Lost my fob, need a new one.

[TDot]

I lost my fob at work today (luckily I have a backup) and I just need some clarifications on a few things. I know I need to buy a new fob with the same FCC ID and a blank key to be cut.

1/ can I buy a used fob with the same ID and just have its code reprogrammed, or do I need a new one to be programmed?
2/ can the fob be for a Nissan as long as it has the same FCC ID?
3/ if the blank key comes with a transponder, does that mean both the fob and the key can be programmed? Will that mean the key by itself will be able to open the door if its within proximity by pressing the door button on the car?
4/ any guesstimate on the cost of cutting a key like this?
5/ I see the average cost to program the fob is $40, is that correct?

Thanks.

[The00Dustin]

1) All keys that are to work after programming need to be present at the time of programming.
2) IDK...

If your new FOB ID number matches your old FOB (marked whatever) and the old FOB works, I "believe" as long as they are the same ID number, the new one should work. I mean regardless of Nissan or Infiniti labels, I would believe the same FCC number would mean the same frequency set et al; I "believe."

I do "believe" you need the same FCC ID numbers, I do "believe."

I assume he heard/read this somewhere, seems like I have as well, but I couldn't find the original source.
3) New factory fobs include a blank key that I don't believe has a separate transponder. Unless you are buying a valet / 3rd party key, I don't see this being an option. However, a cut key can open the driver door by turning the lock tumbler.
4) IIRC, our keys are standard keys with a jagged edge on the outside. Cutting cost should be minimal in that case. OTOH, if they are flat keys with a jagged track down the middle, I have no clue on cutting cost.
5) See these threads for comments on programming costs (and possibly answers to other questions above):
floor-mats-key-fob-450-for-programming- ... l#p5421472
m45-key-fob-completely-owned-me-t300196.html#p3208622

[TDot]

Thanks.
1/ I'm not sure if you answered my question. Basically if a fob was previously programmed to someone else's car can it can be reprogrammed to my car?
3/ The key that comes with the fob is cut already so I'd have to get a blank one to be cut, and the blank ones say they have a transponder. I'm wondering if that means the key itself can be programmed along with the fob. Just wondering how it works.

[TDot]

I got 1 answered, still waiting for 3 if anyone knows.

NY/NJ is rediculous with the cost of programming the fobs $90-$150. Funny enough the few Nissan dealers that would touch it charged the most; you'd think it would be the other way around. I found one spot in NJ that will do it for $65. And I just won my bid for a fob at $23 and I'll get a blank key for $6. So call it $105 after the key is cut I'm hoping.

I'm wondering if I should get another back up if I decide to do a smart start for the winter so they don't have to splice into any bcm.

[The00Dustin]

Sorry, I had to re-type my entire message after somehow wiping it out and was in a hurry.

While you already got (1) answered (perhaps from a PM, perhaps from those other links, for the record: The car is programmed, not the fob, so yes, a used fob is fine.

Regarding (2): Are you looking at a key that goes inside the fob? I find this difficult to believe, as the car will start with only the fob (without the key being in the fob / car), but I don't know how it could start with only the key. However, if you are talking about a spare key that doesn't go with a fob, then if it says it has a transponder, I would expect it to require a battery and be programmable separately. If the key doesn't have room for a battery, then I don't see how it can start the car since the fob won't start the car without the battery except maybe if it is inserted in the slot and the key wouldn't "fit" in the slot.

ETA: My comments are based on an 06-07. I doubt this changed for 08+, but 03-04 models are definitely different.

[cruzad3r]

you need all of your fob to recode to your car. that then would render your lost one useless ( in term of opening and starting your car)
Nissan dealers here in CT charged me about 100 - i think they consider that as one hour for labor. For that they recode all three of my fobs.
per fob and blank key, unless you do need the actual key, buying the fob with the same FCC number is fine. you only need the actual key when your car's battery die and fob can't open the door.

[jiggersplat]

Thanks.
1/ I'm not sure if you answered my question. Basically if a fob was previously programmed to someone else's car can it can be reprogrammed to my car?
3/ The key that comes with the fob is cut already so I'd have to get a blank one to be cut, and the blank ones say they have a transponder. I'm wondering if that means the key itself can be programmed along with the fob. Just wondering how it works.

you are programming the car to accept the fob, you aren't changing anything on the fob.

i see no reason why the actual metal key would have a transponder in it since you can't start the car with it anyway. other cars have the transponder in the key as an additional anti-theft device but i can't imagine why you would need that with the intelligent key fob.

[ericthered]

When I bought 2 extra FOBs from Scottsdale, they did not come with key blanks.
The local dealer charged me $27 for each key, cut when they reprogrammed all 4 fobs together for I think $75-$90.
I did not want to go to a dealer for FOB reprogramming to find out the new/used FOB I gave them does not work, something I am told is common (but cannot corroberate).

Why 4 fobs? I lost one, figured I'd never find it, ordered two more just in case, and you know what happened after that :P

And if you take two of them with you, the car won't let you leave the extra FOB locked in the trunk or in the passenger compartment.

[Emans_Fuga]

I lost the FOB for my 05 M45, so i have 0 now, is the programming for this yr the same as the newer yrs or can an outside source get the code to program a key for me?

[The00Dustin]

I lost the FOB for my 05 M45, so i have 0 now, is the programming for this yr the same as the newer yrs or can an outside source get the code to program a key for me?

Since you obviously searched, I won't chide you for not reading the thread (my posts specifically referred to the 06, which you obviously mean since there is no 05 and your profile says 06). That having been said, the 06-07 model year car must be programmed and it requires a consult system according to what I've read here and heard from dealers, however, I've also heard of locksmiths that can program them, so it wouldn't hurt to ask one. Your big problem, though, is going to be finding the right fob since you don't have an FCC ID to compare, so unless you find a locksmith with fobs to try, you probably need to go to the dealer to get one and then get more after it's working.

[Emans_Fuga]

yeaaaa, that was a typo, my apologies. thanks for the info

[FlawleZ]

I can say the physical metal key itself doesn't need any programming. I personally had a spare cut at the local hardware store and it works well for opening the doors.