OBD Guide

C0044

Brake Pressure Sensor A

C0044 is an OBD-II diagnostic trouble code meaning: Brake Pressure Sensor A. Common causes: brake pressure sensor malfunction, broken or damaged 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 or ESP indicator is on
  • Reduced braking performance
  • Incorrect operation of the stabilization system

Causes

  • Brake pressure sensor malfunction
  • Broken or damaged wiring harness
  • Poor contact in the sensor connector
  • Problems with the ABS/ESP control unit

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Check the resistance of the brake pressure sensor
  3. Measure the sensor supply voltage
  4. Replace brake pressure sensor if necessary
  5. Check the functionality of the ABS/ESP control unit

Related codes

Error C0044 by Vehicle Brand

FAQ

What does the C0044 code mean?

C0044 is an OBD-II diagnostic trouble code that indicates: Brake Pressure Sensor A

What causes a C0044 error code?

The most common causes of C0044 include: Brake pressure sensor malfunction; Broken or damaged wiring harness; Poor contact in the sensor connector; Problems with the ABS/ESP control unit.

How do I fix a C0044 diagnostic trouble code?

To fix C0044: Check the integrity of the wiring harness and connectors. Check the resistance of the brake pressure sensor. Measure the sensor supply voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0044?

Limited driving only, diagnose soon

How much does it cost to fix C0044?

The estimated repair cost for C0044 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat