C0204

Master Cylinder Pressure Sensor

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

ABS/ESP indicator is on
Reduced braking performance
Incorrect operation of the stabilization system

Causes

Pressure sensor malfunction
Open or shorted wiring harness
Problems with sensor connectors
ABS/ESP module malfunction

How to Fix

Check the integrity of the wiring harness and connectors
Check sensor resistance and voltage
Replace pressure sensor if necessary
Check the operation of the ABS/ESP system after repair

Related codes

C0200 C0205 C0206