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Re: KEy Fob not locking/unlocking doors. Replace the...
SOUNDS LIKE A BAD KEY FOB..BUT BEFORE YOU GO WASTING ALL YOUR MONEY ON ANOTHER ..TAKE THE BATTERY BACK OUT LOOK INSIDE WHERE THE BATTERY SITS AND MAKES CONTACT..ARE THE LITTLE CONTACTS TOUCHING THE BATTERY
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Be sure to use the correct battery, properly in place, clean the key contacts , See owner's manual for additional information.
There are specialized locksmiths for car keys
It will not unlock the door the first time you push the button. This only registers the key fob ID into the computer. When you press the button on the key fob, press it only once and wait for the hazzard lights to flash twice again. Then open the driver's door. The key fob will not become active until you open the driver's door.
If your hazzard lights do not flash after you press the button on the key fob, there is most likely a problem with the key fob. Either it is not the correct key fob for your vehicle, or the battery is not in correctly or the key fob is defective.
The only other advice I can give you is to have it programmed with a scan tool. This way, the scan tool can verify that the computer in your vehicle is receiving the signal from the key fob.
It can be done either way, but if the "no scanner" way does not work, the rest of the system should be checked for possible problems.
You are going to need to check the power lock control moduel on the inside of the door panel. If the FOB appears to be working but the doors are not unlocking, you need to check this. I would also replace all fuses that control the locks. If both of these devices check out ok, you may need to replace your FOB. To check your power lock control moduel, manually lock and unlock your doors by pressing the lock button on the inside of the door. If it does not work, it is either the fuses or the power lock control moduel. If it works, your FOB has gone bad. Hope this helps! Please rate 4 thumbs up!
each vehicle is different put the key in the ign. turn key on press door lock/unlock at the same timehold button for 10 sec see if any lights on the dash inst. panel blink if they do that means that the key fob was programmed to your vehicle i recommend a new key fob this will give you definative instructions on how to reprogram your fob
lol...turn the key on..there a reset button on the dash that show mile how far u drive..well push and hold while the ignition on and engine off until it blink..than start tap it until you came across door lock/alarm...ok ...here the trick..leave the setting on the alarm. than u can press an hold unlock n lock until u hear the door lock than u release turn key off n on than off again...and than try your transmitter
Insert key into door barrel or ignition lock and turn key, whilst doing this press the unlock/lock button, the led on the dash should flash to indicate this has initialised the key to the car, then remove key and test operation of remote. If this fails then a new remote plus coding to the car by your dealership is needed
I had this same exact problem in a family member's Saturn. If you are opening the door with the key and not using the key FOB to unlock the doors, then the security system will not allow you to start the car. You will notice when this happens that the dome light will blink and you'll hear the relay in the BCM clicking.
In order to stop the security system from doing this: Make sure the car is locked with the key fob by hitting the lock button. Then hit the unlock button on the key fob once and then once again (I do it out of habit). Then open the driver side door, put the key in and it should start no problem.
To program the fob; close all doors, unlock with door switch, turn key from off to on (without starting car) 8 times, ending in the on pos, the locks should lock and unlock then press the lock button on the fob, turn the key back. That should do it, if you get nothing, replace the battery in the fob. The keypad code is only retrievable through a scan tool. The dealer will charge a half hour to do that even though it takes less than 5 mins.
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