Hondata

Hi Thank you for the replies.
I believe my car battery was just low because after retrying with a laptop connected it worked.

The first time I tried to program the tune, the program light came on, but then the power light turned off and turned back on after a few seconds, then the program and power light turned off.
After all that the program failed and the car will no longer start (unprogrammed ecu?)
When plugging the ...