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Old 10-30-2002, 11:40 AM   #1
ScoobieSnaX
Scooby Specialist
 
Member#: 10844
Join Date: Oct 2001
Location: location, location...
Vehicle:
2004 Acura TL Navi
Pearl

Lightbulb FYI: Invalid Checksum (UTEC Map corrupt)

Greetings,

Not sure if any of you out there have attempted to modify a UTEC map file with notepad yet or not but if you do, the file will become corrupt.

The end of the file contains a checksum calculation of all Fuel/Timing/Boost (and name/comment) values. The UTEC creates this checksum value then truncates the HEX value to a 16-bit number.

If you'd like to modify a map file without being connected to the UTEC, stay tuned for the UTECLogger software which should be released this Friday afternoon.

Thanks,

Jason
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