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Discussion Starter · #1 · (Edited)
I have a 2004 Pilot EX imported from USA, Lately both of my keyless entry remotes stopped working suddenly, it still flash when any button is pressed but with no response from the car, I did replace the batteries with no positive results.

Also checked related fuses in fuse box near both driver and passenger sides, all is fine, as a last step I took out the passenger glove box to examine the keyless entry module unit, it was not the Honda genuine one but a mysterious aftermarket unit with a red wire (Antenna) hanged randomly between other car cables.

There is no brand name or clear model number to search for its installation/diagnose manual, only a logo and a number on its side that where in no help to identify the maker.

I hope someone can help me with this issue, I'm uploading the module pictures in case anyone is familiar with it.

Thanks in advance.

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As a rule of thumb, PIlots don't play well with aftermarket alarms, remote starters and the like. Many reports of problems with those. If you can, I'd replace with an authentic OEM Honda one, then reprogram your fobs like this:

Have you tried this? 2006 EXL Key and alarm

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".

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.
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