Code result
C0090
Hydraulic Brake Pressure Sensor Circuit
Moderate severity
What it means
The brake pressure sensor in the master cylinder or hydraulic block reports an implausible signal or no signal. The fault disables ABS, stability control and brake assist.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Pressure sensor element failed
highOne of the most commonly reported causes for this code — check this first.
Sensor wiring fault
mediumA plausible cause — test and verify before replacing parts.
Related help
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