https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/Unable-to-use-External-mode-on-S32K-controller-using-Simulink/m-p/2304076#M10617 <P>I am facing an issue with Monitor and Tune feature of Simulink on NXP S32K144 Controller.<BR /><BR />I could build and flash the same model using Embedded Coder on the controller, but with external mode I am unable to build the model.<BR /><BR />I am getting "<STRONG>region `m_flash_config' overflowed by 16 bytes"&nbsp;</STRONG>error.<BR /><BR />I have attached the error log file below.<BR /><BR />If anyone has any idea on how to resolve this issue, please suggest.&nbsp;</P> Sat, 31 Jan 2026 06:51:02 GMT ashutoshsahu 2026-01-31T06:51:02Z https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/Unable-to-use-External-mode-on-S32K-controller-using-Simulink/m-p/2304076#M10617 <P>I am facing an issue with Monitor and Tune feature of Simulink on NXP S32K144 Controller.<BR /><BR />I could build and flash the same model using Embedded Coder on the controller, but with external mode I am unable to build the model.<BR /><BR />I am getting "<STRONG>region `m_flash_config' overflowed by 16 bytes"&nbsp;</STRONG>error.<BR /><BR />I have attached the error log file below.<BR /><BR />If anyone has any idea on how to resolve this issue, please suggest.&nbsp;</P> Sat, 31 Jan 2026 06:51:02 GMT https://community.nxp.com/t5/Model-Based-Design-Toolbox-MBDT/Unable-to-use-External-mode-on-S32K-controller-using-Simulink/m-p/2304076#M10617 ashutoshsahu 2026-01-31T06:51:02Z