C2000
ChassisSteering Angle Sensor Not Calibrated
On Ford and Mazda models, this code typically refers to a brake-related fault, often a brake pressure sensor circuit issue or a fault in the ABS hydraulic control unit. The exact interpretation varies by model.
ⓘ Information only. This page provides general educational information about fault code C2000. We do not assess the urgency or safety implications of any specific fault. That requires in-person diagnosis by a qualified mechanic. Full terms.
Recommended next steps
Whether a fault is urgent, drivable, or routine depends entirely on the cause on a specific vehicle, and that can only be determined by a qualified mechanic with diagnostic equipment. If a warning light is illuminated, the most reliable next step is professional diagnosis.
What does C2000 mean?
C2000 is a Chassis (ABS, traction control, steering) fault code. It indicates: Steering Angle Sensor Not Calibrated.
Symptoms commonly associated with this code
Symptoms that drivers often report alongside this code. Not all may apply to every case:
- • ABS warning light on the dashboard
- • Possibly traction control and stability control lights as well
- • Brake pedal feel may be slightly different (firmer or less progressive)
- • ABS function disabled, the brakes still work but won't pulse during emergency stops
- • On some models, brake assist (BA) becomes unavailable, the car won't apply maximum braking pressure even with hard pedal pressure
Possible causes
Causes commonly associated with C2000, listed in approximate order of typical investigation. The actual cause on a specific vehicle can only be confirmed by professional diagnosis.
- 1. Failed brake pressure sensor or its wiring (the most common cause)
- 2. Damaged ABS module hydraulic control unit, on Ford Focus particularly there's a known fault with the ABS pump motor seizing
- 3. Wiring damage between sensor and ABS module, often where the loom passes through the engine bay
- 4. Connector corroded at the sensor or module, common after years of road salt
- 5. Air ingress in the brake system after a recent repair, can confuse the pressure sensor
- 6. Failed ABS module entirely (last resort, expensive)
How mechanics typically diagnose
A typical diagnostic sequence used by mechanics, provided here for educational reference only. Diagnostic work should be performed by a qualified mechanic with the appropriate tools and training.
- 1. Read live data from the brake pressure sensor with the brake pedal pressed and released, the value should change predictably with pedal force
- 2. Inspect the sensor and its wiring physically
- 3. Check brake fluid level and condition, low fluid or air can cause sensor errors
- 4. Check the ABS module for any signs of moisture damage, the units are usually in the engine bay where they see weather
- 5. If everything else is healthy, the module's pump or solenoid block may be failing, that's workshop diagnosis
Common questions about C2000
Is the car safe to drive? +
Standard hydraulic brakes still work normally, so the car will stop in normal conditions. What you lose is ABS pulse braking (won't help in emergency stops on slippery roads), traction control, and stability control. Many drivers can manage a short drive to a garage. Don't drive long distances or in poor weather; emergency-stop performance without ABS is significantly worse, particularly at speed.
Could a recent brake job have caused this? +
Yes, sometimes. Air introduced into the system during pad or fluid changes can confuse pressure sensors. A poorly bled system, particularly on cars with electronic brake distribution (EBD), can throw codes that didn't exist before the work. Bleed the system properly (or get a workshop to do it with a scan tool that opens the ABS solenoids during the bleed) and the codes often clear.
Why is the ABS pump motor a known fault on my Focus? +
The 2004-2011 Ford Focus has a documented issue where the ABS pump motor brushes wear out or seize, particularly on cars used mostly for short urban driving. Specialist remanufacturers can rebuild the pump for £150-£300 with a 12-month warranty, far cheaper than a full module replacement.
Manufacturer-specific notes
Some manufacturers publish additional definitions or variations for this code. Always cross-check with your vehicle's own service documentation.
Information only, not professional advice
The information on this page is provided for general guidance and educational purposes only. It is not a substitute for diagnosis or repair advice from a qualified mechanic. Always verify any fault before paying for repairs. carfaultcodes.co.uk accepts no liability for decisions made based on this information. Full terms →