As you can see there is two different number #26 one for MY02 and one for MY03.... May be your dealer made a mistake....

 

the one you have is for 03 and up i actully have the one you need for 01 the plugs on the side kind of looks like a mini usb plug do you wanna do a trade cuase i need that one and the new verion of durmetric has the function to calibrate the sensor pm me ur number

 

i really don't know , they are really stupid and im pissed off from them so i came here , i really need a help