AutoCodes – Chrysler – B2339 Chrysler

B2339 Chrysler Code - Horn Switch Stuck

Quick Answer

The Horn Switch is connected to the Right Steering Switch. Common causes include Faulty Horn Switch, Horn Switch harness is open or shorted, Horn Switch 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: B2339 Chrysler indicates Horn Switch Stuck.
Common causes: Common causes include Faulty Horn Switch, Horn Switch harness is open or shorted, Horn Switch 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 3,890

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 Nov 12, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2339 Chrysler Description

The Horn Switch is connected to the Right Steering Switch. The switching status is transferred to the Cluster by way of the LIN bus, a serial sub-bus. The Cluster converts the data to a CAN Bus signal and sends the message to the corresponding module on the bus. The Diagnostic Trouble Code (DTC) sets when the Cluster senses that the Horn Switch is pressed for greater than 45 seconds.

OBDII Code B2339 Chrysler - Horn Switch Stuck - AutoCodes.com — B2339 Chrysler Code - Horn Switch Stuck

What does this mean?

What are the Possible Causes of the DTC B2339 Chrysler?

Faulty Horn Switch
Horn Switch harness is open or shorted
Horn Switch circuit poor electrical connection
Faulty Right Steering Switch

How to Fix the DTC B2339 Chrysler?

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 B2339 Chrysler 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.

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Need more information on how to fix the B2339 Chrysler code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2339 Chrysler 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 B2339 Chrysler Code

1. What are the common symptoms of OBDII code B2339 in a Chrysler related to a stuck horn switch?

The common symptoms include a horn that is constantly sounding or a horn that does not work at all.

2. What could cause the horn switch to become stuck in a Chrysler vehicle?

The horn switch can become stuck due to a malfunction in the electrical circuit, a damaged horn switch assembly, or water damage.

3. How can I diagnose the issue causing OBDII code B2339 in my Chrysler related to the horn switch?

You can diagnose the issue by checking the horn switch wiring, inspecting the horn switch assembly for any damage, and testing the continuity of the electrical circuit.

4. What are some repair tips for fixing a stuck horn switch in a Chrysler with OBDII code B2339?

You can try cleaning the horn switch contacts, replacing the horn switch assembly if it is damaged, or checking for any water ingress that may be causing the issue.

5. Can a stuck horn switch related to OBDII code B2339 in a Chrysler be fixed without professional help?

In some cases, simple troubleshooting steps like cleaning the contacts can help resolve the issue. However, if the problem persists, it is recommended to seek professional help for proper diagnosis and repair.

6. Will a stuck horn switch causing OBDII code B2339 affect the overall performance of my Chrysler?

While the performance of the vehicle may not be directly affected by a stuck horn switch, it can lead to safety concerns and may cause inconvenience while driving.

7. Is it safe to continue driving my Chrysler with OBDII code B2339 if the horn switch is stuck?

It is not recommended to drive the vehicle if the horn switch is stuck as it may lead to unexpected horn activation or the inability to use the horn in emergency situations.

8. How much does it typically cost to repair a stuck horn switch causing OBDII code B2339 in a Chrysler?

The cost of repair can vary depending on the root cause of the issue and whether professional help is required. Simple fixes like cleaning contacts may be inexpensive, while replacing the horn switch assembly can be more costly.

9. Can a stuck horn switch causing OBDII code B2339 in a Chrysler be prevented in the future?

Regular maintenance checks, keeping the horn switch assembly clean and dry, and addressing any electrical issues promptly can help prevent the horn switch from getting stuck in the future.

10. Are there any recalls or service bulletins related to OBDII code B2339 in Chrysler vehicles with a stuck horn switch?

It is recommended to check with Chrysler dealership or visit the National Highway Traffic Safety Administration (NHTSA) website to see if there are any recalls or service bulletins related to this issue.