C279A
Invalid Brake Pressure Transducer Pressure Input Received
C279A is an OBD-II diagnostic trouble code meaning: Invalid Brake Pressure Transducer Pressure Input Received. Common causes: brake pressure sensor malfunction, open or shorted wiring harness. Estimated repair cost: $56–167.
Symptoms
- ABS/ESP indicator is on
- Reduced braking performance
- Disabling Brake Assist Systems
Causes
- Brake pressure sensor malfunction
- Open or shorted wiring harness
- Poor contact in connectors
- Malfunction of the ABS/ESP control unit
How to Fix
- Check the integrity of the wiring harness to the sensor
- Check the contacts in the sensor and control unit connectors
- Test the brake pressure sensor with a multimeter
- Replace sensor if necessary
- Check and, if necessary, reflash the ABS/ESP control unit
Related codes
FAQ
What does the C279A code mean?
C279A is an OBD-II diagnostic trouble code that indicates: Invalid Brake Pressure Transducer Pressure Input Received
What causes a C279A error code?
The most common causes of C279A include: Brake pressure sensor malfunction; Open or shorted wiring harness; Poor contact in connectors; Malfunction of the ABS/ESP control unit.
How do I fix a C279A diagnostic trouble code?
To fix C279A: Check the integrity of the wiring harness to the sensor. Check the contacts in the sensor and control unit connectors. Test the brake pressure sensor with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C279A?
Limited driving only, diagnose soon
How much does it cost to fix C279A?
The estimated repair cost for C279A is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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