OBD Guide
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C1013

Brake System Pressure

C1013 is an OBD-II diagnostic trouble code meaning: Brake System Pressure. Common causes: malfunction of the brake fluid pressure sensor, brake fluid leak. Estimated repair cost: $56–167.

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • ABS or ESP indicator is on
  • Reduced braking performance
  • Unusual noises when braking
  • The car pulls to the side when braking

Causes

  • Malfunction of the brake fluid pressure sensor
  • Brake fluid leak
  • Damage to the sensor wiring harness
  • ABS module malfunction
  • Contamination or corrosion of sensor contacts

How to Fix

  1. Check the brake fluid level
  2. Inspect the brake system for leaks
  3. Check the integrity of the pressure sensor wiring harness
  4. Test the pressure sensor with a multimeter
  5. Replacing the pressure sensor if necessary
  6. Reset the error and take a test drive

Related codes

C1014C1015C1210

FAQ

What does the C1013 code mean?

C1013 is an OBD-II diagnostic trouble code that indicates: Brake System Pressure

What causes a C1013 error code?

The most common causes of C1013 include: Malfunction of the brake fluid pressure sensor; Brake fluid leak; Damage to the sensor wiring harness; ABS module malfunction.

How do I fix a C1013 diagnostic trouble code?

To fix C1013: Check the brake fluid level. Inspect the brake system for leaks. Check the integrity of the pressure sensor wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C1013?

Limited driving only, diagnose soon

How much does it cost to fix C1013?

The estimated repair cost for C1013 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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