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Autotuner has released an OBD protocol for the Bosch EDC17CV41 ECU, and it is marked Beta. The ECU is the one found on a large run of Iveco, FPT and CNH powered machines, and the new protocol lets our tools read and write it through the diagnostic port without taking the ECU off the machine. Because it is a Beta release, treat it with care: Autotuner is asking workshops for feedback, so keep an original backup and do not rush it onto a customer’s machine without a plan.
Which ECUs
The release covers the Bosch EDC17CV41 (TC1797 processor) in OBD Normal Read mode, using the New Holland OBD cable (ATOBD200). Autotuner quotes a read time of about 2 minutes 15 seconds and a write time of about 1 minute 45 seconds, with checksum correction handled by the tool. The source does not list production years. Engines are FPT, Iveco and CNH units from 4.5 litres up to 15.9 litres, plus a 20.0 litre V8.
Machines this opens up
The source lists a long set of applications. The main ones are:
- Case IH tractors: Magnum 180-380, Puma 140-240, Maxxum 115-150, Optum 250-300, Steiger and Quadtrac 370-620, Farmall 100A/130A/140A. Case IH combines and sprayers include the Axial-Flow 5140 to 9250 and Patriot and Titan models.
- New Holland tractors: T6.110-T6.180, T7.165-T7.315 HD, T8.320-T8.435, T9.435-T9.700 and TS6.120-TS6.140. Combines and harvesters include CR 5.85-10.90, CX 5.80-8.85 and FR 480-920.
- Claas Arion 410-460 and Axion 800-870 and 950, Steyr Profi, CVT and Terrus, Landini Serie 7 and Powermax, McCormick X7.6 and X8, Merlo, Dieci, Agrifac Condor, Bourgoin and Guaresi.
- Forestry: Tigercat feller bunchers, skidders, forwarders and harvesters, Logset forwarders and harvesters, Sampo Rosenlew FR28 and the John Deere 1270G.
- Construction: Doosan DX140 to DX340 excavators and DL200-5 to DL300-5 wheel loaders.
- Trucks: Iveco Stralis and Trakker (Cursor 13), Eurocargo 6.7 litre, and Isuzu N-Series NPR/NQR/NRR 3.0D.
Check the exact model and engine against the full Autotuner release before quoting a job.
What it means
For machine owners, the point of a calibration on this ECU is usually torque delivery low in the rev range, fuel burn and work rate rather than a headline power figure. An OBD route also means less downtime than pulling the ECU, which matters in harvest or when a loader is earning its keep.
For dealers, turnaround is the benefit: read and write in the field without bench work. Because the protocol is Beta, plan for the unexpected on expensive machinery. See the Autotuner tool page, our file service, or talk to us about a specific machine.
