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    • GM Group Gen2 Delco Exx on Flex
    November 24, 2025

    Newsletter

    Monday, 03 November 2025 / Published in Flex Updates, Updates SW

    GM Group Gen2 Delco Exx on Flex

    OBD Programming with Bench Unlock for GM Group Gen 2 Delco Exx on Flex

    New Flex update, version 7.37.0.0, introducing support to GM Group Gen2 Delco Exx on Flex, compatible with Delco E41, E46, E88, E90, and E93 (Global A) models.

    Programming procedures are carried out in OBD with Bench Unlock, ensuring the highest stability and safety in every step when communicating with the control module.

    Flex automatically identifies memory areas available for reading and enables Read Maps buttons (to access the calibration area) or Read Maps&Code (to access both the calibration area and the Application SW area).

    Moreover, the virtual read can be downloaded directly from Magicmotorsport servers, thus optimizing working time and improving the intervention, depending on file availability.

    With this new update, Flex extends compatibility further, with new generation Delco ECMs and, as an exclusive, it allows unlock and writing operations with no additional costs, everything is included in your subscription.

    Some of the supported vehicles:

    • Chevrolet Silverado 2500 HD (GMT1HC) 6.6L Duramax V8 451PS
    • GMC Sierra 1500 (GMT1xx) 3.0L Duramax I6 281PS
    • Opel Astra (K) 1.4L Turbo 150PS
    • Chevrolet Silverado 1500 (GMT1xx) 5.3L Ecotec3 V8 360PS
    • GMC Sierra 3500 HD (GMT1HG) 6.6L V8 407PS

    This new protocol is available for the following software packages:

    OBD

    • FLS0.1M – SW Flex ECU (car, van, bike) OBD/Bench Master
    • FLS0.1S – SW Flex ECU (car, van, bike) OBD/Bench Slave
    • FLS0.5M – SW Flex Full Master
    • FLS0.5S – SW Flex Full Slave

    Newly added protocols:  

    (OBD)

    • GM Delco E41 MPC5676 Virtual Read, Read/Write/Checksum Calculation Maps, Read/Write/Checksum Calculation Maps&Code
    • GM Delco E46 MPC5777 Virtual Read, Read/Write/Checksum Calculation Maps, Read/Write/Checksum Calculation Maps&Code
    • GM Delco E88 MPC5777 Virtual Read, Read/Write/Checksum Calculation Maps, Read/Write/Checksum Calculation Maps&Code
    • GM Delco E90 MPC5777 Virtual Read, Read/Write/Checksum Calculation Maps, Read/Write/Checksum Calculation Maps&Code
    • GM Delco E93 MPC5777 Virtual Read, Read/Write/Checksum Calculation Maps, Read/Write/Checksum Calculation Maps&Code

    Reading Time : MAPS ~ 40 minutes, MAPS&CODE ~ 3 hours

    Writing Time : MAPS ~ 1 minute and 40 seconds , MAPS&CODE ~ 5 minutes

    Click here to discover the full list of supported vehicles.

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