C1953
Master Cylinder Pressure Sensor Circuit Open
C1953 is an OBD-II diagnostic trouble code meaning: Master Cylinder Pressure Sensor Circuit Open. Common causes: open circuit in the sensor wiring harness, pressure sensor malfunction. Estimated repair cost: $56–167.
Symptoms
- ABS or ESP light is on
- Deterioration of the ABS system
- Loss of brake pressure data
Causes
- Open circuit in the sensor wiring harness
- Pressure sensor malfunction
- Poor contact in the sensor connector
- Damage to the ABS control unit
How to Fix
- Check the integrity of the sensor wiring harness
- Check the contacts in the sensor connector
- Test the pressure sensor with a multimeter
- Replace sensor if necessary
- Check for fault codes in the ABS control unit
Related codes
FAQ
What does the C1953 code mean?
C1953 is an OBD-II diagnostic trouble code that indicates: Master Cylinder Pressure Sensor Circuit Open
What causes a C1953 error code?
The most common causes of C1953 include: Open circuit in the sensor wiring harness; Pressure sensor malfunction; Poor contact in the sensor connector; Damage to the ABS control unit.
How do I fix a C1953 diagnostic trouble code?
To fix C1953: Check the integrity of the sensor wiring harness. Check the contacts in the sensor connector. Test the pressure sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1953?
Do not drive — repair immediately
How much does it cost to fix C1953?
The estimated repair cost for C1953 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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