AutoCodes – Jeep – B237F Jeep

B237F Jeep Code - Horn Mute Request Circuit High

Quick Answer

The Multi-Purpose Module (Police And Taxi Interface Module-PTIM) monitors the Horn Mute Request Circuit. Common causes include Faulty Horn Mute, Horn Mute harness is open or shorted, Horn Mute 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: B237F Jeep indicates Horn Mute Request Circuit High.
Common causes: Common causes include Faulty Horn Mute, Horn Mute harness is open or shorted, Horn Mute 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 853

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 13, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B237F Jeep Description

The Multi-Purpose Module (Police And Taxi Interface Module-PTIM) monitors the Horn Mute Request Circuit. The Diagnostic Trouble Code (DTC) sets when the Multi-Purpose Module (Police And Taxi Interface Module-PTIM) has detected the Horn Mute Signal circuit above a calibrated value.

OBDII Code B237F Jeep - Horn Mute Request Circuit High - AutoCodes.com — B237F Jeep Code - Horn Mute Request Circuit High

What does this mean?

What are the Possible Causes of the DTC B237F Jeep?

Faulty Horn Mute
Horn Mute harness is open or shorted
Horn Mute circuit poor electrical connection
Faulty Multi-Purpose Module (Police And Taxi Interface Module-PTIM)

How to Fix the DTC B237F Jeep?

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 B237F Jeep 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 B237F Jeep code?

Need more information on how to fix the B237F Jeep code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B237F Jeep 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 B237F Jeep Code

1. What are the common symptoms of OBDII code B237F Jeep (Horn Mute Request Circuit High)?

- Common symptoms include the horn not functioning properly, the horn sounding continuously, or the horn not working at all.

2. What can cause the OBDII code B237F Jeep to trigger?

- The code B237F Jeep is typically triggered by a malfunction in the horn mute request circuit, which can be caused by a faulty horn switch, wiring issues, or a defective horn relay.

3. How can I diagnose the OBDII code B237F Jeep?

- Diagnosing the code involves checking the horn switch, inspecting the wiring for any damage or loose connections, and testing the horn relay for proper functionality.

4. What are some possible repair tips for fixing the OBDII code B237F Jeep?

- Repair tips may include replacing the horn switch if it is faulty, repairing any damaged wiring, or replacing the horn relay if it is not working correctly.

5. Can I drive my Jeep with the OBDII code B237F active?

- It is generally safe to drive your Jeep with the B237F code, but it is important to address the issue promptly to ensure the horn functions properly in case of emergencies.

6. How serious is the OBDII code B237F Jeep?

- While the code itself may not affect the drivability of the vehicle, it is important to address the issue to ensure the horn functions correctly for safety reasons.

7. Can I reset the OBDII code B237F Jeep without fixing the underlying issue?

- Resetting the code without fixing the underlying issue may temporarily turn off the warning light, but the problem will persist and the code is likely to reappear.

8. Is it possible to fix the OBDII code B237F Jeep on my own?

- Depending on your level of expertise, you may be able to diagnose and repair the issue causing the B237F code on your own. However, seeking professional help is recommended for complex electrical repairs.

9. How much does it typically cost to repair the OBDII code B237F Jeep?

- The cost of repairing the B237F code can vary depending on the root cause of the issue, but it may involve replacing components like the horn switch, wiring, or horn relay.

10. Can extreme weather conditions affect the OBDII code B237F Jeep?

- Extreme weather conditions, such as exposure to moisture or extreme temperatures, can potentially exacerbate issues with the horn mute request circuit, leading to the B237F code triggering.