BDM (Background Debug Mode)

Read/Write

low-level CPU debug interface — Background Debug Mode lets you read/write ECU memory directly via dedicated pins. Requires opening the ECU. Needed for some Tricore ECUs.

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Related terms

JTAG
industry-standard chip debug interface Protocol (Read/Write)
specific procedure to access an ECU Bench Flash
reading/writing ECU on the workbench OBD Flash
reading/writing ECU via OBD port (in-car)

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