Korhex Adds Bosch MD1CS069 MD1CS089 ECU Boot Glitch Unlocking

By | October 21, 2026

Korhex: New Support for Bosch MD1CS069 and MD1CS089.

Flex version 8.26.0.0 is now available

Unlock Bosch MD1CS069 and MD1CS089 ECUs without working on the PCB.

With the latest Flex update, Korhex can now also be used on ECUs installed on commercial and industrial vehicles, accessing the TriCore TC299 processor through a dedicated procedure.

The new solution allows the procedure to be carried out without working on the ECU PCB, simplifying connection operations and reducing working time.

Using the reference positioning mask as indicated in the operating manual, you can identify the glitch point and connect Korhex easily and accurately. Once the connection is established, you can choose whether to complete the procedure directly in Boot Glitch mode or perform the Unlock and then continue programming in Bench mode.

No work on the PCB, fewer steps, and greater operational flexibility.

To use the protocol, an FLS0.20 license or the Flex Full FLS0.5 configuration is required.

 

 

Key Insights:

All Bosch MD1CS069 – TC299

All Bosch MD1CS089 – TC299

Working Mode: Boot Glitch

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

Licenses: FLS0.20M/S – FLS0.5M/S

Connect/Glitch Time: ~ 30 seconds

Reading Time: ~ 2 minutes 30 seconds

Writing Time: ~ 2 minutes

 

Some of the supported vehicles:

  • FIAT Ducato (V) (2021MY) 2.2L MultiJet III 16v 138HP
  • Dr Motor PK8 (I) (2023MY) 2.0L Turbo 16v 134HP
  • John Deere 5G Series (5115G) (2022MY) 3.6L 16v 114HP
  • Massey Ferguson MF 3xx (I) (2023MY) 3.6L 16v 104HP
  • New Holland T5 Series II (2021MY) 3.6L L4 99HP

flex korhex adds md1cs069 md1cs089