C0576Brake Pressure Sensor D Circuit High
- Generic OBD-II code · Chassis
- Turns on the check-engine light
- Can trigger limp mode
- How the car detects it
- C0576 is set when the signal of brake pressure sensor D sits too high. GM's 2016–2019 hybrid brake tables, where D is the left rear wheel pressure sensor, compare the signal line against the supply: a level over 3.3 V lasting 0.1 s at ignition on stores the code, Type A with MIL after one trip. A short to the 5 V reference or to battery voltage and a broken sensor ground are the usual reasons; an internally damaged sensor can also report full scale. A Bosch trainer describes such a sensor as 5 V supplied, giving under 1 V with the brakes released and rising with pressure, which makes a high reading at rest easy to spot on live data. The module then no longer trusts the value, and regenerative blending and ABS/ESC are restricted.
- What you may notice
- Check engine light and brake warnings (GM hybrids)
- High rear pressure shown with the pedal released
- Less regenerative braking, ABS/ESC restricted
- Likely causes
- LikelySignal line shorted to the 5 V reference or to battery voltage
- PossibleOpen sensor ground, signal floats high
- PossibleSensor internally damaged, reports maximum pressure
- Repair
- Hard · Usually a job for a workshop.Typical cost: €60 – €2,500
- Related codes
Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.