P0571

Brake Switch A Circuit

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–56 (est.)

Symptoms

Cruise control doesn't work
Check Engine Light Is On
Brake lights do not turn on or work incorrectly

Causes

Faulty brake light switch
Open or short circuit in the circuit
Poor contact in connectors
Damaged wiring harness

How to Fix

Check the condition of the brake light switch
Check the integrity of the circuit and contacts
Replace the faulty switch if necessary
Clean or replace damaged connectors

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