This works for 05 Reg 2.8HDI Switch Ignition on (Do not start engine) Set Odometer to read total miles using the odometer button after the initial diagnostics have finished. Press and hold the Odometer button (OB) until the display reads CFG1,2 or3. ( These settings set the service intervals. CFG1 sets the longest distance between services and CFG 3 the shortest) Repeatedly pressing the OB briefly will change the CFG until the desired value is showing. Press and hold the Odometer button (OB) until the display reads the total milage again Turn off the ignition. I think the the CFG values are as follows: CFG1 : 20,000Miles or 2 Years CFG2 : 12,000Miles or 2 Years CFG3 : 10,000Miles or 2 Years I use CFG1 for the 2.8HDI It would appear that the same proceedure works for the Fiat Ducato as well.
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