OBD Guide

C064A

Brake Pressure Sensor M Circuit High

C064A is an OBD-II diagnostic trouble code meaning: Brake Pressure Sensor M Circuit High. Common causes: brake pressure sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP indicator is on
  • Reduced braking performance
  • Activating the emergency system mode

Causes

  • Brake pressure sensor malfunction
  • Open or short circuit in wiring harness
  • Problems with the ABS/ESP control unit
  • Contact corrosion

How to Fix

  1. Check the integrity of the wiring harness
  2. Check the resistance of the brake pressure sensor
  3. Check voltage in circuit M
  4. Replace sensor if necessary
  5. Clean contacts from corrosion

Related codes

Error C064A by Vehicle Brand

FAQ

What does the C064A code mean?

C064A is an OBD-II diagnostic trouble code that indicates: Brake Pressure Sensor M Circuit High

What causes a C064A error code?

The most common causes of C064A include: Brake pressure sensor malfunction; Open or short circuit in wiring harness; Problems with the ABS/ESP control unit; Contact corrosion.

How do I fix a C064A diagnostic trouble code?

To fix C064A: Check the integrity of the wiring harness. Check the resistance of the brake pressure sensor. Check voltage in circuit M. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C064A?

Limited driving only, diagnose soon

How much does it cost to fix C064A?

The estimated repair cost for C064A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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