Powertrain, generic (extended)

P2E53 Battery Charger Coupler Temperature D Too High

Check engine lightUsually off

EmissionsNot relevant

Drive cycleNot required

Limp modeNo

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.

Likely causes

SOBDM software misjudging DC fast-charge heating (Ford SSM 55080)

Worn or contaminated DC pins in the station plug or the inlet

Very high charging current in hot weather

Heat-damaged inlet contacts needing a new charge port

Symptoms

DC fast charging stops at level 3 stations
AC charging at home or level 2 still works
Charging power reduced during fast charging

Repair estimate

DifficultyShop_onlyWorkshop job

Parts and labour€0–1,500

Time0.5–3 h

Typical range across vehicles; the real cost depends on what the testing finds.

Parts involved

charge port temperature sensorcharge porton board charger

References: static.nhtsa.gov, static.nhtsa.gov, image-ppubs.uspto.gov, osti.gov.