P0578
Cruise Control Multi-Function Input A Circuit Stuck
Generic code
Vehicle Speed and Idle Control System
Low severity
Hard repair
Free on OBD DashX
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What P0578 means
- The fault code P0578 indicates that there is an issue with the cruise control multi-function input A circuit. This may cause the cruise control system to stop functioning properly.
Possible symptoms
- Non
- functioning cruise control system
- Illuminated cruise control light on the dashboard
- Illuminated check engine light
- Inability to set or maintain a constant speed while driving
Possible causes
- Faulty cruise control multi
- function switch
- Damaged or faulty wiring in the cruise control system
- Loose or corroded connections in the cruise control system
- Failed brake pedal position switch
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 multi
- function switch
- Inspect and repair any damaged or faulty wiring in the cruise control system
- Clean or tighten any loose or corroded connections in the cruise control system
- Replace the failed brake pedal position switch if necessary
Free on OBD DashX
P0578 on OBD DashX
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