How can i check to make sure i put the bypass on the right way? Haha might as well check! For me its like the boost guage is glued to 0. Wont move no matter what. The pcm says my last name on it... now the car wont turn over and no security light once again with new pcm in. Any solutions to either getting security light on, or finding why i have no boost, or why the speedo isnt working... anyone? So far no luck and i must say its frustrating as ****

 

take the bypass, unplug it, swap the little hoses, and try to turn it on, and does it keep you at no boost and no speed with your old pcm in?

 

K iif i ever get this damned new pcm to work (seems like i wont) ill try that. Idk aboyt speed (didnt want to drive since i have bigger injectors) but the boost stayed glued at 0

 

i wouldnt drive it with the stock pcm.

when u had the new one plugged in, were u sure u had it plugged in tightly and correctly? i know there is only one way, but if its not on there good, could cause no crank. also a vacuum leak would not cause no crank with the diff pcm.

 

If I were you and save all of your hassling time is send new PCM back. Send them your old PCM, have them tune it. But I would rather get local tuner to tune your car. Cause it's way better and that way they can dial in to get your car where you want it to be. You need to be patient and research more to get what you want for your car. That is what I am doing, in order to get your local tune your car. You will need O2 Wideband in your car first. So they can get actual Air/Fuel reading then it's good to go. That is the best advise that I can give you.

 

and thatttt is exactly why i have not gotten a custom tune yet. As of right now, I do not have the money for a wideband and a custom tune. I know where i am going to get the custom tune when i do, but for now the ZZP one will do. I hate it when people come out and say stuff like this as a solution to a problem like mine. I see it on every single post where someone is having an issue with the ZZP pcm and it annoys me quite a bit. Don't get me wrong, i appreciate you taking the time to chime and do find your opinion valuable, but people are in my situation for a reason, and we are looking to end our frustration in ways other than dumping a ton of money this instant and getting a custom tune. Not to sound aggressive or anything, it just bothers me as i have read a lot of posts similar to this one that never have a real solution because all people can advise is to get a custom tune.

 

yes it is in correctly, the first time i put it in, it wasn't lol, but now i am sure i have it in correctly, and will not crank and has no security light on :/ . is there a chance that the pcm not being plugged in correctly was what was causing the speedometer and the boost gauge to not move at all?

 

I am curious, did you upgrade your fuel injectors ? Cause I did talked with ZZP that I want to upgrade my fuel injectors from 42lbs to 60lbs. ZZP said it will be hit and miss, they advise me to bring my car in person. That way they can get my car dial in more. But the thing is they are 5 1/2 hours away from me. But I did found my local tuner and I will go from there after I get my Wideband install first. From what I had research that some Cobalt guys not happy with ZZP PCM cause it's a new 1. Maybe it's best to use your old 1 and see what happen? I dunno, maybe I am wrong or right. But my opinions is use your own PCM and send it to them then get it back. See what happen from there?

 

this horror story is freakin me out. i have their tune on a new ECU as well - we shall see wat happens.

 

did you ever get the CASE relearn for the code you got?

 

Should still be able to idle before the relearn, at least thats been my experience.

 

I did not get a case relearn. Was unable to contact a dealership as it was sunday. For the case relearn, can i just take the pcm to a dealership? Do i need my car?
Yeah mine wont even make the sound of it trying to turn over. Turning the key does absolutely nothing..

 

BECAREFUL with Dealership! Cause they can wipe out the tuning that you got in PCM. You must tell them just Case Relearn that's it. I think it is STICKY!

 

You did hook the battery back up?

 

haha yes, i hooked the battery back up.

 

Is it the original battery? When my battery died on me my car woudlnt turn over. Woudln't push start either. Try push starting it?

 

I dunno about newer car, I know about older car does work cause older cars are simple. And they don't have too much wiring like today cars.

 

I do believe it is the original battery. How would i push start it
Oh and BUMP for if anyone has help. Car is STILL not running. All zzp has been able to tell me is to do the relearn process -_-

 

You mean like this?
https://www.cobaltss.net/forums/prob...s-work-281025/

and this?
https://www.cobaltss.net/forums/prob...roblem-275828/

I don't think those are ZZP PCM Related....

 

If you have help or not.... may be eayser

If you have help

• Sit in car, turn ignition to ON
• Set Transmition to 1st
• Push and hold clutch down
• Have help push car as fast as he/she can
• When car is moving aprox 5mph dump the clutch
• Repush clutch and verify engine is operating

If you do not have help but are on a hill with car facing down hill

• Sit in car, turn ignition to ON
• Set Transmition to 1st
• Push and hold clutch down
• Allow car to roll down hill
• When car is moving aprox 5mph dump the clutch
• Repush clutch and verify engine is operating

If you do not have help but are on a hill with car facing up hill

• Sit in car, turn ignition to ON
• Set Transmition to neutral
• Allow car to roll down hill
• With sufficent momentum, back into someone's driveway
• Allow car to roll forward onto street faceing downhill
• Push and hold clutch
• Set Transmition to 1st
• Allow car to roll down hill
• When car is moving aprox 5mph dump the clutch
• Repush clutch and verify engine is operating

If you don't have help and you are on level ground

• Sit in car, turn ignition to ON
• Set Transmition to Neutral
• With Drivers door open push car yourself against drivers door frame, (NOT the door)
• When car is moving aprox 5mph Jump in
• Push in clutch
• Set Transmition to 1st
• Dump the clutch
• Repush clutch and verify engine is operating

 

The Factory Batteries are good for about 5 years.
Might take it out and replace it. Mine went out last year and I'm 06, I see your 07 so yours would is probably failing now or failng this year or soon.

When mine went out it would get HOT very HOT almost burn my hand hot. I was afraid it would start a fire. The gauges would come on when I turned the key on, the v oltage still read correctly, but it would not crank. Push starting was also a fail.

Replaced battery, and all was good again.

 

nope, not like those.

 

what benefit would doing this have? like what would i be able to tell if it does/ doesn't work?

 

If it works somethings up with your starter/battery

If the battery is completly dead this will not work.
My battery was dead enough where this didn't work

But if you got the battery cable loose it should work.
Make sure your cable isn't loose, maybe you mentioned you checked that already.

 

If you were having these problems push starting would be the only way to start it.
When mine acted up like this when I was stopped once I could only push start my car. Something to do with the security system.

Also maybe somethings up with your security system. Do you have the security light on when you turn the key on?