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Solved ✔ PCF7953 434mhz no remote after key renewal
05-11-2022, 05:06 AM,
Post: #1
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PCF7953 434mhz no remote after key renewal
I successfully exchanged F30 FEM with one key working 434mhz
I decided to make 2nd key, the used key is PCF7953 HUF5663 434mhz I used its file and wrote it with vvdi prog. Learnt in car, ignition started but no remote function. I refreshed it again with same file, result no Refreshed with another file with the same frequency huf7673 as I remember, same result I even tried another original used key, its the same. I searched alot online but the answers were random, some said it will work after enabling with ista, others said it needs a certain refresh file because the pcf file is too old, and others said it’s impossible and go buy a new key. I read the transponder of these two keys, and another pair of a different car I found out that there are 3 lines can’t be erased from the EEPROM, whatever i do or erase, these 3 lines remain present, they are not in eeprom or errom VIRGIN files, or even in the working keys, that was my notice.
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05-11-2022, 06:14 AM,
Post: #2
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RE: PCF7953 434mhz no remote after key renewal
Even with new keys I had problem lately. New key(aftermarket) I made can start the car, frequency is correct but no keyless or remote function. Maybe a different issue than yours, CGDI advice to remove a part from their key. I have yet to try it.
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05-11-2022, 06:26 AM,
Post: #3
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RE: PCF7953 434mhz no remote after key renewal
(05-11-2022, 06:14 AM)pepsicola Wrote: Even with new keys I had problem lately. New key(aftermarket) I made can start the car, frequency is correct but no keyless or remote function. Maybe a different issue than yours, CGDI advice to remove a part from their key. I have yet to try it. I have this same issue From my research the issue is in EEPROM file we use, there must be another file or different erasing technique.
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05-11-2022, 10:56 AM,
Post: #4
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RE: PCF7953 434mhz no remote after key renewal
(05-11-2022, 05:06 AM)Mwahab Wrote: I successfully exchanged F30 FEM with one key working 434mhz how many key in the car ? If I helped please press rep + thanx, it is encouraging
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05-11-2022, 14:13 PM,
Post: #5
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RE: PCF7953 434mhz no remote after key renewal
2 Already enabled, and the one i am trying to add is the third one.
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05-11-2022, 16:35 PM,
Post: #6
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RE: PCF7953 434mhz no remote after key renewal
I read somewhere that key position 1&2 are the only keys for remote functionality.
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05-11-2022, 17:16 PM,
Post: #7
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RE: PCF7953 434mhz no remote after key renewal
(05-11-2022, 16:35 PM)TheNine90 Wrote: I read somewhere that key position 1&2 are the only keys for remote functionality. Thats for E series not on F series.
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05-11-2022, 23:20 PM,
Post: #8
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RE: PCF7953 434mhz no remote after key renewal
Solved. thank you all
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06-11-2022, 02:13 AM,
Post: #9
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RE: PCF7953 434mhz no remote after key renewal
Don't forget press and , if my post helped you.
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06-11-2022, 12:33 PM,
Post: #10
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RE: PCF7953 434mhz no remote after key renewal
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