C066D

Service/Park Brake Chamber Pressure Sensor

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

The brake system fault light is on
Incorrect operation of the parking brake
Reduced braking performance

Causes

Pressure sensor malfunction
Open or shorted wiring harness
Oxidation of sensor connector contacts
Air leak in the system

How to Fix

Check the condition of the sensor and its connector
Check the integrity of the wiring harness
Check the system for air leaks
Replace sensor if necessary
Clear error codes and check system operation

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