OBD Flash

Read/Write

reading/writing ECU via OBD port (in-car) — Reading/writing the ECU via the OBD2 port without removing it. Faster but locked to fewer ECU regions on modern cars.

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Related terms

BDM (Background Debug Mode)
low-level CPU debug interface JTAG
industry-standard chip debug interface Protocol (Read/Write)
specific procedure to access an ECU Bench Flash
reading/writing ECU on the workbench

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