Question:
Pcmtuner flash can’t identify the VAG PCR2.1 ECU. Checked with Flex and ECU Is already unlock,but pcmflash with module 57 and Its pinout can’t identify and read.
Answer:
module 57 is OBD you cannot do on bench!
PCMflash does not do OBD on bench – the module is OBD as in ecu must be fitted to car
this ecu comms is via vehicle CEM unit and dash board.
try BSL mode here:
http://www.pcmtuner.org/pcmtuner-vag-simos-pcr2-1-unlock-instruction/
or use foxflash, it will read/unlock pcr2.1 via OBD or bench.