Skip to content
Book on WhatsApp

P05E0

Brake Pedal Position Sensor A and B Correlation

Brake-by-wire and electronic brake systems use two redundant pedal position sensors. Their readings disagree by more than the diagnostic tolerance - one or both has drifted, or wiring picks up noise on one channel.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: easy

Common causes

Ordered by how often each turns out to be the cause.

  • One sensor has drifted out of toleranceCommon

Parts involved

  • Brake Pedal Position Sensor A
  • Brake Pedal Position Sensor B

P05E0 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.