C1246
Master Cylinder Pressure Sensor Malfunction
C1246 is an OBD-II diagnostic trouble code meaning: Master Cylinder Pressure Sensor Malfunction. Common causes: pressure sensor malfunction, open or shorted wiring harness. Estimated repair cost: $56–167.
Symptoms
- ABS/ESP indicator is on
- Reduced braking performance
- Activating the emergency brake system
Causes
- Pressure sensor malfunction
- Open or shorted wiring harness
- Problems with the ABS/ESP control unit
- Sensor contact corrosion
How to Fix
- Check the integrity of the wiring harness
- Check sensor resistance and voltage
- Replace pressure sensor if necessary
- Scan the system for other errors
Related codes
FAQ
What does the C1246 code mean?
C1246 is an OBD-II diagnostic trouble code that indicates: Master Cylinder Pressure Sensor Malfunction
What causes a C1246 error code?
The most common causes of C1246 include: Pressure sensor malfunction; Open or shorted wiring harness; Problems with the ABS/ESP control unit; Sensor contact corrosion.
How do I fix a C1246 diagnostic trouble code?
To fix C1246: Check the integrity of the wiring harness. Check sensor resistance and voltage. Replace pressure sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1246?
Limited driving only, diagnose soon
How much does it cost to fix C1246?
The estimated repair cost for C1246 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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