Question about 2005 Chevrolet Impala
02 impala -- if i push the trunk release button on the dash while car is running the security light will come on steady and trunk doesn't pop also the key fob button will do the same. the security light will go off after starting up the next time. if the car is off, the dash button or the key fob doesn't open trunk either (i do hear the relay click in the passenger fuse panel with both dash and fob buttons). if the car is off and the door is open and i push the dash button the dome/mirror lights flash off then back on. this has happened for the 2 months i have owned it and now the power locks won't work with the door button or key fob. the fob turns the factory alarm on and off and it works with all lights and horns working properly but it's not locking or unlocking. i have a 2003 impala parts car and was thinking about changing the bcm over but didn't know if it would be compatible or need reprogrammed, also i do know how to do the passlock bypass with the resistor but didn't know if that's a related problem -- or maybe it's something else????? any help, much appreciated
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Posted on Jan 02, 2017
SOURCE: 2001 Chevy Impala won't start
If the battery has gone dead, it could cause the security system to go into full lock-up mode. If it has locked up the accessories will work after the battery is charged back up , but the power to the starter will be cut off and it wont turn over. You need to do the 30 minute learn procedure. A GM dealer will print it out for you and you can do it yourself. It's very simple if you follow the procedure exact. hope this helps and good luck.
Posted on Mar 25, 2009
There were some issues with ignition switches in those vehicles.It is easy to change and does not cost but about $30. Remove the column covers, unplug the switch, and depress the 2 white tabs holding it in place. Good Luck
Posted on May 23, 2009
you have a fuse for it ,check the fuse box ,it might not say trunk on fuse panel, you might need to pull those fuses out one by one checking each one to see if blown, if the center between the two sides are broke the fuse is blown, hope this helps you, thanks robert b.
Posted on Jun 28, 2009
first thing to check is the wireharness under the passengers floor mat,you wiil probably find a mass of corrosion and bad connections,been there done that!
Posted on Jul 29, 2009
sounds like you fried a relay ,, and will have to see a tech. for this ,, someone you trust and is ASE cert. in Auto electrical specialist
Posted on Nov 20, 2009
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Dec 07, 2015 | 2006 Chevrolet Impala
KEYLESS ENTRY PROGRAMMING
Have all remotes for the vehicle on hand.
Make sure all the doors and rear hatch/trunk are closed during programming.
Only need to use 1 remote to get into program mode but all remotes must be programmed during the same session.
Each step must be completed within 5 seconds.
1. Sit in the car with all doors/trunk tightly closed
2. Turn the key to the ON position, marked by "II" on the ignition bezel so the dash lights come on, then within 5 seconds press the "Lock" button on the remote for 1 second or so and release the button.
3. Turn the key to the OFF position, marked by "I" on the ignition bezel - dash lights go off.
4. Repeat steps 2 & 3 three more times (A total of 4 times) - each step must be done within 5 seconds of the previous step.
5. Upon the 4th turning of the key to "ON", press the lock button on one remote, the locks will make a cycling sound (clunk), locks will NOT lock or unlock at this point, they will just make a noise. The system is now in programming mode. Do not turn key off.
6. Within 5 seconds of entering programming mode and within 5 seconds of each other, press the lock button ON EACH remote you are programming, for a second or so and release. This step needs to be completed within 10 seconds. Each time a remote button is pushed, the locks should cycle. Up to 3 remotes can be programmed.7. Turn ignition completely off and remove the key. Step out of car and close door. The remotes should be programmed and should work. If you have a trunk/hatch release, the button for this feature needs to be held for a few seconds before the trunk/hatch will "pop".
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