You really shouldn't have to disable the checksum for chip burning. When you save the file, TunerPro should update the checksum for you.
Disabling the checksum prevents the ECM from "verifying" the binary file on the chip. Normally, it looks at the checksum to verify that the binary file is not corrupted.
Familiar with 1227747 and 16197427 PCMs
I think the reason for AA to disable checksum while Emulating is because your changing the bin live...
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
-= =-
87 4Runner, 15" spring lift, 3" body, chevy vortec 355, 5.29 gears, 38.5x15.5x15" Boggers, 280hr, 16168625 running $0D
93 S10, 36x12.5x15 TSL's, custom turbo headers, 266HR cam, p&p vortec heads, $0D Marine MPFI with 8psi boost.
05 Silverado, 2' lift, 4" exhaust, Bully Dog programmer,
Moates has instructions on their website. If you need more than that start a thread and I'll try and help.
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
-= =-
I only change it to AA on that chip to make sure it wasn't a check-sum fault that was causing my blinking CEL. when putting the 8747 bin in my 7747 to see if it would work. it didn't.
1993 RCSB 1/2, 350/4l60 Eaton locker 3.42-1. Drag truck ET 10.84 1/8mile. Build Thread
1989 V2500 Suburban 350/th400, 4.11 gears, Tow truck, needs TBI 454 swap. Build Thread
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