Code result
C0279
Brake Booster Boost Sensor Circuit Malfunction
Moderate severity
What it means
The brake control module has detected an electrical fault in the booster boost (assist pressure) sensor circuit. Power-assist regulation may default to a backup strategy.
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
Boost sensor failed
highOne of the most commonly reported causes for this code — check this first.
Sensor wiring or connector fault
mediumA plausible cause — test and verify before replacing parts.
Related help
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