C0044 on 2014-2022 Land Rover Range Rover Sport — Brake Pressure Sensor 'A' Circuit
1 vehicles · 1 makes · $600-$1,800 repair
Most Reported On
C0044 is an OBD-II diagnostic trouble code meaning “Brake Pressure Sensor 'A' Circuit.” This code points to a fault in brake pressure sensor 'A', which the ABS/stability module uses to measure hydraulic pressure in the brake system. The module detected an out-of-range, shorted, or open signal from this sensor, so it can no longer trust the pressure reading. Because stability control and ABS modulation depend on accurate pressure data, those systems may be disabled. Drivers may notice ABS/traction/brake warning lights and, in some cases, a softer or less responsive pedal feel. This code is most commonly reported on 2014-2022 Land Rover Range Rover Sport, with repair costs ranging from $600 to $1,800.
Common Causes
Typical Repair Cost
Based on 1 documented vehicle-specific issues. Actual cost depends on root cause and vehicle.
Diagnostic Tools
To diagnose C0044, you'll need an OBD-II scanner. Here are our recommendations at every price point.
ANCEL AD310 Classic OBD-II Scanner
by ANCEL
A simple, affordable code reader that reads and clears check engine codes. Great for quick diagnostics on any OBD-II vehicle (1996+).
- Read & clear engine codes
- View freeze frame data
- I/M readiness status
- No batteries or app needed
BlueDriver Pro Bluetooth Scanner
by BlueDriver
Bluetooth OBD-II scanner with a free companion app. Provides enhanced diagnostics, smog readiness, and repair reports sourced from a database of verified fixes.
- Enhanced diagnostics (ABS, SRS, transmission)
- Repair Reports with verified fixes
- Smog check readiness
- Free app (iOS & Android)
LAUNCH CRP123X OBD-II Scanner
by LAUNCH
A professional-grade handheld scanner that reads all four major systems (engine, transmission, ABS, SRS) with live data streaming and graphing.
- Engine, transmission, ABS, SRS diagnostics
- Live data stream & graphing
- AutoVIN for vehicle identification
- Free lifetime updates via Wi-Fi
Autel MaxiCOM MK808S Diagnostic Tool
by Autel
Shop-level diagnostic tablet with bi-directional control, active tests, and full system coverage. Ideal for serious DIYers and small shops.
- All-system diagnostics (25+ modules)
- Bi-directional control & active tests
- Oil reset, EPB, BMS, TPMS, injector coding
- 7-inch touchscreen with Android OS
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FAQ
What does C0044 mean?
C0044 stands for "Brake Pressure Sensor 'A' Circuit." This code points to a fault in brake pressure sensor 'A', which the ABS/stability module uses to measure hydraulic pressure in the brake system. The module detected an out-of-range, shorted, or open signal from this sensor, so it can no longer trust the pressure reading. Because stability control and ABS modulation depend on accurate pressure data, those systems may be disabled. Drivers may notice ABS/traction/brake warning lights and, in some cases, a softer or less responsive pedal feel.
What are the most common causes of C0044?
The most common causes of C0044 are: Faulty brake pressure sensor, Damaged sensor wiring or connector, Open or short in the pressure sensor circuit, Corrosion at the sensor or module connector, Loss of communication with the ABS/EBCM, Internal fault in the ABS hydraulic unit, Low brake fluid or air affecting pressure readings. The specific cause varies by vehicle.
How much does it cost to fix C0044?
Repair costs for C0044 range from $600 to $1,800, depending on the vehicle and root cause.
Which vehicles are affected by C0044?
Au7o has documented C0044 across 1 vehicle models from 1 manufacturers: Land Rover.
Content compiled with AI assistance using NHTSA complaints, TSBs, and owner reports. May contain errors. Always verify with your vehicle's service manual.