AutoCodes – Ford – B1C55 Ford

B1C55 Ford Code - Horn Relay Circuit

Quick Answer

The Body Control Module (BCM) monitors the Horn Relay Circuit. Common causes include Faulty Horn Relay, Horn Relay harness is open or shorted, Horn Relay 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: B1C55 Ford indicates Horn Relay Circuit.
Common causes: Common causes include Faulty Horn Relay, Horn Relay harness is open or shorted, Horn Relay 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 9,751

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 Aug 27, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B1C55 Ford Description

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

OBDII Code B1C55 Ford - Horn Relay Circuit - AutoCodes.com — B1C55 Ford Code - Horn Relay Circuit

What does this mean?

What are the Possible Causes of the DTC B1C55 Ford?

Faulty Horn Relay
Horn Relay harness is open or shorted
Horn Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1C55 Ford?

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 does this mean?

Code Tech Notes

B1C55:11 Horn Relay Circuit Short to Ground
B1C55:13 Horn Relay Circuit Open
B1C55:19 Horn Relay Circuit Current Above Threshold

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1C55 Ford 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 B1C55 Ford code?

Need more information on how to fix the B1C55 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1C55 Ford 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 B1C55 Ford Code

1. What are the common symptoms of OBDII code B1C55 Ford (Horn Relay Circuit)?

The common symptoms of OBDII code B1C55 Ford (Horn Relay Circuit) include a non-functional horn, horn going off randomly, or horn not stopping when pressed.

2. What are the possible causes of OBDII code B1C55 Ford?

Possible causes of OBDII code B1C55 Ford (Horn Relay Circuit) include a faulty horn relay, damaged wiring in the horn circuit, or a malfunctioning horn switch.

3. How can I diagnose the issue related to OBDII code B1C55 Ford?

To diagnose the issue related to OBDII code B1C55 Ford, you can start by checking the horn relay, inspecting the wiring for any damage, and testing the horn switch for proper function.

4. Can a DIY enthusiast repair OBDII code B1C55 Ford?

Yes, a DIY enthusiast can repair OBDII code B1C55 Ford by replacing the faulty horn relay, repairing any damaged wiring, or fixing the horn switch if needed.

5. Should I be concerned about safety when experiencing OBDII code B1C55 Ford?

Yes, you should be concerned about safety when experiencing OBDII code B1C55 Ford, as a non-functional horn can impact your ability to alert others on the road and may pose a safety risk.

6. Is it possible for other electrical issues to trigger OBDII code B1C55 Ford?

Yes, other electrical issues such as a blown fuse, faulty clockspring, or issues with the body control module can potentially trigger OBDII code B1C55 Ford.

7. How important is it to address OBDII code B1C55 Ford promptly?

It is important to address OBDII code B1C55 Ford promptly to ensure your horn functions properly for road safety and compliance with regulations.

8. What is the typical repair cost for fixing OBDII code B1C55 Ford?

The repair cost for fixing OBDII code B1C55 Ford can vary depending on the underlying cause, but it may range from $50 to $200 for parts and labor.

9. Can OBDII code B1C55 Ford be cleared/reset without repairing the issue?

While you can clear/reset OBDII code B1C55 Ford using an OBDII scanner, it is recommended to diagnose and fix the underlying issue to prevent the code from reoccurring.

10. Are there any preventive maintenance tips to avoid OBDII code B1C55 Ford in the future?

To avoid OBDII code B1C55 Ford in the future, it is advisable to periodically check the horn function, inspect the wiring for any damage, and address any horn-related issues promptly.