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B2337 Chrysler Code - Horn Control Circuit High

Quick Answer

The B2337 Chrysler code indicates a problem with the horn control circuit being too high. Common causes include Damaged wiring in the horn control circuit, Faulty horn switch, Malfunctioning horn relay. 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
B2337 Chrysler indicates Horn Control Circuit High.
Common causes
Common causes include Damaged wiring in the horn control circuit, Faulty horn switch, Malfunctioning horn relay.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B2337 Chrysler Description

The B2337 Chrysler code indicates a problem with the horn control circuit being too high. In simpler terms, this means that there is an issue with the electrical circuit that controls the vehicle's horn, causing it to operate at a higher voltage than normal. This can result in the horn not functioning properly or continuously sounding without the driver activating it.

OBDII Code B2337 Chrysler - Horn Control Circuit High
B2337 Chrysler Code - Horn Control Circuit High

Common Causes of B2337 Chrysler

  1. Damaged wiring in the horn control circuit
  2. Faulty horn switch
  3. Malfunctioning horn relay
  4. Issues with the body control module
  5. Corrosion or loose connections in the horn circuit

Symptoms of B2337 Chrysler

  1. Horn not working at all
  2. Horn sounding continuously without driver input
  3. Horn sounding weak or muffled
  4. Dashboard warning light indicating a horn control circuit issue

How to Fix B2337 Chrysler

  1. Begin by inspecting the wiring in the horn control circuit for any visible damage or corrosion. Repair or replace any damaged wires.
  2. Test the horn switch to ensure it is functioning correctly. Replace the switch if necessary.
  3. Check the horn relay and replace it if it is faulty.
  4. Inspect the body control module for any signs of damage or malfunction. Repair or replace the module as needed.
  5. Test the horn to ensure it is working properly after completing the repairs.

Cost to Fix B2337 Chrysler

The cost of repairing a B2337 Chrysler code can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, you can expect to pay anywhere from $100 to $300 for parts and labor. Keep in mind that diagnostic time and labor rates at auto repair shops can fluctuate, so it's advisable to obtain quotes from multiple shops to find the best price for your specific situation.

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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 B2337 Chrysler Code

1. What does the OBDII code B2337 mean on a Chrysler vehicle?

The B2337 code indicates a problem in the horn control circuit, specifically that the circuit is operating at a voltage higher than expected.

2. What are the common symptoms of a B2337 code on a Chrysler?

Common symptoms include the horn not functioning, the horn sounding continuously, or the check engine light or other warning lights being illuminated.

3. What causes the B2337 Horn Control Circuit High code to appear?

This code is typically caused by a short circuit, a damaged horn relay, a faulty horn switch, or a wiring issue such as a broken or corroded connection.

4. Can a bad horn relay trigger the B2337 code?

Yes, a faulty horn relay can cause high voltage in the horn control circuit, leading to the B2337 code.

5. How do you diagnose a B2337 code on a Chrysler?

Start by inspecting the horn wiring and connectors for damage or corrosion. Test the horn relay and horn switch with a multimeter to check for proper function.

6. Is it safe to drive with a B2337 code on a Chrysler?

While the vehicle may drive normally, the horn may not work, which is a safety concern as it could prevent you from warning other drivers in an emergency.

7. How do you fix the B2337 code on a Chrysler?

Repairs may include replacing the horn relay, repairing damaged wiring or connectors, or replacing a faulty horn switch.

8. Can a blown fuse cause the B2337 code?

A blown fuse is unlikely to cause the B2337 code since this code relates to high voltage, but it’s still worth checking the fuse as part of the diagnosis.

9. Will clearing the B2337 code fix the problem?

Clearing the code may temporarily reset the warning, but the underlying issue in the horn control circuit must be repaired to prevent the code from returning.

10. How much does it cost to repair a B2337 code on a Chrysler?

The repair cost will vary depending on the exact cause but typically ranges from $50 to $200 for parts and labor, depending on whether you need to replace the relay, switch, or wiring.

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