Wireless Key FOB
 

I have a 2003 Civic EX. Neither of the key fob's get a response to either locking or unlocking the car remotely, if I lock the doors and then hit the lock or unlock buttons I get no beep (horn works). When I get in the car and hit the lock button on the door both locks respond (actuator in drivers side previously replaced). When I do the Key FOB activation sequence (turn ignition, hit lock on fob, turn ignition hit lock, turn ignition, hit lock on fob etc) the doors will unlock if locked but then after the key fob still gets no response. Any clue? Thanks.

Re: Wireless Key FOB
 

I’d the fob battery is weak it will do some weird stuff! Maybe try a new battery.

Re: Wireless Key FOB
 

Replaced the battery first thing in both...same thing. Just rebooted the car (unplugged battery and let it sit for 15 minutes) and still the same issue.

Re: Wireless Key FOB
 

Re: Wireless Key FOB
 

Have these fobs EVER worked that you know for sure?

Re: Wireless Key FOB
 

These are the original Fobs I got with the car new...I switched using Fobs when the first one acted flaky years ago but have not had any issue until now. Hopefully going to contact a local junkyard tomorrow and try one of theirs and buy it if it works.

Re: Wireless Key FOB
 

If one original fob died some time ago, it seems likely the other original fob may have died as well.

Also if you go to a junkyard, there are a few different versions of the fobs that all appear pretty much the same but are not interchangeable.

Re: Wireless Key FOB
 

Ended up buying a used one on Ebay for $7....guess this will be another...replace parts cheapest to most expensive plans and hope to figure it out along the way.

Re: Wireless Key FOB
 

Purchased a new key fob and programmed it with no luck.

1. Internal locks work without a problem (meaning actuator is functioning correctly)
2. Reprogramming the key fob seems to work...the locks unlock when I do it but afterward the key fobs still do not work
3. No other functions on the care have stopped working...but I do not see a fuse that would allow the locks to work inside the car but prevent the key fob from not working (reviewed the fuse documents and do not see any fuses that would have anything to do with this)
4. Batteries have been changed in key fobs
5. Test key fobs with tester in auto parts store and they are emitting a signal
6. I have unplugged the battery on the car for 15 minutes and reconnected it


Is there a fuse somewhere I am not finding? Is there a connection somewhere that could be causing this? Any new thoughts are appreciated.

Re: Wireless Key FOB
 

So you got it into programming mode and it had to recognize a valid fob signal in order to get that far in the process..


Check this, some people miss pushing the fob button one more time after program mode begins:

Start with doors closed.
Get the car into programming mode (key on, push button on fob, key off, repeat about 3x until locks automatically cycle)

Push button on same fob AGAIN and locks should cycle one time AGAIN

If you have another fob to program, Push button that fob and locks should cycle again
turn key off, remove key from ignition, fobs should work.

Re: Wireless Key FOB
 

Thanks ezone...either I misread the last on/off in the process or it was not correct on the site I referenced. Working now...thanks.

For reference the sequence is

Key turned to on
Hit Lock button on FOB
Key turned to off
Key turned to on
Hit Lock button on FOB
Key turned to off
Key turned to on
Hit Lock button on FOB
Key turned to off
Key turned to on
Hit Lock button on FOB
Hit Lock button on FOB
Hit Lock button on any other FOB's to be programmed

Re: Wireless Key FOB
 

Re: Wireless Key FOB
 

Did you try the programming procedure?

Re: Wireless Key FOB
 

Re: Wireless Key FOB
 

I always work cheap to most expensive solutions...so yeah check the new key fob first when you get it.

Re: Wireless Key FOB
 

If the red LED doesn't light up, that fob isn't working.

Battery is confirmed good? Fob must be bad.