OBD Guide

P1572

Brake Pedal Switch Circuit Malfunction

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$6–28 (est.)

Symptoms

  • Cruise control doesn't work
  • Brake lights do not turn on or are constantly on
  • Check engine light comes on
  • Problems starting the engine (on some models)
  • Incorrect operation of the ABS system

Causes

  • Faulty brake pedal switch
  • Open or short circuit in the circuit
  • Poor contact in connectors
  • Relay problems
  • Engine control unit malfunction

How to Fix

  1. Check the condition of the brake pedal switch
  2. Inspect wiring and connectors for damage
  3. Check fuses and relays
  4. Test the operation of the switch with a multimeter
  5. If necessary, replace the brake pedal switch

Related codes

Error P1572 by Vehicle Brand