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EV Charger Error

Ambient Temperature Too High

Updated March 2026

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This is general guidance based on the ChargeX MREC standard. Actual charger behavior varies by manufacturer and firmware version. Always follow on-screen instructions and contact the charging network if you are unsure.

Warning

The temperature around the charger is too high for safe operation. In extreme heat, chargers derate (reduce power) or shut down to protect their electronics.

What to do

  1. Charging may continue at reduced speed
  2. If the charger shuts down completely, try again later when it is cooler
  3. Look for a charger in a shaded area
  4. This is not your vehicle's fault

Who's responsible?

  • This is likely a charger hardware issue

Technical details

Error code
AmbientTempHigh
Category
Thermal
Classification
safety
Source
ChargeX MREC Standard (2023)

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