Well, it's definitely not your tuner lol. Seb is the best there is.
Good luck sorting out the issue. I'd check wiring per SouthArk's suggestion.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |