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P0571 Mercedes-Benz Code - Cruise Control/Brake Switch 'A' Circuit Malfunction

- Code Popularity: 3,956 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 2/3
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What are the Possible Causes of the DTC P0571 Mercedes-Benz?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes.
  • Faulty Brake Switch
  • Misadjusted brake switch
  • Brake Switch harness is open or shorted
  • Brake Switch circuit poor electrical connection
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How to Fix the DTC P0571 Mercedes-Benz?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0571 Mercedes-Benz code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

When is the Code Detected?

The P0571 codes is set when the stop light switch does not turn off even once the vehicle is driven.

What are Code Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Stop light inoperative
  • Cruise control system inoperative

Code P0571 Mercedes-Benz Description

When the brake pedal is depressed, the stop light switch sends a signal to the Engine Control Module (ECM). When the ECM receives this signal, it cancels the cruise control.

OBDII Code P0571 Mercedes-Benz - Cruise Control/Brake Switch 'A' Circuit Malfunction - AutoCodes.com
P0571 Mercedes-Benz Code - Cruise Control/Brake Switch 'A' Circuit Malfunction

Need More Information on the Code?

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Code P0571 Mercedes-Benz comments

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