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OBDLink BLE for Home Assistant
Plug-inSave fuel and engine-light readings on arrival
This integration reads fuel level and the check-engine indicator when an OBDLink CX comes into range of your home Bluetooth proxy. It saves each successful reading with its original timestamp in Home Assistant.
You need Home Assistant 2026.10 or newer and an existing ESPHome proxy that supports active, paired BLE connections. These are arrival snapshots, so the last value can remain after the car leaves. The vehicle's diagnostic modules must still be awake when the capture runs.
- Send car readings to Home Assistant
- Timestamped fuel and MIL snapshots
- Encrypted BLE bonding
- No repeated parked polling
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