C1849
Master Cylinder Pressure Out of Range
C1849 is an OBD-II diagnostic trouble code meaning: Master Cylinder Pressure Out of Range. Common causes: brake fluid leak, worn master cylinder. Estimated repair cost: $56–222.
Symptoms
- ABS/ESP light is on
- Reduced braking performance
- Hard or 'sagging' brake pedal
- Activation of the stabilization system for no apparent reason
Causes
- Brake fluid leak
- Worn master cylinder
- Airing the system
- Pressure sensor malfunction
- Wiring harness damage
- Problems with the ESP/ABS unit
How to Fix
- Check the level and condition of the brake fluid
- Visual inspection for leaks
- Check the integrity of the wiring harness and connectors
- Diagnose the master cylinder on a bench
- Scan the ABS/ESP unit for additional errors
- Replace faulty components and bleed the system
Related codes
FAQ
What does the C1849 code mean?
C1849 is an OBD-II diagnostic trouble code that indicates: Master Cylinder Pressure Out of Range
What causes a C1849 error code?
The most common causes of C1849 include: Brake fluid leak; Worn master cylinder; Airing the system; Pressure sensor malfunction.
How do I fix a C1849 diagnostic trouble code?
To fix C1849: Check the level and condition of the brake fluid. Visual inspection for leaks. Check the integrity of the wiring harness and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C1849?
Limited driving only, diagnose soon
How much does it cost to fix C1849?
The estimated repair cost for C1849 is $56–222. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat