Powertrain Definition only Lights the check engine lamp

P2E8B: Proximity Detection Circuit B Intermittent/Erratic

Standardized SAE J2012 code · P2Exx codes

What does P2E8B mean?

The proximity detection circuit B (SAE J1772 PD signal) reports a intermittent/erratic condition. Charging cable plug detection is impaired.

The code tells you which monitor failed, not which part is broken. Test before replacing parts.

Common causes

  • High Charge inlet contacts dirty
  • Medium Wiring fault
  • Low Connector with intermittent contact under vibration

Likelihood is a general estimate across vehicles; your make and model may differ.

Add your car to see reports of P2E8B on the same make and model first.

P2E8B in the community

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