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Post your tune file.

Do you have a log?

Sounds like your 2 - 3 shift MPH is set too high.

Thanks everyone for the suggestions, it ended up being a map sensor wire that was causing the problem. Replaced the connector and all is good. Can anyone recommend a good Gen V remote tuner?

Did some more testing today and I put the ECU Torque Model settings back to stock. Car ran the same. I put the Torque Model tables back to the way they were and then thought hmmmmm, let me turn off...

TheMechanic - How do I force the ECU to take the update even though it says it has it?

Sevinn - I will try what you suggested.

Ok, I updated the TCM and everything else that needed updating with the latest GM software today. I tried updating the ECU but it says that I already have the latest software.

I copied and pasted...

I replaced the ECU and had the GM Software updated. The TCM was untouched. I will get the ECU and TCM updated with the latest GM software and see if that will resolve my problem. Can anyone explain...

Here is a log I did of a wot run when it went into limp mode.

Ok. I just tried that and it didnt resolve the issue. I cant even go 1 mile down the road without the REP coming up. It takes 3 to 4 tries to clear the P16f3 code. Once its cleared I drive about 700...

Wondering if anyone can help me out with this. 2016 Corvette with LT1, 8 Speed Auto, A&A YSI-B Blower with Alky Meth, Headers, Catless Xpipe, BTR Cam.

Every time I go WOT the car will go into limp...

Looking for a experienced and reasonably priced tuner to tune Gen 4 & 5 cars on a ongoing basis. Preferably someone who likes to use team viewer or any remote software for realtime tuning. Emailing...

2016 C7 Corvette

I could use some help. New to HP Tuners. If I just wanted to adjust my idle would I only have to make changes to Engine/Idle/ Base Setpoint tab? Will I have to make changes anywhere else as well?
...

Thank you :)

Fairly new to HP Tuners and I am wondering if anyone can help me. I want to do a TCM read but not sure how to go about it. Is the TCM and ECU 2 different files or is it the same? Can some one help by...