Obdaryn

P2E53Battery Charger Coupler Temperature D Too High

  • Generic OBD-II code · Powertrain
How the car detects it
P2E53 means measuring point D in the charging inlet reports a contact that is too hot, and charging is throttled or halted. Ford documents this exact code in SSM 55080: on Mustang Mach-E built up to 25 June 2023, E-Transit 2022-2025 and F-150 Lightning 2022-2023, DC fast charging can stop with P2E53:27 and/or P0EEE:27 in the SOBDM. The 27 is the J2012 subtype for a signal changing faster than allowed. Ford blames SOBDM software, says a new charge port will not help, keeps AC charging available and expected a fix in Q3 2026. That differs from SSM 51866, where P0E5F at 48 A AC led to a new charge port. A Ford patent (US10377264) describes the port sensor feeding the charger, which derates or shuts down above a threshold. A DOE report cites 90 to 100 °C contact limits. Circuit faults of sensor D are P2E4F to P2E52.
What you may notice
  • DC fast charging stops at level 3 stations
  • AC charging at home or level 2 still works
  • Charging power reduced during fast charging
Likely causes
  • LikelySOBDM software misjudging DC fast-charge heating (Ford SSM 55080)
  • PossibleWorn or contaminated DC pins in the station plug or the inlet
  • PossibleVery high charging current in hot weather
  • RareHeat-damaged inlet contacts needing a new charge port
Repair
Workshop only · Usually a job for a workshop.Typical cost: €0 – €1,500

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