Tacho pro 2008 failed to adjust Km for Toyota Corolla C46 (fixed)

One of our customer failed to read eeprom when adjust mileage for his Toyota Corolla. He has Tacho Pro U2008 odometer correction tool in hand. Here is the solution provided by OBDII365.com engineer.

Adjusting KM for Corolla procedure he carried out:

Select car model: Corrolla

Select car type: C46

Select function: Read EEPROM

Cable connection as below:

Solution：

1. Check if your cable connection is correctly
2. You should choose “Adjust KM” function option instead of “Read EEPROM” if you need to change KM with tacho pro.