Code result
C0578
Park Brake Switch Stuck Open
Moderate severity
What it means
The EPB module has detected that the park brake operator switch remains in the open (released) state when an apply request is expected. Operation of the EPB by the driver is restricted.
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
EPB switch contacts stuck open
highOne of the most commonly reported causes for this code — check this first.
Wiring break in switch circuit
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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