Code result
P05DB
Brake Pedal Position Sensor B Circuit Open
Moderate severity
What it means
The brake pedal position sensor B has an open control circuit. The ECU loses analogue feedback about pedal travel - used by stop-start, regenerative braking and adaptive cruise to coordinate engine, motor and friction brakes.
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
Open in sensor or wiring
highOne of the most commonly reported causes for this code — check this first.
Pin pushed back out of connector body
lowLess common, but worth ruling out after the more likely causes.
Cracked solder joint inside the module or sensor
lowLess common, but worth ruling out after the more likely causes.
Related help
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