Acura 3.5L Speedometer Calibration

This page contains information on how to roll back or calibrate speedometer on Acura 3.5l (1997) manually. You will need our TachoSoft Mileage Calculator and serial programmer. 

In Acura dash the mileage is stored in 93c46. You need to program both chips! Don't use the same file to program both chips. They are not the same.