this is the error im getting when attempting to read my ecu. Anyone have any info? its a 2001 silverado 4.8 0411 ecu in a hyundai genesis coupe ls swapped. the engine is a 4.8 and i have already tried to verify all grounds and powers. Any other help would be great.
email support and we can try to troubleshoot the issue to make sure its not a hardware/software issue on our end.
It doesn't have to be perfect, it just needs to be done in two weeks...
A wise man once said "google it"
i sent one earlierOriginally Posted by Bill@HPTuners
Are you using the Silverado VIN?
Jaime
Same problem ive cheked everything did you find the issue was it software
86 Chevy C10 4x4 shortbed cammed port and polished heads 5.3 DBW sitting on 35x12.5 r15 km2 muds 350 tranny currently at body shop runs 5s on sand drags
Bagged 77 Chevy custom deluxe stock 4.8 4l60 tranny mirror black paint sitting on 20 inch rims runs 8s on 1/8 mile
MY RACING TOYS MR MAGOO THE TRUCK GUY
Any luck on this? I'm having the same problem, I ended up replacing the ecu with a used one, reflashed it with the factory tune from the old ecu, then when I tried to write a custom tune,same thing happened again.
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