OBD Guide
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B2496

Anti-Theft Horn Output Circuit Short To Ground

B2496 is an OBD-II diagnostic trouble code meaning: Anti-Theft Horn Output Circuit Short To Ground. Common causes: short circuit in wiring harness, security horn malfunction. Estimated repair cost: $22–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • The security horn does not work when the alarm is activated
  • False alarms
  • The anti-theft system malfunction indicator is on

Causes

  • Short circuit in wiring harness
  • Security horn malfunction
  • Relay or fuse problems
  • Damage to the power supply

How to Fix

  1. Check the integrity of the wiring harness
  2. Test the security horn
  3. Check relays and circuit fuses
  4. If necessary, replace the horn or repair the wiring harness

Related codes

B2495B2497B2500

FAQ

What does the B2496 code mean?

B2496 is an OBD-II diagnostic trouble code that indicates: Anti-Theft Horn Output Circuit Short To Ground

What causes a B2496 error code?

The most common causes of B2496 include: Short circuit in wiring harness; Security horn malfunction; Relay or fuse problems; Damage to the power supply.

How do I fix a B2496 diagnostic trouble code?

To fix B2496: Check the integrity of the wiring harness. Test the security horn. Check relays and circuit fuses. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2496?

Limited driving only, diagnose soon

How much does it cost to fix B2496?

The estimated repair cost for B2496 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat