Engine code identification for ECU work: learn where to find it, how it differs from VIN and ECU numbers, and which references ensure accurate file matching.

Engine code identification for ECU work: learn where to find it, how it differs from VIN and ECU numbers, and which references ensure accurate file matching.

Full ECU backup explained: compare calibration, virtual and complete reads, understand supported memory areas and preserve verified data for recovery.

.bin, .ori, .mod, “full read,” “full backup” — what the ECU file terms actually mean. The raw binary, the precious original, the modified version, and why completeness and clear naming matter.

ECU manufacturers explained: identify Bosch, Continental, Delphi, Marelli, Denso and other controller families using exact hardware and software references.

Continental ECU guide to Siemens VDO, SID diesel, PCR2.1, EMS and SIM/SIMOS petrol families, with practical identification and backup guidance.

Bosch MED17 MG1 guide covering petrol ECU generations, identification, reading methods, protection, backups and safe file matching for workshops.