I have a 2005 dmax and when i load hp tuners and it goes to copy my stock tune right around 70% when it is copying the transmision calibrations it kicks me out and reboots. I cant get it to downlaod the stock tune with out it locking me out and saying timed out.... any ideas?

have you tried unplugging the TCM and doing a read?

Or have you tried reading at low speed?

ill try and unplug the tcm... i tried low speed... thanks

any luck?

ya i ended up removing the sku fuse and it went through, thanks for the help

what is the sku fuse? sorry for sounding like a newb but would like to know for future reference.