C0202
Master Cylinder Pressure Sensor
C0202 is an OBD-II diagnostic trouble code meaning: Master Cylinder Pressure Sensor. Common causes: pressure sensor malfunction, open or shorted wiring harness. Estimated repair cost: $56–167.
Symptoms
- ABS/ESP indicator is on
- Reduced braking performance
- Incorrect operation of the stabilization system
- Loss of pressure in the brake system
Causes
- Pressure sensor malfunction
- Open or shorted wiring harness
- Problems with the ABS/ESP control module
- Low brake fluid level
- Air in the brake system
How to Fix
- Check the brake fluid level
- Diagnose the sensor wiring harness and connectors
- Check sensor resistance (according to manufacturer's specifications)
- Replace pressure sensor if necessary
- Adapt the system after replacement
Related codes
Error C0202 by Vehicle Brand
FAQ
What does the C0202 code mean?
C0202 is an OBD-II diagnostic trouble code that indicates: Master Cylinder Pressure Sensor
What causes a C0202 error code?
The most common causes of C0202 include: Pressure sensor malfunction; Open or shorted wiring harness; Problems with the ABS/ESP control module; Low brake fluid level.
How do I fix a C0202 diagnostic trouble code?
To fix C0202: Check the brake fluid level. Diagnose the sensor wiring harness and connectors. Check sensor resistance (according to manufacturer's specifications). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C0202?
Limited driving only, diagnose soon
How much does it cost to fix C0202?
The estimated repair cost for C0202 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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