AutoCodes – Generic – B2496

B2496 Code - Anti-Theft Horn Output Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Anti-Theft Horn. Common causes include Faulty Anti-Theft Horn, Anti-Theft Horn harness is open or shorted, Anti-Theft Horn circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: B2496 indicates Anti-Theft Horn Output Circuit Short To Ground.
Common causes: Common causes include Faulty Anti-Theft Horn, Anti-Theft Horn harness is open or shorted, Anti-Theft Horn circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 7,928

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Dec 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2496 Description

The Body Control Module (BCM) monitors the Anti-Theft Horn. The BCM sets the OBDII code when the Anti-Theft Horn is not to factory specifications.

OBDII Code B2496 - Anti-Theft Horn Output Circuit Short To Ground - AutoCodes.com — B2496 Code - Anti-Theft Horn Output Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B2496?

Faulty Anti-Theft Horn
Anti-Theft Horn harness is open or shorted
Anti-Theft Horn circuit poor electrical connection

How to Fix the DTC B2496?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B2496 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B2496 code?

Need more information on how to fix the B2496 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2496 code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B2496 Code

1. What are the common symptoms of OBDII code B2496?

- The common symptoms include a non-functioning horn, the vehicle's anti-theft system not working properly, and the horn sounding continuously.

2. What causes the Anti-Theft Horn Output Circuit Short To Ground (B2496) code?

- This code is typically caused by a short circuit between the anti-theft horn output circuit and the ground within the vehicle's electrical system.

3. How can I diagnose the Anti-Theft Horn Output Circuit Short To Ground issue?

- To diagnose this issue, you can use a multimeter to check for continuity and resistance in the anti-theft horn output circuit. Inspecting the wiring for any visible damage or exposed wires is also recommended.

4. Can a blown fuse cause the B2496 OBDII code to appear?

- Yes, a blown fuse in the anti-theft horn circuit can lead to the B2496 code being triggered due to the loss of power or short to ground.

5. What is the typical repair process for the Anti-Theft Horn Output Circuit Short To Ground issue?

- The repair process usually involves locating and repairing the short circuit in the anti-theft horn output circuit. This may require repairing or replacing damaged wiring or components.

6. Are there any safety precautions to keep in mind while working on this issue?

- It is important to disconnect the vehicle's battery before working on any electrical components to prevent the risk of electrical shock or damage to the vehicle's electrical system.

7. Can I drive my vehicle with the B2496 code present?

- It is not recommended to drive the vehicle with the B2496 code present, as it may indicate a potential issue with the anti-theft system or electrical circuit that could affect the vehicle's safety and security features.

8. Will resetting the OBDII code B2496 make the issue go away?

- Simply resetting the code will not resolve the underlying issue causing the B2496 code. It is important to diagnose and repair the root cause of the problem to prevent the code from reappearing.

9. Is it possible to bypass the anti-theft horn circuit to temporarily resolve the issue?

- While it may be possible to bypass the circuit to silence the horn temporarily, this is not a recommended long-term solution as it may compromise the vehicle's security features.

10. Can a DIY enthusiast repair the Anti-Theft Horn Output Circuit Short To Ground issue?

- Depending on their skills and experience with automotive electrical systems, a DIY enthusiast may be able to diagnose and repair the issue. However, it is recommended to seek professional help if unsure.