OBD Guide

C05CC

Brake Master Cylinder Piston Position Sensor A Circuit Range/Performance

C05CC is an OBD-II diagnostic trouble code meaning: Brake Master Cylinder Piston Position Sensor A Circuit Range/Performance. Common causes: piston position sensor malfunction, wiring harness damage. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP warning light is on
  • Deterioration of brake performance
  • Loss of effectiveness of active safety systems

Causes

  • Piston position sensor malfunction
  • Wiring harness damage
  • Poor contact in connectors
  • Problems with the master cylinder

How to Fix

  1. Check the condition of the sensor and its connectors
  2. Check the integrity of the wiring harness
  3. Measure the resistance and voltage of the sensor
  4. If necessary, replace the sensor or master cylinder

Related codes

Error C05CC by Vehicle Brand

FAQ

What does the C05CC code mean?

C05CC is an OBD-II diagnostic trouble code that indicates: Brake Master Cylinder Piston Position Sensor A Circuit Range/Performance

What causes a C05CC error code?

The most common causes of C05CC include: Piston position sensor malfunction; Wiring harness damage; Poor contact in connectors; Problems with the master cylinder.

How do I fix a C05CC diagnostic trouble code?

To fix C05CC: Check the condition of the sensor and its connectors. Check the integrity of the wiring harness. Measure the resistance and voltage of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C05CC?

Limited driving only, diagnose soon

How much does it cost to fix C05CC?

The estimated repair cost for C05CC is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat