C4 Corvette 1986-1989 Security Override System - 15 VATS Code Options

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1984-1996 > Electronics > Misc. > C4 Corvette 1986-1989 Security Override System - 15 VATS Code Options

Part Number:14217

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VATS Code Selection?

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Our Security Override System- 15 VATS Code Options for your C4 will eliminate frustrating shut downs from your VATS.

VATS stands for Vehicle Anti-Theft System. It is commonly referred to as PassKey. The VATS module does most of the security work. It is the brains of the entire system. The VATS module "reads" the resistance thru the contacts in the lock cylinder and the related wiring. If your key throws an incorrect code, your VATS will engage and shut your vehicle down. This usually results in leaving you stranded.

Our security override system will enable a sure start every time and help avoid expensive towing costs. The way it works is, it's a plug-in solution that simulates your correct key code and plugs into your factory wiring harness with no modifications. We use only genuine GM factory connectors, pins and TPA's.

You can find the value yourself with a meter, or you can have your local GM dealer measure the resistance on your computer key (it will be a 1 thru 15 value code). You will need this code when placing your order.

Features:

Simulates correct key code
Will not leave you stranded
Reduces or eliminates towing from shut downs
Easy installation
Plug and play design
No electrical modifications necessary
Genuine GM factory connectors, pins, and TPA's

Applications:

C4 1984-1996 Corvettes

Please use the drop-down menu above to make your VATS code selection.

To order the corresponding C4 Corvette 1986-1989 Ignition Key VATS, click HERE

Corvette Mods Reviews

Feature:

1986 1987 1988 1989

View all Q&A

Q: While this one is for 86-89, is there a '90 version available or am I going to have to cut and solder?

Asked by: Dale - 2/18/2019

A: This is only available for the 1986-1989 Corvettes. Answer provided by: Alex (2/19/2019)

Q: Will this element the vats system On a 86 corvette?

Asked by: David moseley - 3/27/2018

A: Yes Answer provided by: Alex (3/28/2018)

Q: Will this over ride work for my 94 automatic ?

Asked by: Victor - 3/18/2018

A: No, this will only work on 1986-1989 Corvettes. Answer provided by: Alex (3/20/2018)

Q: I have c4 1992 I lost my key what is normally the vats for that year?

Asked by: Reynir Thor Jonsson - 10/24/2017

A: There are 15 VATS codes.

You can try and take proof of ownership to a GM dealer and see if the the key info is on file. I can tell you it's definitely hit or miss with records this old, but maybe you'll get lucky.

If that doesn't work you can try to see if the dealer or a local locksmith has a VATS Interrogator.

Lastly you can install a new ignition lock cylinder. The new cylinder comes with a generic key with no VATS pellet, but it will at least allow you to turn the ignition. Answer provided by: Alex (10/25/2017)

Q: want to order the proper bypass unit for my 1987 vette, my factory key reads: 3.004 "k"ohms, what code unit do i need to order?

Asked by: james - 8/24/2017

A: Looks like your range is Vats Code 9 which shows (3010ohms), but has a range of 2890 - 3150ohms. Answer provided by: Alex (8/25/2017)