AutoCodes – Generic – C1028

C1028 Code - ABS Primary Circuit Wheel Pressure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the ABS Primary Circuit Wheel Pressure. Common causes include Faulty Anti-Lock Brake System (ABS) Module, Anti-Lock Brake System (ABS) Module harness is open or shorted, Anti-Lock Brake System (ABS) Module 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: C1028 indicates ABS Primary Circuit Wheel Pressure.
Common causes: Common causes include Faulty Anti-Lock Brake System (ABS) Module, Anti-Lock Brake System (ABS) Module harness is open or shorted, Anti-Lock Brake System (ABS) Module 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 6,832

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 C1028 Description

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

OBDII Code C1028 - ABS Primary Circuit Wheel Pressure - AutoCodes.com — C1028 Code - ABS Primary Circuit Wheel Pressure

What does this mean?

What are the Possible Causes of the DTC C1028?

Faulty Anti-Lock Brake System (ABS) Module
Anti-Lock Brake System (ABS) Module harness is open or shorted
Anti-Lock Brake System (ABS) Module circuit poor electrical connection

How to Fix the DTC C1028?

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

C1028:62 ABS Primary Circuit Wheel Pressure: Signal Compare Failure

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1028 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 C1028 code?

Need more information on how to fix the C1028 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1028 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C1028 Ford — ABS Primary Circuit Wheel Pressure
C1028 Lincoln — ABS Primary Circuit Wheel Pressure
C1028 Mercury — ABS Primary Circuit Wheel Pressure
C1028 Suzuki — Master Cylinder Pressure Sensor

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 C1028 Code

1. What are the common symptoms of OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

The common symptoms of OBDII code C1028 include the ABS warning light illuminating on the dashboard, decreased braking performance, and potential loss of traction control.

2. What are the possible causes of OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

Possible causes of OBDII code C1028 include faulty wheel speed sensor, damaged ABS module, wiring issues, or a malfunctioning hydraulic control unit.

3. How can I diagnose OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

To diagnose OBDII code C1028, it is recommended to use an OBDII scanner to retrieve the code, perform a visual inspection of the ABS system components, and test the wheel speed sensors for proper functioning.

4. Can I still drive my vehicle with OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

It is not recommended to drive your vehicle with OBDII code C1028 present, as it can impact the performance of your ABS system and compromise your safety on the road.

5. How do I repair OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

Repairing OBDII code C1028 involves addressing the root cause, which may include replacing a faulty wheel speed sensor, repairing damaged wiring, or replacing a malfunctioning ABS module.

6. Are there any DIY tips for troubleshooting OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

DIY tips for troubleshooting OBDII code C1028 include checking the wheel speed sensor connections, inspecting the wiring for any visible damage, and ensuring the ABS module is securely mounted.

7. How much does it typically cost to repair OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

The cost of repairing OBDII code C1028 can vary depending on the root cause of the issue, but it may range from $100 to $500 or more, including parts and labor.

8. Can a simple reset of the ABS system clear OBDII code C1028 (ABS Primary Circuit Wheel Pressure)?

In some cases, a simple reset of the ABS system may temporarily clear OBDII code C1028, but it is important to address the underlying issue to prevent the code from reoccurring.

9. Is OBDII code C1028 (ABS Primary Circuit Wheel Pressure) a serious issue?

OBDII code C1028 should be taken seriously as it can impact the performance of your ABS system, compromising your vehicle's braking and traction control capabilities.

10. How can I prevent OBDII code C1028 (ABS Primary Circuit Wheel Pressure) from happening again?

To prevent OBDII code C1028 from happening again, it is important to regularly inspect and maintain your ABS system components, including the wheel speed sensors and wiring connections.