AutoCodes – Ford – C1103 Ford

C1103 Ford Code - ABS Hydraulic Brake Switch Circuit

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Hydraulic Brake Switch Circuit. Common causes include Faulty ABS Hydraulic Brake Switch, ABS Hydraulic Brake Switch harness is open or shorted, ABS Hydraulic Brake 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: C1103 Ford indicates ABS Hydraulic Brake Switch Circuit.
Common causes: Common causes include Faulty ABS Hydraulic Brake Switch, ABS Hydraulic Brake Switch harness is open or shorted, ABS Hydraulic Brake 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 1,101

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 03, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1103 Ford Description

The Anti-Lock Brake System (ABS) Module monitors the Hydraulic Brake Switch Circuit. The Diagnostic Trouble Code (DTC) will be set when the ABS Module detects the Hydraulic Brake Switch is not to factory specifications.

OBDII Code C1103 Ford - ABS Hydraulic Brake Switch Circuit - AutoCodes.com — C1103 Ford Code - ABS Hydraulic Brake Switch Circuit

What does this mean?

What are the Possible Causes of the DTC C1103 Ford?

Faulty ABS Hydraulic Brake Switch
ABS Hydraulic Brake Switch harness is open or shorted
ABS Hydraulic Brake Switch circuit poor electrical connection

How to Fix the DTC C1103 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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1103 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 C1103 Ford code?

Need more information on how to fix the C1103 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1103 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 C1103 Ford Code

1. What are the common symptoms of OBDII code C1103 in a Ford related to the ABS Hydraulic Brake Switch Circuit?

The common symptoms include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and issues with the brake system.

2. What are some possible causes of OBDII code C1103 in a Ford related to the ABS Hydraulic Brake Switch Circuit?

Potential causes include a faulty hydraulic brake switch, damaged wiring or connectors in the circuit, or issues with the ABS module itself.

3. How can I diagnose OBDII code C1103 in a Ford related to the ABS Hydraulic Brake Switch Circuit?

Diagnosis typically involves using a diagnostic scanner to retrieve the trouble codes, inspecting the hydraulic brake switch and related wiring, and performing functional tests on the ABS system.

4. Can I still drive my Ford with OBDII code C1103 related to the ABS Hydraulic Brake Switch Circuit?

It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS system, potentially compromising safety.

5. How can I repair OBDII code C1103 in a Ford related to the ABS Hydraulic Brake Switch Circuit?

Repair options may include replacing the faulty hydraulic brake switch, repairing damaged wiring or connectors, or addressing any issues with the ABS module as needed.

6. Are there any DIY tips for troubleshooting OBDII code C1103 in a Ford related to the ABS Hydraulic Brake Switch Circuit?

DIY tips may include checking for loose or damaged wiring, ensuring proper connection of the hydraulic brake switch, and consulting the vehicle's repair manual for specific guidance.

7. Can OBDII code C1103 in a Ford related to the ABS Hydraulic Brake Switch Circuit be intermittent?

Yes, this code can sometimes be intermittent, especially if the issue is related to loose connections or sporadic faults in the circuit.

8. Is it possible for other ABS-related codes to be triggered along with OBDII code C1103 in a Ford?

Yes, it is possible for other ABS-related codes to be triggered simultaneously, especially if the underlying issue is affecting multiple components of the ABS system.

9. How critical is it to address OBDII code C1103 in a Ford related to the ABS Hydraulic Brake Switch Circuit promptly?

It is important to address this code promptly to ensure the proper functioning of the ABS system, which plays a crucial role in vehicle safety and stability during braking.

10. Can resetting the OBDII system clear OBDII code C1103 related to the ABS Hydraulic Brake Switch Circuit in a Ford?

While resetting the OBDII system may temporarily clear the code, it is essential to diagnose and address the underlying issue to prevent the code from reoccurring.