2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 177Get this manual

2012 Sportsman 400/500 and EFI Tractor Service Manual 9923412, Page 177

500 EFI FUEL SYSTEM Engine Controller Reprogramming (Reflash) Process Overview The reprogramming feature is in the Special
run! Replacement ECUs are programmed as "no-start" and require reflash for them to workReprogramming (Reflash) Tips: BATTERY
VOLTAGE: The majority of problems with reprogramming can be attributed to low batteryBe sure the battery voltage (no load)
is at least 13 volts and at least 12.5 volts with the key ON'Connect battery charger if necessary to bring voltage level
above minimumFully charge the battery before you attempt to reprogram DEDICATED LAPTOP: Best results are obtained using laptop
computer that is "dedicated to Digital WrenchTM"A laptop that is used by variety of people and in several applications around
the dealership is more likely to cause reprogramming problem than one dedicated to Digital WrenchTM diagnostics only OBTAINING
THE LATEST UPDATE: Reprogramming updates are provided periodically and contain the most recent calibrations (see "Digital