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Car not starting, alarm? vehicle immobilizer system?

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Old 03-03-2017, 09:53 PM
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Originally Posted by Lee Schaefer View Post
how do I do the uprev procedure
You have to purchase an uprev tune.. it is not a procedure
Old 10-25-2017, 01:58 AM
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Inquiring

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Originally Posted by seymore4 View Post
If its NATS (Nissan Anti Theft System) you can disable it with an Uprev reflash, lots of guys do this when then get tuned so that they can use unprogrammed keys (Its like $200 just to reprogram the key at the dealer). You can't just mechanically disable it though. PM me if you want to give it a try, I've done it many times

i had a question Iím looking into buying a Infiniti g35 coupe s, but he talk about an imobilizer problem could you help talk me through the details and what it would take to fix it
Old 10-25-2017, 01:04 PM
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Fix =/= disable

There are two types of ignition systems for the G35, a traditional RFID keyed system and the Intelligent Key system (push button start). Both work in similar ways but with different components and technology.

The components of the NATS is programming in the BCM, CAN system to ECU, NATS antenna / Intel key unit (depending on which is equipped).

The problem could be as simple as the battery in the intelligent key needs replacing or the RFID transponder in the regular key is failing. Or it could be complex like the BCM itself is shot, your options to fix would be to completely disable the NATS system through an UpRev tune or to diagnose and repair the system (recommend the Nissan dealership for the diagnosis).
Old 12-30-2017, 05:31 PM
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Uprev reflash

Quote:
Originally Posted by seymore4 View Post
If its NATS (Nissan Anti Theft System) you can disable it with an Uprev reflash, lots of guys do this when then get tuned so that they can use unprogrammed keys (Its like $200 just to reprogram the key at the dealer). You can't just mechanically disable it though. PM me if you want to give it a try, I've done it many times
i was wondering how i would go about doing this reflash. Any jeep would be greatly appreciated. Thank you
Old 12-30-2017, 07:31 PM
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Originally Posted by Gypsygsr View Post
i was wondering how i would go about doing this reflash. Any jeep would be greatly appreciated. Thank you
You have to purchase an Uprev tune for around $600
Old 12-30-2017, 08:00 PM
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Originally Posted by Gypsygsr View Post
i was wondering how i would go about doing this reflash. Any jeep would be greatly appreciated. Thank you
Are you sure ANY jeep? Because there's quite a few different ones.
Old 01-09-2018, 01:16 PM
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Hey I have a question about my infiniti g35 coupe 2007, I disconnected the battery and now my ignition and steering wheel are locked. The key shaped icon pops up on my dash but comes out red. Any suggestions ? I believe itís the NATS but not sure how to disable it.
Quote:
Originally Posted by seymore4 View Post
If its NATS (Nissan Anti Theft System) you can disable it with an Uprev reflash, lots of guys do this when then get tuned so that they can use unprogrammed keys (Its like $200 just to reprogram the key at the dealer). You can't just mechanically disable it though. PM me if you want to give it a try, I've done it many times
Old 01-09-2018, 03:09 PM
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Red key icon means the system doesn't detect any intelligent key present. Change the battery in your fob, you may have screwed something up and the BCM lost the key information which requires a trip to Nissan to have the BCM programmed again. You can also hold the i-key directly ON the start button as directed in the owners manual which helps with weak signal (antenna is mounted on the side of the ignition lock cylinder).

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2003, 2004, 2005, 2008, alarm, bad, car, g35, immobilizer, infiniti, reset, start, starting, system, vehicle, wont, work
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