AutoCodes – Generic – C1026

C1026 Code - ABS Secondary Circuit Overboost Pressure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the ABS Secondary Circuit Overboost 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: C1026 indicates ABS Secondary Circuit Overboost Pressure.
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 14,253

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 C1026 Description

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

OBDII Code C1026 - ABS Secondary Circuit Overboost Pressure - AutoCodes.com — C1026 Code - ABS Secondary Circuit Overboost Pressure

What does this mean?

What are the Possible Causes of the DTC C1026?

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

How to Fix the DTC C1026?

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

C1026:21 ABS Secondary Circuit Overboost Pressure: Signal Amplitude < Minimum
C1026:22 ABS Secondary Circuit Overboost Pressure: Signal Amplitude > Maximum

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1026 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 C1026 code?

Need more information on how to fix the C1026 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1026 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1026 Ford — ABS Secondary Circuit Overboost Pressure
C1026 Lincoln — ABS Secondary Circuit Overboost Pressure
C1026 Mercury — ABS Secondary Circuit Overboost Pressure
C1026 Suzuki — Left Front Wheel Speed Sensor Circuit

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 C1026 Code

1. What are common symptoms of OBDII code C1026 (ABS Secondary Circuit Overboost Pressure)?

- Common symptoms include the ABS warning light coming on, loss of ABS functionality, and potential issues with brake performance.

2. What could cause the OBDII code C1026 (ABS Secondary Circuit Overboost Pressure) to trigger?

- This code can be triggered by a malfunction in the ABS secondary circuit related to overboost pressure, often caused by issues with the ABS pump motor or pressure sensor.

3. How can I diagnose the OBDII code C1026 (ABS Secondary Circuit Overboost Pressure)?

- Diagnosis typically involves using a diagnostic scanner to read the code, checking the ABS system for any visible damage or leaks, and testing the ABS pump motor and pressure sensor.

4. What are the possible repair options for OBDII code C1026 (ABS Secondary Circuit Overboost Pressure)?

- Repair options may include replacing a faulty ABS pump motor, pressure sensor, or related wiring, as well as ensuring proper fluid levels and system bleeding.

5. Is it safe to drive with the OBDII code C1026 (ABS Secondary Circuit Overboost Pressure) present?

- It is not recommended to drive with this code present, as it may affect brake performance and ABS functionality, potentially compromising vehicle safety.

6. Can a DIY enthusiast fix OBDII code C1026 (ABS Secondary Circuit Overboost Pressure) at home?

- While some basic diagnosis can be done at home, repairing this code often requires specialized tools and knowledge, so it may be best to consult a professional mechanic.

7. How much does it typically cost to repair OBDII code C1026 (ABS Secondary Circuit Overboost Pressure)?

- Repair costs can vary depending on the exact cause of the issue, but they may range from a few hundred to over a thousand dollars, including parts and labor.

8. Are there any preventive maintenance tips to avoid OBDII code C1026 (ABS Secondary Circuit Overboost Pressure)?

- Regularly checking and maintaining the ABS system, including fluid levels, can help prevent issues that may trigger this code.

9. Can resetting the OBDII code C1026 (ABS Secondary Circuit Overboost Pressure) temporarily resolve the problem?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue is not addressed, the code is likely to reappear.

10. How urgent is it to address OBDII code C1026 (ABS Secondary Circuit Overboost Pressure)?

- It is important to address this code promptly to ensure the proper functioning of the ABS system and maintain safe braking performance in the vehicle.