Powertrain Definition only Lights the check engine lamp

P2D81: Charging Start Switch Circuit Performance

Standardized SAE J2012 code · P2Dxx codes

What does P2D81 mean?

The charging start switch reports a circuit performance condition. Charging initiation cannot be reliably commanded by the operator.

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

Common causes

  • High Switch contacts aged
  • Medium High-resistance contact

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

Add your car to see reports of P2D81 on the same make and model first.

P2D81 in the community

Ask about P2D81

No one has posted about P2D81 yet

Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.

Describe your P2D81 problem