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simppeliTCU
FirmwareGive a LEAF ZE1 local climate and charging controls
simppeliTCU runs on a LilyGo T-2CAN fitted to a LEAF ZE1’s telematics wiring. It reads charge level and cabin temperature and offers climate start/stop and charging start through a local web page or MQTT.
Installation needs custom wiring, a protected power supply and Wi-Fi coverage. Its HTTP controls have no login, and MQTT encryption does not verify the broker’s identity, so use an isolated trusted network. Removing the original TCU from CAN can record fault codes; standby power use also needs checking.
- Keep access after connected services end
- Control the car from your own apps
- Local browser controls
- MQTT telemetry
- Home Assistant discovery
- Optional lock controls disabled by default
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