Problem:
2020 Toyota c-hr all keys lost. The customer had purchased one key from dealer. Programmed it with autopropad no problem!! And works fine. Then he asked if I could do a second key and I only had universal xhorse xm38 Toyota so I when and added second key! Now the car took the fob and it show same readings but it only works the remote part not the immo like if the key wasn’t programmed, I’ve already tried messing with the frequency and proximity power nothing changes. The car show 2 fobs programmed but only the oem works, any advice??
Solution:
1).
Frequency issue.
Easy just change the frequency to 314.50 on all frequency options after programming it to the car. Worked for me. Also there are two options for C-HR.
2).
The same thing happened to me a couple of days ago Toyota C-HR 2019 generates the remote PCB 0010 of frequency 314 and there was no proximity I increased intensity and tried everything nothing worked, and so as the key was I put it in the device and generates the PCB 0410 frequency 315, after that the key worked proximity and everything perfect I do not know why but I did not have to do again the add key because so no more already worked the key.
Better use original key for most of them if it is A9.
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