OBD Guide
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B2495

Anti-Theft Horn Output Circuit Failure

B2495 is an OBD-II diagnostic trouble code meaning: Anti-Theft Horn Output Circuit Failure. Common causes: open or short circuit in the audio signal circuit, faulty relay or fuse. Estimated repair cost: $22–111.

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

Symptoms

  • The sound signal does not work when the alarm is triggered
  • False alarms
  • The malfunction indicator on the dashboard is on

Causes

  • Open or short circuit in the audio signal circuit
  • Faulty relay or fuse
  • Damage to audio signal (speaker)
  • Problems with the anti-theft control module
  • Wiring harness damage

How to Fix

  1. Check fuses and relays associated with the anti-theft system
  2. Inspect the wiring harness for damage
  3. Check the integrity of the audio signal circuit
  4. Test the audio signal (speaker)
  5. If necessary, replace faulty components
  6. Reset the error and check the system operation

Related codes

B2494B2496B2500

FAQ

What does the B2495 code mean?

B2495 is an OBD-II diagnostic trouble code that indicates: Anti-Theft Horn Output Circuit Failure

What causes a B2495 error code?

The most common causes of B2495 include: Open or short circuit in the audio signal circuit; Faulty relay or fuse; Damage to audio signal (speaker); Problems with the anti-theft control module.

How do I fix a B2495 diagnostic trouble code?

To fix B2495: Check fuses and relays associated with the anti-theft system. Inspect the wiring harness for damage. Check the integrity of the audio signal circuit. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2495?

Limited driving only, diagnose soon

How much does it cost to fix B2495?

The estimated repair cost for B2495 is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat