Obdaryn

P2E3FBattery Charger B Module Forced Shutdown Voltage Low

  • Generic OBD-II code · Powertrain
How the car detects it
P2E3F reports a forced shutdown signal at charger B that stays below its permitted voltage. No manufacturer documents P2E3F or the shutdown logic behind it publicly. If the line is fail-safe, as at the EVCC controller from Watt & Well, where zero loop current or an unconnected input triggers the stop, then a ground short or a break looks like a standing shutdown command and charger B stays switched off for good. The code lets the system tell that wiring fault from a deliberate request. Likely findings are a damaged wire near the charger mount, a corroded or loose pin in the signal plug, or a commanding output stage stuck low. A charger that cannot run is exactly what CARB wants a plug-in hybrid to report. High is P2E40, implausible P2E3E, charger A low P2E33.
What you may notice
  • Charger B never takes part in charging
  • Reduced charging power or no charging
Likely causes
  • LikelyShutdown line of charger B shorted to ground
  • PossibleBroken wire or loose pin in the signal plug
  • RareOutput stage of the commanding module stuck low
Repair
Hard · Usually a job for a workshop.Typical cost: €60 – €2,000

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