2024/2025 Subaru Crosstrek proximity all keys lost, what tool will do?
Autel IM608 II connects fine but says that it does not recognise this version of the module. Failed to read EEPROM data via OBD. Autel suggests reading eeprom of SMT by dump. But it is not able to read RH850.
Here is the clue.
IM608 does not support 2024 crosstrek. The highest it supports is 2021 which should technically cover up to 2023 as its the same exact car as a 2021 but 2024 being a new body.
2023 and under we can use im608 to do reset or just generate analog key and do that way. The 2024 wasn’t even an option on the Autel.
2024- Crosstrek is currently unsupported by OBD for all keys lost by any tool. Autel and obdstar neither are capable of doing a car AKL this new yet.
A few tools can do add key ONLY, i.e OBDSTAR G3.
It’s relatively similar to Toyota smart key in general hardware architecture being based around an RH850 processor.
Smart Pro supports this platform but not AKL on Crosstrek, only Forester & Outback right now for AKL. There’s model specific passwords to read-write memory to enable OBD AKL.
If you read the RH850 directly you can probably recover enough data to emulate an existing key and add new ones but it’s a fair amount of work. Dealer method only requires replacement of smart box and steering lock now so a lot less onerous than it used to be. But then you need the dealer tool to VIN code it and a special programming code from Subaru internal support. The OBD support is being worked on, but it is slow because we need access to smart boxes from wrecked cars, and being such a new model it is rare to find sets for development.
The dealer replaces the SMT modules (Keyless Access Module) when it’s an all keys lost situation.
So if no after market option exists for the immo reset then buying new modules is your only other option.
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