Read and write VW Golf MD1CS004 HW80 with AutoTuner successfully.
Model: Volkswagen Golf 2020 VIII
ECU Type: Bosch MD1CS004 HW80
Mode: OBD VR
Not every HW80 can be read. There are still some bootloader which are locked.
Important note :
After unlocking the ecu it will throw an error.
What to do:
Don’t ever switch ignition OFF ( KEEP IT LIKE IT IS)
Then u just choose same file and reflash.
autotuner will tell „ecu already unlocked“ and will flash straight away.
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