OBD Guide

P0724

Brake Switch B Circuit High

P0724 is an OBD-II diagnostic trouble code meaning: Brake Switch B Circuit High. Common causes: faulty brake switch, open or short circuit in the circuit. Estimated repair cost: $6–33.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–33 (est.)

Symptoms

  • Incorrect operation of cruise control
  • Gear shifting problems
  • Check Engine Light Is On
  • ABS system malfunction
  • The car does not come out of parking mode

Causes

  • Faulty brake switch
  • Open or short circuit in the circuit
  • Poor contact in the switch connector
  • Wiring Harness Problems
  • ECU malfunction

How to Fix

  1. Check the condition of the brake switch
  2. Inspect the wiring harness and connectors for damage
  3. Check the voltage in the switch circuit
  4. Replace faulty brake switch if necessary
  5. Check and, if necessary, replace damaged wires

Related codes

Error P0724 by Vehicle Brand

FAQ

What does the P0724 code mean?

P0724 is an OBD-II diagnostic trouble code that indicates: Brake Switch B Circuit High

What causes a P0724 error code?

The most common causes of P0724 include: Faulty brake switch; Open or short circuit in the circuit; Poor contact in the switch connector; Wiring Harness Problems.

How do I fix a P0724 diagnostic trouble code?

To fix P0724: Check the condition of the brake switch. Inspect the wiring harness and connectors for damage. Check the voltage in the switch circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0724?

Yes, but get it checked soon

How much does it cost to fix P0724?

The estimated repair cost for P0724 is $6–33. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat