I bought one of the recommended OBD2 dongles when the feature was added. It's an iCar Pro BLE by Vgate. I'm pretty happy with the performance but one thing took me awhile to figure out and is kind of a pain. I can only connect the dongle with ABRP when the dongle is plugged into the car and the car is in Drive. If the car is on but in Park, the ABRP app reports connecting to the dongle (when pairing in the ABRP app) but fails on the last stage of getting whatever information it expects from the dongle. I believe it also fails if the car is in reverse!
The type of car is a Hyundai Ioniq Electric 2020.
Another hassle as a result of this is that if I open the app before putting the car in Drive when the dongle is plugged in, ABRP tries to connect and fails. The only way to resolve this that I've found is to put the car in Drive, unpair the OBD2 dongle, then re-pair it.
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Hi, is this issue solved for you now?
Could it be possible that the Ioniq only transmits OBD data if the car is put in Drive?
Our Opel Corsa-e for example has always a Bluetooth connection to ABRP, even if the car is switched off. But the car only transmits OBD data if it’s powered on.
Yes, that's normal-- the thing that's not normal is that the car has to be in DRIVE. There's some field that ABRP is querying that's perhaps not populated when the car isn't in drive, even though the OBD2 dongle can get data from the car when it's merely ON.
So to summarize:
OFF: No data from the OBD2 dongle
ON, PARK: Data from the OBD2 dongle, but ABRP won't connect
ON, REVERSE: Data from the OBD2 dongle, but ABRP won't connect
ON, DRIVE: Data from the OBD2 dongle and ABRP works as expected
Could be related to the dongle too. I tried this in an Ioniq myself with another dongle and did not have any issue. Do you have another dongle you can try this with?