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Discussion Starter #1
A few weeks ago we bought a used 2017 Pacifica Touring L. It only came with one keyfob.

Last week I picked up a new OEM keyfob and had it programmed at the local Chrysler dealership. It worked fine for the first couple of days. On the third day it started having issues.

The keyfob that came with the van is still working fine. Only the new keyfob is having issues.

Using the new keyfob, when I attempt to start the van by pressing the start button on the dash, the instrument cluster says Keyfob not detected. If I use the RFID option and press the start button on the dash with the keyfob the van starts fine. If I put the keyfob on the center console (within a few inches of the van's keyfob antenna), the van starts fine.

All of the new keyfob's other functions work fine (doors open remotely, the van locks and unlocks when I touch the appropriate spots on the door handles, etc...).

I replaced the new keyfob's battery, but the symptoms remained the same. The new keyfob still had to be on the center console for the start button on the dash to work.

Since the original keyfob is working fine, this seems like it must be a problem with the new keyfob.

The obvious conclusion is that the new keyfob is not broadcasting a strong enough signal for the van's center console keyfob antenna to pick up (unless the new keyfob is very close to the van's center console keyfob antenna).

These are my questions...

1. Can this new keyfob be repaired or tweaked to broadcast a stronger signal?

2. If the answer to Question 1 is yes, is it likely that my Chrysler dealership will be able to fix it? Or is this something I will have to do myself by tweaking the innards of the keyfob (ie. soldering on an antenna wire, or something)?

3. If the answer to Question 1 is no, that implies the only solution is replace the new keyfob. Is there another alternative? I've already paid to have this new keyfob programmed, I'm not anxious to return it and then have to pay to have another keyfob programmed.

Thanks
 

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Thread was waiting for approval because you created a thread for your first post.

You bought the key fob at the "Dealership". Take it back and have them get you another one. It's obviously broken. Even if someone on the forum had a way to rig it to work why wouldn't you go and get the defective one replaced? Are you really far away from the dealership maybe? If you're not get it replaced. Those things are pricey and you should get one that works as advertised. It's not the antenna in center console because your other fob is working as advertised. Also, welcome to the forum and thank you for posting your complaint in the right sub forum.
 

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I would try one more time replacing the battery with another new one. I know you already did it, but as you are aware, even new batteries have a “shelf life” if they remain unused. It costs only a couple bucks anyway and if it doesn’t fix it, definitely go to the dealership.
But since you just got the key brand new, there is nothing to stop you from going to the dealership anyway and have them fix it for free. A new key should work as designed, if not it should be replaced under warranty.
 

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A few weeks ago we bought a used 2017 Pacifica Touring L. It only came with one keyfob.

Last week I picked up a new OEM keyfob and had it programmed at the local Chrysler dealership. It worked fine for the first couple of days. On the third day it started having issues.

The keyfob that came with the van is still working fine. Only the new keyfob is having issues.

Using the new keyfob, when I attempt to start the van by pressing the start button on the dash, the instrument cluster says Keyfob not detected. If I use the RFID option and press the start button on the dash with the keyfob the van starts fine. If I put the keyfob on the center console (within a few inches of the van's keyfob antenna), the van starts fine.

All of the new keyfob's other functions work fine (doors open remotely, the van locks and unlocks when I touch the appropriate spots on the door handles, etc...).

I replaced the new keyfob's battery, but the symptoms remained the same. The new keyfob still had to be on the center console for the start button on the dash to work.

Since the original keyfob is working fine, this seems like it must be a problem with the new keyfob.

The obvious conclusion is that the new keyfob is not broadcasting a strong enough signal for the van's center console keyfob antenna to pick up (unless the new keyfob is very close to the van's center console keyfob antenna).

These are my questions...

1. Can this new keyfob be repaired or tweaked to broadcast a stronger signal?

2. If the answer to Question 1 is yes, is it likely that my Chrysler dealership will be able to fix it? Or is this something I will have to do myself by tweaking the innards of the keyfob (ie. soldering on an antenna wire, or something)?

3. If the answer to Question 1 is no, that implies the only solution is replace the new keyfob. Is there another alternative? I've already paid to have this new keyfob programmed, I'm not anxious to return it and then have to pay to have another keyfob programmed.

Thanks
Hi SYaeger,

You got great advice here. We also recommend connecting with your dealership to make them aware. If you need any assistance with this, please let us know.

Jasmine
Chrysler Social Care Specialist
 

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Discussion Starter #5
I actually tried a few new batteries (I do a lot of Arduino and Picchip projects, so I keep a decent supply of CR2032s around). I verified voltage outputs with a meter and they were all way over the specified 3 volts.

Unfortunately I didn't buy the keyfob from the dealer. The dealer price was about $190 for the keyfob and blade, an additional $160 for programming, and $13 more for cutting the blade.

I bought the "new OEM keyfob" and blade from a Prime listing on Amazon, for $70. The keyfob is guaranteed for 90 days. So I can return it and get another one. But if I return it and pay to have the replacement programmed, the savings will be all but lost. And I will still be left with a keyfob from a source that I no longer trust.

If I or the dealership can fix it, then I will save the additional programming cost and I will be much more comfortable than I would be with another one (from the same source), that I don't trust and don't know how to fix.
 

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That is the same place I got my keyfob from. :frown2:

It is interesting that the markings on my original keyfob match the markings on his new keyfobs. And the markings on my new keyfob match the markings on his original keyfobs.

I opened up my new and original keyfobs and compared the circuit boards. They both appear to be manufactured by Continental-CarKey.com They are almost identical, even down to the color of the individual SMD components.

I re-soldered what appeared to be and tested out as a cold solder joint on one of the SMDs. It didn't completely fix the problem, but it seems like it works from a slightly greater distance (about a foot from the center console). The new keyfob now works if I have it in my right hand pocket when I sit in the driver's seat.
 

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That is the same place I got my keyfob from. :frown2:

It is interesting that the markings on my original keyfob match the markings on his new keyfobs. And the markings on my new keyfob match the markings on his original keyfobs.

I opened up my new and original keyfobs and compared the circuit boards. They both appear to be manufactured by Continental-CarKey.com They are almost identical, even down to the color of the individual SMD components.

I re-soldered what appeared to be and tested out as a cold solder joint on one of the SMDs. It didn't completely fix the problem, but it seems like it works from a slightly greater distance (about a foot from the center console). The new keyfob now works if I have it in my right hand pocket when I sit in the driver's seat.

https://www.ebay.com/itm/2017-Chrys...788992?hash=item48a8273c80:g:lQoAAOSwSKtadINU

These guys are a junk yard I believe and have quite a few keyfobs...just go to their store on ebay ans search for pacifica. You might have better results getting a fob that is used but from Chrysler. Good luck.
 

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Coming from a dealership technician, I cringe a little when customers come to me for programming non dealer supplied FOBs. Not because they didn’t buy it from us but In my experience they are hit or miss (mostly miss). I don’t think I’ve ever had a bad dealer supplied FOB. IMO I wouldn’t waste my time with any other FOBs for my personal cars because the quality just isn’t there for aftermarket or non dealer supplied FOBs.
 

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If they appear to have been made by the same manufacturer, is there a possibility they (or someone) were unloading some not quite up to par FOBs on the net? The old rule caveat emptor still is in effect.
 

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Coming from a dealership technician, I cringe a little when customers come to me for programming non dealer supplied FOBs. Not because they didn’t buy it from us but In my experience they are hit or miss (mostly miss). I don’t think I’ve ever had a bad dealer supplied FOB. IMO I wouldn’t waste my time with any other FOBs for my personal cars because the quality just isn’t there for aftermarket or non dealer supplied FOBs.


+1 to this. I would never buy an eBay / Amazon key and take it to a dealership to program. As I understand anything and everything sold over internet is complete Chinese made junk, even if labeled as OEM and or manufactured elsewhere.

For those who are ordering a Pacifica, an easy solution is to order a Keysense package. It’s only $175 for a brand new OEM key. You can’t beat that.

Sent from my iPhone using Tapatalk
 

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I have same issue. DEalership programed, all fine except must be over console to start. Sound like inherent defect
Hi cartek54
We're sorry you are having these troubles. Please feel free to send us a private message if you plan to work with your dealer to find a solution to this. We would be happy to provide additional assistance to you while your Pacifica is at the dealer.
Lydia
Chrysler Social Care Specialist
 

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I have brought my 2019 Pacifica into the dealership about the key fob not recognized and they say without a code showing up there is nothing they can do. Today this problem got worse when the car would not turn off. This problem had occurred on a regular basis and with either of my fobs. I've had the batteries replaced and had it checked by the dealership.
I've tried the remotely start it on several occasions and that helped at times. Now the remote started the van but won't allow me to press the ignition button to drive the van.
I cannot rely on this vehicle to work properly.
What is the solution that the manufacturer is taking to correct this problem
 

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Have you checked your main and aux battery?

I've hear that for some owners who had issues with the remote start it was cause by a failing battery.
 

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It is not a manufacturing problem, as it is rarely reported here. As @thclimer said, have both your main batteries checked. If that's not the problem, you need to lean on the dealer to get Chrysler involved in the diagnosis.
 
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I have brought my 2019 Pacifica into the dealership about the key fob not recognized and they say without a code showing up there is nothing they can do. Today this problem got worse when the car would not turn off. This problem had occurred on a regular basis and with either of my fobs. I've had the batteries replaced and had it checked by the dealership.
I've tried the remotely start it on several occasions and that helped at times. Now the remote started the van but won't allow me to press the ignition button to drive the van.
I cannot rely on this vehicle to work properly.
What is the solution that the manufacturer is taking to correct this problem
I assume you have changed the fob batteries (CR2032) and will get the auto batteries checked. See if it helps to private message@ChryslerCares to see if they can assist you with the dealer or look for a different dealer to work on your van.
 

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I have brought my 2019 Pacifica into the dealership about the key fob not recognized and they say without a code showing up there is nothing they can do. Today this problem got worse when the car would not turn off. This problem had occurred on a regular basis and with either of my fobs. I've had the batteries replaced and had it checked by the dealership.
I've tried the remotely start it on several occasions and that helped at times. Now the remote started the van but won't allow me to press the ignition button to drive the van.
I cannot rely on this vehicle to work properly.
What is the solution that the manufacturer is taking to correct this problem
(my emphasis0
I would think that the van not turning off is not a fob issue. It could a bad push button, or, as has been mentioned, battery issues have really strange side effects. But that this issue exists could help point to a solution.
 
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