P0573

2017-10-10

Description:

  • The fault code P0573 indicates an issue with the circuit that controls the cruise control and brake switch A high input signal. This may cause the cruise control to stop working and the vehicle may not be able to maintain a constant speed.

Possible Symptoms:

  • Inoperative cruise control

  • Illuminated cruise control light or check engine light

  • Brake lights may stay on or not function properly

  • ABS warning light may illuminate.

Possible Causes:

  • Faulty brake switch

  • Corroded or damaged connectors or wiring in the circuit

  • Faulty cruise control 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 faulty brake switch

  • Inspect and repair any damaged or corroded connectors or wiring in the circuit

  • Replace the faulty cruise control switch

  • Replace the engine control module (ECM) if necessary

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