AutoCodes – Ford – C102B Ford

C102B Ford Code - ABS Secondary Circuit Pressure Lower Than Primary

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the ABS Secondary Circuit Pressure. Common causes include Brake system leaks, Air in the brake system, Faulty Anti-Lock Brake System (ABS) Module. 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: C102B Ford indicates ABS Secondary Circuit Pressure Lower Than Primary.
Common causes: Common causes include Brake system leaks, Air in the brake system, Faulty Anti-Lock Brake System (ABS) Module.
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 7,898

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 06, 2020

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code C102B Ford Description

The Anti-Lock Brake System (ABS) Module monitors the ABS Secondary Circuit Pressure. The ABS Module sets the OBDII code when the ABS Secondary Circuit Pressure is not to factory specifications.

OBDII Code C102B Ford - ABS Secondary Circuit Pressure Lower Than Primary - AutoCodes.com — C102B Ford Code - ABS Secondary Circuit Pressure Lower Than Primary

What does this mean?

What are the Possible Causes of the DTC C102B Ford?

Brake system leaks
Air in the brake system
Faulty Anti-Lock Brake System (ABS) Module

How to Fix the DTC C102B 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

C102B:00 ABS Secondary Circuit Pressure Lower Than Primary: No Sub Type Information

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C102B 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.

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Need more information on how to fix the C102B Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C102B 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 C102B Ford Code

1. What are the common symptoms of OBDII code C102B in a Ford vehicle?

- Some common symptoms include the ABS warning light illuminating on the dashboard, decreased braking performance, and potential activation of the vehicle's anti-lock braking system.

2. What does the OBDII code C102B Ford indicate?

- This code indicates a problem with the ABS secondary circuit pressure being lower than the primary circuit pressure, potentially leading to issues with the vehicle's braking system.

3. What are the possible causes of OBDII code C102B in a Ford vehicle?

- The code C102B can be triggered by issues such as a faulty ABS pump motor, a malfunctioning ABS modulator valve, low brake fluid level, or a hydraulic brake system leak.

4. How can I diagnose the cause of OBDII code C102B in my Ford vehicle?

- Diagnosing the issue may require a professional scan tool to read the ABS module codes, a visual inspection of the brake system for leaks, and testing the ABS pump motor and modulator valve for proper function.

5. Can I still drive my Ford vehicle with OBDII code C102B present?

- It is not recommended to drive the vehicle with this code present, as it can impact the performance of the anti-lock braking system and compromise overall brake effectiveness.

6. How can I repair OBDII code C102B in my Ford vehicle?

- Repairing this code may involve addressing the specific cause, such as replacing a faulty ABS pump motor, repairing a brake fluid leak, or resolving issues with the ABS modulator valve.

7. Is it safe to reset the OBDII code C102B in my Ford vehicle without fixing the underlying issue?

- It is not recommended to reset the code without addressing the underlying problem, as it may lead to continued issues with the vehicle's braking system and compromise safety.

8. Can a DIY enthusiast fix OBDII code C102B in a Ford vehicle?

- While some basic troubleshooting steps can be taken by a DIY enthusiast, diagnosing and repairing this code may require specialized tools and expertise best handled by a professional mechanic.

9. How much does it typically cost to repair OBDII code C102B in a Ford vehicle?

- The cost of repairing this code can vary depending on the specific cause and parts needed, but it may range from a few hundred to over a thousand dollars, including parts and labor.

10. How can I prevent OBDII code C102B from reoccurring in my Ford vehicle?

- Regularly inspecting the brake system for leaks, maintaining proper brake fluid levels, and addressing any ABS system issues promptly can help prevent the reoccurrence of OBDII code C102B in your Ford vehicle.