Brake Pressure Sensor C Circuit Range/Performance

Where it lives

For C0574, the description names the sensor as the part involved.

Check these first

• A brake pressure sensor C that reads outside the expected range
• Air trapped in the hydraulic circuit near sensor C
• A sensor C that is out of calibration
• A sticking valve that holds pressure at sensor C
• A failing sensor C with a drifting signal

What to do next

1. Compare brake pressure sensor C to sensor A and sensor B on live data
2. Bleed the hydraulic circuit if air is suspected near sensor C
3. Check the sensor C connector and wiring for damage
4. Command the related valves with a scan tool to check for a stick
5. Replace brake pressure sensor C if the range stays out of spec
6. Clear the code and retest

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