VAG Group Bosch MDG1 with Korhex

New Korhex Access for VAG ECUs

New possibilities for VAG group MDG1 Bosch ECUs: Flex version 8.27.0.0 expands Korhex support to VAG group control units equipped with TC298 and TC299 processors.

Already supported through VFI – Voltage Fault Injection technology, these Bosch MDG1 control units can now also be unlocked using Korhex, following a procedure that reduces intervention times and avoids working directly on the PCB.

With the new Flex protocol, once unlocked the unit, the technician can proceed with read and write operations directly in Bench mode, simplifying the programming process further.

In order to use the new protocol, an FLS0.20 Boot Glitch license or a Flex Full FLS0.5 configuration is required.

Key insights

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• VAG Bosch MG1CS002 H80 – TC298

• VAG Bosch MG1CS008 – TC298

• VAG Bosch MG1CS031 H80 – TC298

• VAG Bosch MD1CS004 H80 – TC298

• VAG Bosch MD1CS014 – TC299

  • Working Mode: Boot Glitch

  • Memories: Read/Write/Checksum Internal Flash, Read/Write Internal EEPROM, Full Backup

  • License: FLS0.20M/S – FLS0.5M/S

  • Connection: ~30 seconds

  • Reading Time: ~2 minutes 30 seconds

  • Writing Time: ~2 minutes

Some of the supported vehicles

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• Audi SQ5 (II) FY (2021MY) 3.0L V6 TDI 24v MHEV 336HP

• Audi RS5 (II) F5 (2022MY) 2.9L V6 Twin-Turbo 24v 444HP

• Cupra Formentor (I) SE316 (2021MY) 2.0L TSI 16v 187HP

• Lamborghini Urus S (I) (2022MY) 4.0L V8 Twin-Turbo 32v 657HP

• Volkswagen (VW) Golf (VIII) (2021MY) 2.0L TDI 16v 197HP