P0571
Cruise Control/Brake Switch A Circuit Malfunction
Generic code
Vehicle Speed and Idle Control System
Low severity
Hard repair
Free on OBD DashX
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What P0571 means
- The fault code P0571 indicates that there is a fault in the circuit responsible for the communication between the brake and cruise control switches.
Possible symptoms
- Inability to set or maintain cruise control while driving
- Illuminated check engine light
- Inability to shift out of park
- Brake lights may not illuminate when pedal is pressed
- Problems with traction control system
Possible causes
- Failed brake switch
- Failed cruise control switch
- Damaged or corroded wiring in the brake or cruise control circuits
- Loose or corroded electrical connections
- Failed brake light switch
- 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 brake switch
- Replace the cruise control switch
- Check and repair any damaged wiring or connections
- Tighten or clean any loose or corroded electrical connections
- Replace the brake light switch
- Replace the engine control module (ECM) if necessary
Free on OBD DashX
P0571 on OBD DashX
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