The dealer did not reinstall my original ECM. I now have it back in and it took the flash.
Feel free to delete this thread unless you think it could be helpful to others.
Phil
Type: Posts; User: abeth; Keyword(s):
The dealer did not reinstall my original ECM. I now have it back in and it took the flash.
Feel free to delete this thread unless you think it could be helpful to others.
Phil
Hello,
I just had my 09 Chev 2500hd at the shop getting diagnostics done on a weird ignition problem which they have yet to resolve. While they had it they reflashed my ECM and also tried another...