P0571

2017-10-10

Description:

  • 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

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