Hondata

Second time, flashed to stock but this time went for longer drive. The errors went away. When I returned I was able to reflash with my calibration. Problem resolved. Thanks for your support!

Already tried returning the ECU to stock and the errors persist. It acts like the flash never stops there's no clear indication of when it is done. Some major differences from the previous version 3.4 to 3.6. Just about every system rolls through the dash as erroring. Not even the economy mode will ...

Uploaded from flash pro to my 2018 Honda Accord 1.5 now failures for tpms, emission system, brake system, stability etc show on dash. Have reupload from PC to hondata then to car a dozen times. Bout to take car into dealer. Is this from the last zflashpro update? Help!

Hi Shim,

The difference between your tire sizes is only 4/10". Your 17's are 25.9" OD and the 18's are 26.3". Looking through the 2018 Accord file I don't see anywhere to adjust for speedo accuracy like in older ECU's. Not sure how accurate these online conversion calculators are, but it shows a ...

Hi,

I'm looking for a little help in re-calibrating for different wheel size. I replaced the factory 225/50R17 on my 2018 Honda Accord 1.5L LX with 235/45R18.

Could anyone suggest what I need do to re-calibrate for the different wheel size? I imagine my speedo might be off and so would the fuel ...