C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

keyless entry

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Old Jan 3, 2007 | 11:24 AM
  #1  
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From: pine bush ny
Default keyless entry

just the other day it worked, and now it dosent, i but a new battery in and still no good. thanks for any help,94 vert
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Old Jan 3, 2007 | 11:49 AM
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As I recall, if you hold down the door button for more than 2 or 3 seconds, you disable the system. Maybe that's what happened? I don't have my owners manual handy with me, but it mentions in there how to turn the system on or off with the remote.

Last edited by Gixster; Jan 3, 2007 at 12:00 PM.
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Old Jan 3, 2007 | 02:43 PM
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Do a few quick tests first to check the health of the receiver.

* Does the PKE light on the panel, light for 2 seconds when the key is turned on.

* Open a window leave key in car, lock the door. Can you rock the car and unlock the
doors.

* Can you go into programming mode and if you can, can you program the remote with the correct responses.

* You can do a selftest using the ALDL connector.

Depending on how far you get will give you information of what might be happening.
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Old Jan 3, 2007 | 03:08 PM
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From: Olympia Washington 91 Z07 Coupe, 6spd, Borla Exhaust, Perf. Ignition, K&N Filter
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Originally Posted by pcolt94
Do a few quick tests first to check the health of the receiver.

* Does the PKE light on the panel, light for 2 seconds when the key is turned on.

* Open a window leave key in car, lock the door. Can you rock the car and unlock the
doors.

* Can you go into programming mode and if you can, can you program the remote with the correct responses.

* You can do a selftest using the ALDL connector.

Depending on how far you get will give you information of what might be happening.
Rocking the car wouldnt set off the alarm, unless its aftermarket, most factory alarms dont utilize shock sensors, do all your dome lights work and if so is the alarm fuse good?

Correct me if im wrong on the shock sensor thing, i was just speaking generally.
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Old Jan 3, 2007 | 03:48 PM
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Rocking the car does not set off the alarm, that is not what happens according to proper book operation. The passive keyless systems employ a function where if the keys are left in the ignition or just laying on the center console, by rocking the car it will unlock the door (not set off the alarm). This is how the system works and so does mine. You can’t lock your keys in the car, it’s a great system when working properly.

The remote is a special unit with a special ball and sensor built in. When the ball has movement, it sends a signal to the receiver and opens the door. Receiver and transmitter have this kind of communication.

The alarm will go off if the car is locked, the keys are not close by and the car is opened without a key or the remote.
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Old Jan 3, 2007 | 03:55 PM
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From: Olympia Washington 91 Z07 Coupe, 6spd, Borla Exhaust, Perf. Ignition, K&N Filter
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Originally Posted by pcolt94
Rocking the car does not set off the alarm, that is not what happens according to proper book operation. The passive keyless systems employ a function where if the keys are left in the ignition or just laying on the center console, by rocking the car it will unlock the door (not set off the alarm). This is how the system works and so does mine. You can’t lock your keys in the car, it’s a great system when working properly.

The remote is a special unit with a special ball and sensor built in. When the ball has movement, it sends a signal to the receiver and opens the door. Receiver and transmitter have this kind of communication.

The alarm will go off if the car is locked, the keys are not close by and the car is opened without a key or the remote.
Ahhhh, i see, i take back what i said, that is a very cool system, way ahead of its years, thank you for clearing it up for me
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Old Jan 4, 2007 | 09:30 AM
  #7  
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From: Charlotte NC
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Originally Posted by Gixster
As I recall, if you hold down the door button for more than 2 or 3 seconds, you disable the system. Maybe that's what happened? I don't have my owners manual handy with me, but it mentions in there how to turn the system on or off with the remote.
This has happened to me and resetting it in this manner cleared the issue up.

That PKE system can be pretty sensitive. Some time ago before buying a second fob, I left my keys on the driver's seat and closed the door unintentionally. To my amazement, the security system set itself on. I was locked out

Knowing the PKE way though, I was able to slide a coat hanger carefully in and simply 'nudge' the keys...the locks popped and I was in. Must have been a blind spot?
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Old Jan 4, 2007 | 11:16 AM
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Originally Posted by jimg's'93
This has happened to me and resetting it in this manner cleared the issue up.

That PKE system can be pretty sensitive. Some time ago before buying a second fob, I left my keys on the driver's seat and closed the door unintentionally. To my amazement, the security system set itself on. I was locked out

Knowing the PKE way though, I was able to slide a coat hanger carefully in and simply 'nudge' the keys...the locks popped and I was in. Must have been a blind spot?
Just some interesting that I came on some time ago about the FOB.

Someone had a similar problem, FOB would not respond when shook. The fix turned out to be the ball and the area it sets in was dirty. I believe it was cleaned up with some alcohol or cleaner (I would not use oil base). It was the fix for that problem.

I have never been down this road myself so cannot offer any personal experience. And yes your right, it is a sensitive system.
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