Question about 2004 Chevrolet Impala
My key fob will not lock or unlock my car
Test the battery inside key fob, should be at 3 volts, if is less than 3 volts replace the battery. If that does not work you may need to replace the key fob, on this vehicle you can program the key fob through the radio, the car manual shows you how to do this.
Before replacing the old key fob you can try to resinc the fob to the car by pressing the lock and unlock buttons at the same time for about 15 sec, if the door locks cycle the the fob will work again.
Posted on Mar 03, 2013
If your key fob was working at some point and just stopped working then use these tips to get your key fob working again:
First things first, make sure it's YOUR key fob (and you didn't accidentally grab your mom's keys!).
Change the battery
Batteries don't last forever, you'll be surprised how often it's just a dead battery! Search our YouTube channel on how to change a key fob battery for your specific year, make, and model!
Wipe the board
The board inside your remote can get a lot more filthy than you think! When the board is dirty it can prohibit the contact to the circuit board when you push down on the button. Simply wiping the circuit board off can make your key fob like new again!
Get it checked
Go to your local hardware store like AutoZone or Oreilly's . They usually have a RF frequency tester. This little gadget will let you know if your key fob is sending a signal. If it is, you may need to reprogram your key fob to your vehicle
The old car battery reset trick
I know this sounds absurd, but it works sometimes and is worth trying. If you exhausted all of the options above, disconnect both terminals on your car battery for 10 minutes. Then reconnect them and try your key fob. This has worked for many people and I have no idea why. If you do, please comment below to explain.
It might be time for a new key fob! No need to dread over the expensive costs of a new key fob, at Keyless Entry Remote Fob Inc., you can get a refurbished key fob replacement for a very affordable price! You won't even be able to tell the difference. Just search your vehicle make, model, and year to or give us a call at 402-671-5100.
Posted on Sep 02, 2018
SOURCE: key fob remote start issues
You need to get one that works on the same wide range frequency as the reciever in the car, and then it's a simple matter of opening both the new and old fobs, and matching the fine frequency settings by putting the little switches inside where they should be according to the old fob's switches. If there are no switches in the old fob, it's preset and there's not much you can do about it.
Posted on Mar 09, 2009
the circuit boards on those factory remotes, sometime break where the battery is clipped in, check to make sure the solder is holding the clip properly and it is not loose, also they remote may need to be programmed to the vehcile with a scan tool, usually only found at GM, Also the rubber part of the remote on the inside where the pad touchs the circuit board, uses a small screwdriver and touch the exposed circuit, if the remote locks the doors, try putting in tiny peice of alumumn tape of the inside pad, the connectiveness of the rubber wears off. If not try above or dealer.
Posted on Oct 02, 2009
I too had this problem. I finally found out that my problem was the result of the metal contacts that touch the circuit board when you push the buttons had worn out. To correct my problem, I purchased a small pad that slides right inside the remote and fixes all the buttons. Since then, my remote has worked problem free for the past 3 months. The company that makes the pads is KEYLESSFIX. The following link will take you to the actual website:
Please remember to rate my solution. Thanks!
Posted on Feb 01, 2011
SOURCE: 2005 cobalt ls, 24000 mi,
Most commonly if this is a bad receiver, when receiver start going bad they will work and not worked intermittently. The most you can do at this point is try to reprogram the system and see if it begins to work properly again otherwise it's gonna be time to replace the receiver. Part of the receiver is working, see the receiver receives your signal
but then it must perform an action and it's the action part of the
receiver that has the problem.
If the reprogramming must be done at the dealer with a factory scanner, unfortunately the other scanners available will not do this.
Keep in mind that the best place to possibly get a replacement key fob would be from the dealership. They will be able to sell you the fob and program it to your vehicle for you as well. Also if you need any extra keys you can get them there as well.
Hope this helps. Keep us updated.
Posted on May 04, 2011
SOURCE: 2003 Monte Carlo SS, FOBS
If the passkey is messed up, there will be a light on the dash that says security, or have a picture of a car with a lock thru it. If there is no light when the key is turned forward, then its NOT a passkey problem.
Posted on Aug 19, 2011
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