Programming with the DP3

The software of the speedometer adjustment kit do not work only at digital speedometer, it will also allow rolling back the mileage and the hourmeter at motor control units and control devices 

DP3 DiagProg adjustment tool

The intervention in the electronic parts of the odometer can do via interface plug of the car (OBD2), or about the back of the speedometer via plug The dash must be remove out of the car. Sometimes the electronic access is necessary directly via clip at the Eprom or necessary at the processor at the electronic board of the dash or the motor control unit.

A detailed instruction with the declaration of the manuals contains inside of the DP 3 device and a separate manuals CD.
Single examples of the speedometer adjustment for the better declaration are in the menus provided represented later of course and clearly divided. High-resolution photos will show the exact pin assignments during the adjustment of the speedometer or control device.

The vehicles are split in the menu of the DIAGProg3 in car manufacturer, model and date of construction of the cars. If the vehicle which will be programmed is selected, the DP3 will tell, which cable is be necessary for use the dashcalibration. The related suitable picture instruction is indicated. If the vehicle to be programmed is suitably connected according to manufacturer's specification, the actual speedometer adjustment can begin. In this case the version software of the speedometer is displayed in the DP3.


It is not only possible to make a Programming with the DP3 for change the mileage. It  will be possible to make several works like change motohours or service reset.

OBD Diagnostic

Example of an OBD2 speedometer adjustment

Speedometer adjustment about the back of dash

Example speedometer correction cluster-diagnostic

Programming of E-Prom and processor

Speedometer adjustment via EProm and processor