key with resitior and one without
Thread Starter
Instructor
Joined: Feb 2011
Posts: 171
Likes: 1
key with resitior and one without
When I got my used vette,98 year, It came with one key that has the resister chip in it and a solid metal one. What is the key without a chip for. Also how do you get a replacement key? Thanks
Melting Slicks
Joined: Jun 2007
Posts: 2,172
Likes: 1
From: Sartell Minnesota
The one without is the Valet key. To get a new key(chipped one) go to the dealer with proof of ownership and a VIN number and they can get you the correct key and cut it for you without having to have the original
Melting Slicks
Joined: Dec 2003
Posts: 3,315
Likes: 17
From: Near Jacksonville Fl.
The purpose of this key is unique to 97&98 MY only because your remote has a switch on it for passive remote locking of your doors.
If you walk away and the key is in your pocket it will lock the doors when you approach the car it will unlock the doors.
However if you leave the key in the car it will also lock the doors after it no longer senses motion.
This is what the courtesy key is for, it's to be kept in your wallet so you don't have to call a locksmith to get in.
Le Mans Master
Joined: Aug 2005
Posts: 5,375
Likes: 328
From: CA.
St. Jude Donor '13-'14-'15
Another way to be able to use both your pilled or unpilled key to start and drive your car --is to have your local tuner turn "OFF" the anti- theft system in your ECM---Simple one-entry fix--however then you will have NO theft control deices--but still be able to lock the doors---I beleive a new pilled key from a dealer is around $250---
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Brett Foote
Thread Starter
Instructor
Joined: Feb 2011
Posts: 171
Likes: 1
reading ohms
One possibility is that the ignition lock cylinder was changed at some point to have a new key. However the door cylinders and the glove box cylinders are from the original key. To make the door key easier to recognise (two chipped keys look the same) a previous owner may have had a non chipped key made.
You do NOT have to go to a dealer to get a new chipped key made. Measure the resistance of the pellet in the key and match it up to the table below:
VATS #, Resistance in ohms
1 392
2 523
3 681
4 887
5 1.13k
6 1.47k
7 1.87k
8 2.37k
9 3.01k
10 3.74k
11 4.75k
12 6.04k
13 7.50k
14 9.53k
15 11.80k
Once you know the key number associated with the resistance in the pellet of your key you can go to the big auction site and search for VATS key. There are many sites selling blank keys for the C5. I went with one that cost about $12 and $2.50 shipping. Once I got the key blank I took my current key and the blank to a Lock Smith (I would not trust the cutting to the local Home Cheapo or Lowes. Cost $250 to have it cut ($1.25 per side) Total cost was under $20 while the local stealer wanted $60.
You do NOT have to go to a dealer to get a new chipped key made. Measure the resistance of the pellet in the key and match it up to the table below:
VATS #, Resistance in ohms
1 392
2 523
3 681
4 887
5 1.13k
6 1.47k
7 1.87k
8 2.37k
9 3.01k
10 3.74k
11 4.75k
12 6.04k
13 7.50k
14 9.53k
15 11.80k
Once you know the key number associated with the resistance in the pellet of your key you can go to the big auction site and search for VATS key. There are many sites selling blank keys for the C5. I went with one that cost about $12 and $2.50 shipping. Once I got the key blank I took my current key and the blank to a Lock Smith (I would not trust the cutting to the local Home Cheapo or Lowes. Cost $250 to have it cut ($1.25 per side) Total cost was under $20 while the local stealer wanted $60.
Team Owner
Joined: Jul 2006
Posts: 22,223
Likes: 4,201
From: Kannapolis NC
Another way to be able to use both your pilled or unpilled key to start and drive your car --is to have your local tuner turn "OFF" the anti- theft system in your ECM---Simple one-entry fix--however then you will have NO theft control deices--but still be able to lock the doors---I beleive a new pilled key from a dealer is around $250---
Melting Slicks
Joined: Jul 2006
Posts: 2,332
Likes: 31
From: Silver Spring MD
Don't do that go to fleebay
Forget cutting it at Home Depot as they don't have a clue to what they are doing there. No learning required. The right resistor pellet will start the car.
Last edited by bighank; May 3, 2011 at 06:39 PM.
Tech Contributor
Joined: Oct 1999
Posts: 41,066
Likes: 9,835
From: Charlotte, NC (formerly Endicott, NY)
The solid metal key is a courtesy key and comes in a plastic pouch with your vin# on it.
The purpose of this key is unique to 97&98 MY only because your remote has a switch on it for passive remote locking of your doors.
If you walk away and the key is in your pocket it will lock the doors when you approach the car it will unlock the doors.
However if you leave the key in the car it will also lock the doors after it no longer senses motion.
This is what the courtesy key is for, it's to be kept in your wallet so you don't have to call a locksmith to get in.
The purpose of this key is unique to 97&98 MY only because your remote has a switch on it for passive remote locking of your doors.
If you walk away and the key is in your pocket it will lock the doors when you approach the car it will unlock the doors.
However if you leave the key in the car it will also lock the doors after it no longer senses motion.
This is what the courtesy key is for, it's to be kept in your wallet so you don't have to call a locksmith to get in.
I still have the one for my 97 that I sold 8 years ago.
As for the poster commenting about getting a tuner to shut off the antitheft in the ECM I am not sure how that works since the ECM doesn't do the antitheft. That is the BCM and the tuner can't touch it.
If the PASS-Key® system detects an open or short to ground when the ignition switch is in the RUN position, the BCM will default to fail enable mode. Fail enable occurs when the proper key resistance is sensed before the open short to ground occurs. Fail enable will illuminate the security indicator lamp and allow the operator to stop and start the vehicle until the problem is corrected. The PASS-Key® system includes the following components:
•
Ignition key
•
Ignition cylinder
•
Body control module (BCM)
•
Theft deterrent relay
•
Powertrain control module (PCM)
•
SECURITY indicator
Bill
Race Director
Joined: Apr 2007
Posts: 11,153
Likes: 892
From: South Western Ontario
