AutoCodes – Generic – C1013

C1013 Code - Brake System Pressure

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the overall brake system pressure. Common causes include Brake fluid leaks, Faulty Brake Fluid Pressure Sensor, Brake Fluid Pressure Sensor harness is open or shorted. 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
C1013 indicates Brake System Pressure.
Common causes
Common causes include Brake fluid leaks, Faulty Brake Fluid Pressure Sensor, Brake Fluid Pressure Sensor harness is open or shorted.
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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 5,868
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 04, 2020
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Code C1013 Description

The Anti-Lock Brake System (ABS) Module monitors the overall brake system pressure. The ABS Module sets the OBDII code when the overall brake system pressure deviates from one or more wheel pressures or the front wheel pressures do not match each other.
OBDII Code C1013 - Brake System Pressure - AutoCodes.com
C1013 Code - Brake System Pressure

What are the Possible Causes of the DTC C1013?

  • Brake fluid leaks
  • Faulty Brake Fluid Pressure Sensor
  • Brake Fluid Pressure Sensor harness is open or shorted
  • Brake Fluid Pressure Sensor circuit poor electrical connection

How to Fix the DTC C1013?

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 C1013 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 C1013 code?

Need more information on how to fix the C1013 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1013 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

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 C1013 Code

1. What are common symptoms of OBDII code C1013 related to the Brake System Pressure?

- Common symptoms include a spongy brake pedal, illuminated brake warning light on the dashboard, and reduced braking performance.

2. What are the possible causes of OBDII code C1013 indicating an issue with Brake System Pressure?

- The code C1013 can be triggered by low brake fluid levels, a faulty brake pressure sensor, air in the brake lines, or a malfunctioning ABS pump.

3. How can I diagnose the OBDII code C1013 for Brake System Pressure issues?

- Diagnosis typically involves checking the brake fluid levels, inspecting the brake pressure sensor and its wiring, bleeding the brake system to remove air, and testing the ABS pump for proper functionality.

4. Can low brake fluid levels cause OBDII code C1013 to appear?

- Yes, low brake fluid levels can trigger the code C1013 as it affects the pressure within the brake system, leading to potential brake performance issues.

5. What is the recommended repair for OBDII code C1013 related to Brake System Pressure?

- The recommended repair may include topping up the brake fluid, replacing a faulty brake pressure sensor, bleeding the brake system, or repairing/replacing the ABS pump as needed.

6. Is it safe to drive with OBDII code C1013 indicating Brake System Pressure problems?

- It is not recommended to drive with OBDII code C1013 active, as it can lead to compromised braking performance and safety hazards. Immediate attention and repair are advised.

7. Can air in the brake lines cause OBDII code C1013 to be triggered?

- Yes, air in the brake lines can disrupt the proper pressure within the brake system, potentially leading to the activation of OBDII code C1013.

8. How do I bleed the brake system to address OBDII code C1013 issues?

- Brake system bleeding involves systematically removing air from the brake lines by opening and closing the brake calipers or wheel cylinders while maintaining proper fluid levels in the reservoir.

9. Are there any DIY tips for addressing OBDII code C1013 related to Brake System Pressure?

- While basic tasks like checking brake fluid levels can be done by DIY enthusiasts, diagnosing and repairing the underlying causes of OBDII code C1013 may require professional assistance due to the complexity of brake systems.

10. Can a malfunctioning ABS pump be the sole cause of OBDII code C1013 appearing for Brake System Pressure problems?

- Yes, a malfunctioning ABS pump can disrupt brake pressure regulation, leading to the trigger of OBDII code C1013 and potentially affecting overall brake system performance.

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