Powertrain Definition only Lights the check engine lamp

P2E1A: Drive Motor A Inverter Voltage Sensor A/B Correlation

Standardized SAE J2012 code · P2Exx codes

What does P2E1A mean?

The drive motor A inverter voltage sensors A and B do not correlate within the calibrated tolerance.

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

Symptoms

  • EV/hybrid system warning light on
  • Reduced motor power or torque
  • Possible limp mode or vehicle shutdown

Common causes

  • High One sensor offset drifted
  • Medium Ground offset between sensors

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

Add your car to see reports of P2E1A on the same make and model first.

P2E1A in the community

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