Just wanted to let others know that if your Crossfire’s Skreem goes out, (which also requires a new PCM), I learned from someone else on this forum, you can bypass the system by disconnecting the battery, and removing fuse #9. The mechanic said he had to let it cycle a few times after starting the first time. It runs great now! Removing fuse #9 takes out the map reading light and trunk light, and you have to use a key to unlock the car, but compared to paying over $4300 in repairs or junking the car, I think this fix is awesome!

 

I don't think that is true.

 

OP. try removing the transponder chip from the fob, or disconnect the antenna ring to verify that this actually works.
I agree with James, I think you will find that you will have the SKREEM symptoms.

 

i don’t know what to say to that, I drove the car home tonight. It has worked for several of us on this forum already. Much better alternative that parting out the car.

 

You could do me, and probably many others a service in proving this is actually a fix for the classic SKREEM issue.
If you happen to have 2 fobs, what are the chances of you taking one apart and using JUST the metal key to see if the car will start ?
( do not have the fob case anywhere near the car )
Here's a how-to in case you are willing to try :
https://www.crossfireforum.org/forum...ob-tom2112.pdf

 

I'd like to share my experience with the siren and no starts if i may. in the past i have noticed that if the siren has corrosion inside (most likely from leaking batteries) it can back feed into the security/ locking pump module and cause a no start condition. i would be very interested to see what happens if you disconnect the siren, reinstall fuse 9 and try starting the vehicle.

 

I do not think there is a SKREEM problem, I think the security module in the trunk is failing. Fuse #9 takes out the siren and the security module in the trunk takes out the pneumatic locking system.
As I recall the lady who claimed this before had similar symptoms.

 

Mercedes mechanic notes

Chrysler mechanic, we then had it towed to Mercedes mechanic


We do not have 2nd key, but skreem was diagnosed as not working.
Horn and tire pressure control do work with fuse 9 out for some reason. The map lights and lift gate lights do not work.
Security system successfully bypassed, and car now runs great. Just have to open car with key instead of fob.