Code result
C05CD
Brake Master Cylinder Piston Position Sensor B Circuit Voltage High
High severity
What it means
Brake master cylinder piston position sensor B signal voltage above expected range.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Signal wire shorted to battery
highOne of the most commonly reported causes for this code — check this first.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose C05CD freeNo credit card required