Obdaryn

P2EA8DC/AC Converter A Input Voltage Too High

  • Generic OBD-II code · Powertrain
How the car detects it
P2EA8 is the reverse of P2EA7: the DC input of converter A lies above its permitted window. In the 12 V design of Toyota Industries' patent US10050558 the inverter stops once the battery side exceeds about 16 V, for example after a jump start from a 24 V source or with a failed alternator regulator. Unlike the low-voltage case it does not simply resume, but waits for a reset such as switching the vehicle off and on or unplugging the loads. Where the converter hangs on the high-voltage bus, as in Ford's Pro Power layout (US11043801), an overvoltage points to the traction system rather than to the converter. No manufacturer documents P2EA8 publicly. The sockets switch off to protect the unit and the connected devices.
What you may notice
  • AC sockets switch off and stay off until a restart
  • Other overvoltage messages or flickering lights
Likely causes
  • LikelyCharging system overvoltage from a faulty alternator regulator or DC/DC converter
  • PossibleJump start or charging with too high a voltage
  • RareFaulty input voltage measurement inside the converter
Repair
Medium · Usually a job for a workshop.Typical cost: €0 – €700

Explanation from obdex (CC0), exactly as the app shows it. Guidance only; confirm with a workshop.