New Fob for +$500 or what else could I try ?

[stormgrey11]

As I was trying to leave from work, I noticed that my remote would not unlock the door from my usual 100 ft range .

I thought that it would not work at all but it finally did, standing right next to the door.
I also get the dreaded no remote present error trying to start but, no worries, holding the key to the steering column does start the car.

I never got the remote battery exhausted error, but nevertheless, I figured a new CR 2032 would do the trick.

Man, was I wrong, I tried a couple and no change. I checked the voltage and they were around 3.0 volt. These came from on of the 6 packs from Amazon.

So, just in case, I went and purchased a Duracell. It showed 3.3 volt and I though, well, maybe this is it !

No, no change !!

Could it be the 12 volt battery ? Afterall, it was 3.5 ears old and it was due for a preemptive change anyway.

So I ordered a replacement battery from Remy and installed it and registered it today,
Wouldn't you know it, no change ?

So, what could it be ? I only have one fob so I can't really be sure but I would really not spend the $ 500 plus for a new fob.

So, here it stands, new battery in FOB, new 12v battery.

FOB locks and unlocks the door when standing right next to the drivers door.
Dashboard shows message no remote present when I have the key in my pocket but it starts holding up to steering column.

Any ideas ?

 

[kd7iwp]

I just bought a second fob and it was $969 Canadian (about $670 USD). Disgusting isn’t it.

 

[EvanstonI3]

Take the fob battery out.
Wipe both sides a few times with a damp cloth.
Dry it.
Reinstall and see if that helps.
Many of these coin size batteries now come with a bitter coating so that hopefully kids don’t swallow them. If there is a coating, it could be interfering. It is water soluble so comes off easily.

 

[eNate]

That's odd because there is no NFC reader I'm aware of that would passively detect the key and allow a door unlock, that's only in the steering column for start up. So I suspect the key is still receiving and transmitting, although it could be putting out a weak signal. Does the panic alarm work at a similar close range but not from a distance? Without a second key I don't know if there's a way to test and eliminate the car's CAS as being the culprit, not the key.

 

[The-Traveler]

Guys these fobs are $40 on aliexpress with 1 week shipping. Looks and feels identical I just haven’t coded it yet.

 

[kd7iwp]

Good luck. If you are able to code it and are willing to share how, I’m all ears. Do you have comfort access?