Powertrain Definition only Lights the check engine lamp

P2C93: Hybrid/EV Battery Contactor Control Supply Circuit Range/Performance

Standardized SAE J2012 code · P2Cxx codes

What does P2C93 mean?

The supply circuit for the hybrid battery contactor control reports a range/performance condition. Contactor coils may not energise as expected.

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

Symptoms

  • EV/hybrid system warning light on
  • Reduced power output or limp mode
  • Charging may fail or be slowed
  • Reduced electric range

Common causes

  • High Supply voltage drift outside calibration
  • Medium High-resistance contact in connector
  • Low Sensor element aged beyond calibration window

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

Add your car to see reports of P2C93 on the same make and model first.

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