Powertrain Definition only Lights the check engine lamp

P2E3B: Battery Charger B Output Voltage Too Low

Standardized SAE J2012 code · P2Exx codes

What does P2E3B mean?

Battery charger B reports a output voltage too low condition. HV charging operation may be impaired.

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

Symptoms

  • Charge status indicator shows fault
  • Charging may not start or interrupts
  • Slower-than-expected charge rate

Common causes

  • High Output regulator low
  • Medium Increased internal loss

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

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P2E3B in the community

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