Powertrain Definition only Lights the check engine lamp

P2E87: Proximity Detection Circuit B

Standardized SAE J2012 code · P2Exx codes

What does P2E87 mean?

The proximity detection circuit B (SAE J1772 PD signal) reports a circuit 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

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

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