Jaguar
Overheating of Cable or Internal Connections
Charger or cable becomes unusually hot to the touch during normal charging, but no error is displayed.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Undersized supply conductors, Loose terminal screws in Jaguar wallbox, Worn or oxidized contacts in Type 2 connector, Continuous operation at maximum current in high ambient temperature
How to Fix / Troubleshooting
Safety first: Overheating can lead to fire. If surfaces are too hot to touch comfortably, stop using the charger immediately.
- Step 1 – Reduce current: In the Jaguar app or settings, temporarily reduce the maximum charging current (e.g., from 32 A to 16–20 A) and observe if temperatures improve.
- Step 2 – Inspect plug and socket: After a session, unplug and check the Type 2 connector and vehicle inlet for discoloration or melting. Replace the cable if damage is found.
- Step 3 – Tighten terminals: With power OFF, open the wallbox and retighten all line, neutral, and earth terminals to the torque specified by Jaguar.
- Step 4 – Check cable rating: Confirm that the installed supply cable size meets Jaguar and local code requirements for the configured current.
- Step 5 – Replace overheated parts: Any discolored or deformed terminals, contactors, or connectors should be replaced.
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Repair Difficulty
Hard
4/5
Required Part
Jaguar Type 2 Cable / Internal Power Terminals
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