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View Full Version : Looking to downgrade pcr2.1 to pre dieselgate update


teerak2uk
19th October, 2019, 03:05 PM
ecu is currently 03L997557P 9980
what would be suitable or best file version to use

many thanks
jaxone
22nd October, 2019, 12:55 PM
Send me VIN by PM and I will send you the right pre nox software.
ohkarol
22nd October, 2019, 01:08 PM
​9978 is the lowest version
jaxone
22nd October, 2019, 01:24 PM
​9978 is the lowest version

VIN will tell
brobble
22nd October, 2019, 02:35 PM
FL_03L906023ML_9971.frf is the last version pre dieselgate.

Good luck.

Greets MR...
teerak2uk
22nd October, 2019, 03:49 PM
FL_03L906023ML_9971.frf is the last version pre dieselgate.

Good luck.

Greets MR...

smaller than an obd read is that normal?
ohkarol
22nd October, 2019, 04:51 PM
smaller than an obd read is that normal?
yes , frf is like a packed file
jaxone
22nd October, 2019, 08:02 PM
Yes, before dieselgate you need to flash 03L906023ML , checked by VIN.
The FRF you falsh with ODIS or Vag Can Pro and you NEED to flash FRF else you will end up with some immo problems.