OBD Guide

B2752

Short To Ground In The Horn Relay Control Circuit

B2752 is an OBD-II diagnostic trouble code meaning: Short To Ground In The Horn Relay Control Circuit. Common causes: wiring harness damage, horn relay fault. Estimated repair cost: $22–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–56 (est.)

Symptoms

  • The sound signal does not work
  • The sound signal does not work correctly
  • The malfunction indicator on the instrument panel is on

Causes

  • Wiring harness damage
  • Horn relay fault
  • Problems in the control unit

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the condition of the horn relay
  3. Replace the relay or repair the wires if necessary
  4. Check the operation of the control unit

Related codes

FAQ

What does the B2752 code mean?

B2752 is an OBD-II diagnostic trouble code that indicates: Short To Ground In The Horn Relay Control Circuit

What causes a B2752 error code?

The most common causes of B2752 include: Wiring harness damage; Horn relay fault; Problems in the control unit.

How do I fix a B2752 diagnostic trouble code?

To fix B2752: Check the integrity of the wiring harness. Check the condition of the horn relay. Replace the relay or repair the wires if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2752?

Limited driving only, diagnose soon

How much does it cost to fix B2752?

The estimated repair cost for B2752 is $22–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat