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Old 12-18-2017, 08:13pm   #1
Kelly1989
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Default Vats

I lost my keys to my 89. Don't have a clue as to what the vats vaule is for the car. Does anyone know if the vats code would on the ignition cylinder along with the key code? I am going to pull it and see. If not I am going to buy a new ignition cylinder and buy the different sets of keys and try that. Called a dealership to see if they could pull anything from the vin but no luck as records don't go back that far. Anyone ever had this problem, I know once u can find the vats vaule I am going to bypass it. But can't until I get the vaule
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Old 12-23-2017, 05:40am   #2
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Changing the key and cylinder by itself won't answer your problem unless you just luck out and pick the right resistor code. There are 15 possible combinations that can apply and from what I know, it's not listed anywhere inside the car. You either need to get 15 keys (one for each resistor) or jumper the various resistor combinations into the wiring and see which one works then get a set of keys with that resistor on it.

There is a list of the various resistor combinations on them on the web. To do the resistor test, there's a connector coming out of the bottom of the column. You disconnect the wiring where the connector is (about 12" from the column) and plug each combination into the end that goes up behind the DIC and try the key. Each time it fails you have to wait about 5 minutes before trying the next combination.

As far as the ignition key goes, a good locksmith should be able to make a replacement key.

Here's a website with some info that may help: How to determine the correct vats code value when you lost all your vats keys

The following Chart shows the Vats Code values and there respective resistor values in ohms. Divide the ohm values by 1000 to convert the value to kohms. Example: 402 ohms converted to kohms is 402/1000 = .402 kohms. Or if your meter is displaying the value in kohms you can convert kohms to ohms by multiplying by 1000. Example: .402 kohms converted to ohms is .402 x 1000 = 402.
*
CODE
RESISTOR VALUE IN OHMS
1
402
*
2
523
*
3
681
**
4
887
**
5
1130
**
6
1470
**
7
1870
**
8
2370
**
9
3010
**
10
3740
**
11
4750
**
12
6040
**
13
7500
**
14
9530
**
15
11800
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Old 10-14-2018, 08:18pm   #3
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You can buy a cheap bypass kit off ebay. Then try the resistors one at a time then you will know what vats to get or just leave it in bypass. But still need the locksmith to cut the key. Or the dealer can cut the key off the vin but not much luck with the vats
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