Failed cruise control module
- Failed engine control module (ECM)
Related parts
- Cruise Control Circuit: Cruise control automatically controls the speed of a car by maintaining a steady speed as set by the driver. Problems lead to car not able to cruise at a constant speed
Possible solutions
- Replace the faulty cruise control switch
- Check and replace the malfunctioning brake light switch
- Check and repair any damaged wiring in the cruise control system
- Replace the cruise control module if necessary
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0566 on OBD DashX
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