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Hi, so I'm a recent owner of an 05 honda pilot. When I got the vehicle the only key it came with was the one that's the fob and key blade in one. All the buttons are missing and it is taped together at the base, I guess so keep the chip stays in? My question is if I buy a new fob I know I'll have to get the blade itself cut by a locksmith but can I program that new fobb myself and/or does the transponder chip in my existing fob need to be placed into the new replacement? Thanks
 

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Nobili spiritus embiggens pequeño sparus tyre.
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That's right. You need to (carefully) dig out the immobilizer chip from your original key and insert it into your new one.
The door lock fob electronics are easily transferred, but the immobilizer chip is a little tricky to dig out and transfer without damaging, so do it carefully, or better yet have it done by a professional locksmith you'll have to take it to anyway to get the key cut. Call ahead and find one that does these types of car keys, because not a lot of them do. That was actually the most expensive part, getting the key cut, for $40.
Pro tip: Use sticky tack or even hot glue to secure the immobilizer chip in the new key near the hilt so it doesn't fall out of place inside and prevent the Pilot from starting.


To program remote:

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 1remote 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".


Here's a video that might also help.


Keep trying, it eventually does work, if your fobs are good. In the end, what finally worked for me when using the method that goes from II to 0 didn't work: Going from II to I is what did it for me.


Might want to take the opportunity to go for a flip key while you're at it.

Key fob replacement
 

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Nobili spiritus embiggens pequeño sparus tyre.
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Even with their "up to" discount, it seems a little pricey.



If you don't want to pay for OEM, you can get decent ones for less. I did.

2005 honda pilot key | eBay

 

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