Uprev tune, now cruise control not working

PW370z

Hey guys. I got my car tuned on 10/20/16 with Uprev. Yesterday was the first time I tried using cruise control since I got the car tuned, and it isn't working. I haven't done anything else to the car since it was tuned. Before tune it worked fine, not it isn't working at all. Is it normal that the cruise control won't work anymore because of the different maps which are changed with the cruise control? I tried several times with the car in 6th gear (6MT) between 55-70mph. The cruise control light will come on in the dash (no blinking or anything) when it is turned on. Any ideas?

P.S. - I tried searching around but couldn't find any info on this exact issue.

Thanks!

lj909

Best thing to do probably is call your tuner and see if he disabled something, have him look at the tune file.

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PW370z

Thanks man.

I tried calling the tuner earlier today, before posting this thread. They are in the middle of switching locations, so they are had to get a hold of at this moment in time. I figured I would start a thread to get some ideas in the meantime.

DEpointfive0

You answered your own question.

If you have different maps that change using the CC button, you lose your CC

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prescott3656

I can change maps on the fly and my CC works without issue so i agree, check with your tuner.

DEpointfive0

Hm... I was unaware...

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PW370z

As soon as I can get a hold of the tuner, I will post what he says.
Thanks again guys!

Trips

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this....

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Wilson2608

Do you have the ARC features or just the tune? I know there are some small kinks with the ARC features so maybe that has something to do with your issue. On my car it won't let me change at what rpm I can 2 step launch from, it's kinda annoying lol. I would check with your tuner

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seymore4

Using the map switching feature has ZERO impact on the cruise control, it should still work exactly like before. If you got the ARC features as well it is possible that there is a bug that needs to get ironed out, but I haven't heard of anyone losing cruise completely.

Another possibility is that the tuner flashed your ECU with a rom that was from a Z without cruise.. so now your car thinks it doesn't have cruise either.

Long story short, get ahold of the tuner.

PW370z

Hey guys. Finally went and saw my tuner today. (Alex at Real Auto Dynamics is the one who tuned my car. Great guy, great tune, and friendly, helpful staff.) My car was definitely tuned with a ROM for cruise control. Alex went through all the maps, then test drove it, but the cruise control still wasn't working. He then flashed the ECU back to stock, and the cruise control wasn't working after that either. He also called UpRev and spoke to the head tuner there to try and get some ideas/solutions, but to no avail. I can't say enough about the shop and staff at R.A.D. Great guys and I would recommend them!

It just happens that my cruise control coincidentally stopped working after I got tuned. I didn't even try using my cruise control for over 2 months, after getting tuned, so I can't honestly say when it stopped working - I just figured it had something to do with the tune. Anyone else know what else I can check? Like I stated in my first post, when you press the cruise control light, the light illuminates on the dash, but when you try to set it, nothing happens. I don't think it's the buttons for the cruise control, as they work when changing maps. Thanks again for all the help guys!!!

Jayhovah

Clutch/Brake switches maybe needs adjustment?

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osburnrs

Have you changed brake pads to a more aggressive bite?


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PW370z

Actually I have. I changed the stock pads and rotors to Z1 Motorsports 1-piece slotted rotors and SS brake lines, along with a new set of Hawk HPS pads.