2006 407 coupe programming issue ? FOB

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stan21
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Re: 2006 407 coupe programming issue ? FOB

Post by stan21 »

could a bad keyfob battery also cause this error ?
Reason i ask is i have a charger that can do a load test, and i did the test, as i did the test the battery dropped to 1.6v as the charger probed the battery, now i'm not sure if it's normal for a coin battery to go that load under a load test or if the battery itself is bad ?

However the battery does have enough power to unlock the car.
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Re: 2006 407 coupe programming issue ? FOB

Post by GiveMeABreak »

The fob battery hardly uses any power - it’s only sending a coded signal when used as a remote.

The car would still start without a battery as the transponder chip in the fob can be energised from the ignition transponder coil to send its data. So no, I think you have either an electrical issue related to the car / BSI or just need to do a proper BSI reset.
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Re: 2006 407 coupe programming issue ? FOB

Post by stan21 »

Ok thanks, i got up early to do the reset, tried it twice, but it did not work.
the key with cross still shows along with 1 beep.

the second time i tried it it said immobiliser fault on the console along with the key cross image, i assume means the same thing that the key is not recognized and that the first time the console screen was just not on.

I refuse to believe that the BSI is damaged, as i did not do anything strange to it, and my problem is that if i take it to a locksmith, they might very likely tell me the BSI is shot and i would have to pay,when i firmly believe that possibly only coding would have to be done ?

What would you suggest as a next step ?

Is there a way to actually test the key itself to see if the transponder on the key is actually working ?

As a last resort which i feel might be neccesarry, is there a way to disable the imoobilizer either through something like planet peugeot if i could find someone that has it or can it be mechanically disabled ?

The thing is, if i have to get a new BSI, i might as well scrap the car, as it is not worth the money to get a new BSI, and what if it happens again after replacing it.
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Re: 2006 407 coupe programming issue ? FOB

Post by myglaren »

Am I missing something here or could it be that the transponder aerial has failed - not unknown with Citroens and the 407 presumably uses the same system?
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Re: 2006 407 coupe programming issue ? FOB

Post by Paul-R »

I may have missed this but do you have a spare key and, if so, does that work?
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Re: 2006 407 coupe programming issue ? FOB

Post by doctle »

You can probably fool the car into thinking the drivers door is closed by using a Philips screwdriver to rotate the latch
Oh buggle
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Re: 2006 407 coupe programming issue ? FOB

Post by GiveMeABreak »

stan21 wrote: 05 Apr 2019, 07:35 Ok thanks, i got up early to do the reset, tried it twice, but it did not work.
the key with cross still shows along with 1 beep.

the second time i tried it it said immobiliser fault on the console along with the key cross image, i assume means the same thing that the key is not recognized and that the first time the console screen was just not on.

I refuse to believe that the BSI is damaged, as i did not do anything strange to it, and my problem is that if i take it to a locksmith, they might very likely tell me the BSI is shot and i would have to pay,when i firmly believe that possibly only coding would have to be done ?

What would you suggest as a next step ?

Is there a way to actually test the key itself to see if the transponder on the key is actually working ?

As a last resort which i feel might be neccesarry, is there a way to disable the imoobilizer either through something like planet peugeot if i could find someone that has it or can it be mechanically disabled ?

The thing is, if i have to get a new BSI, i might as well scrap the car, as it is not worth the money to get a new BSI, and what if it happens again after replacing it.
Ok, so can you pop your VIN up here so I know exactly what system you have. You haven't mentioned if this is a petrol or diesel 3.0 - as the immobiliser systems are different. VIN would be better.
Before we start looking as BSIs, then we need to be sure the things like the transponder coil is working etc. as mentioned by others.
You really need to connect up PP2000 and do a Global Test, then report back what faults are showing. You can also undertake some tests to see what is or is not happening with the immobiliser system when you put the key in the ignition - there are tests that can tell you if the key is recognised or not etc. So let's start with getting some info from the diagnostic first.

You cannot disable the immobiliser using PP2000 - that's a non starter. So I'll have a look at what system I think you have - but I really need the VIN to determine what exactly you have.
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Re: 2006 407 coupe programming issue ? FOB

Post by Oldpug »

All I can suggest is have a word with "Trustme" on the Peugeot forum, he is a key specialist. https://www.peugeotforums.com/forums/me ... me-215085/
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Re: 2006 407 coupe programming issue ? FOB

Post by stan21 »

Paul-R wrote: 05 Apr 2019, 08:50 I may have missed this but do you have a spare key and, if so, does that work?

Ah you bring up raw memories, i had gone through a tough time a while ago and in the state that i was i somehow lost the spare key, could not forgive myself for weeks... well actually still can't haha... but anyway, IF only i had the spare KEY #-o #-o #-o
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Re: 2006 407 coupe programming issue ? FOB

Post by stan21 »

doctle wrote: 05 Apr 2019, 09:04 You can probably fool the car into thinking the drivers door is closed by using a Philips screwdriver to rotate the latch


I sat inside the car doing everything with the rear seats folded, got it done, i actually waited a few minutes longer before going to the next step as per the instructions.
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Re: 2006 407 coupe programming issue ? FOB

Post by stan21 »

GiveMeABreak wrote: 05 Apr 2019, 10:02
stan21 wrote: 05 Apr 2019, 07:35 Ok thanks, i got up early to do the reset, tried it twice, but it did not work.
the key with cross still shows along with 1 beep.

the second time i tried it it said immobiliser fault on the console along with the key cross image, i assume means the same thing that the key is not recognized and that the first time the console screen was just not on.

I refuse to believe that the BSI is damaged, as i did not do anything strange to it, and my problem is that if i take it to a locksmith, they might very likely tell me the BSI is shot and i would have to pay,when i firmly believe that possibly only coding would have to be done ?

What would you suggest as a next step ?

Is there a way to actually test the key itself to see if the transponder on the key is actually working ?

As a last resort which i feel might be neccesarry, is there a way to disable the imoobilizer either through something like planet peugeot if i could find someone that has it or can it be mechanically disabled ?

The thing is, if i have to get a new BSI, i might as well scrap the car, as it is not worth the money to get a new BSI, and what if it happens again after replacing it.
Ok, so can you pop your VIN up here so I know exactly what system you have. You haven't mentioned if this is a petrol or diesel 3.0 - as the immobiliser systems are different. VIN would be better.
Before we start looking as BSIs, then we need to be sure the things like the transponder coil is working etc. as mentioned by others.
You really need to connect up PP2000 and do a Global Test, then report back what faults are showing. You can also undertake some tests to see what is or is not happening with the immobiliser system when you put the key in the ignition - there are tests that can tell you if the key is recognised or not etc. So let's start with getting some info from the diagnostic first.

You cannot disable the immobiliser using PP2000 - that's a non starter. So I'll have a look at what system I think you have - but I really need the VIN to determine what exactly you have.


Hi Marc

ok my Vin nr is:VF3**************[VIN obfuscated, can be read by forum staff]

Sorry for not mentioning the model

It's a 2006 407 2.7 HDI V6

(can you see the vin ? It says obfuscated, can be read by staff ? i pm'ed it to you thx)

Please i need all the help i can get
Last edited by stan21 on 05 Apr 2019, 11:59, edited 1 time in total.
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Re: 2006 407 coupe programming issue ? FOB

Post by GiveMeABreak »

No that's fine I can read the VIN fine.

There are several things to consider - the transponder chip / winding in the fob is damaged (possibly when changing the battery), the transponder coil in the ignition circuit is damaged and not sending and receiving the transponder code information, thereby locking the system out. As Paul mentioned - do you have a spare key?

I was looking at the 3.0, let me see if there is anything I can see on the 2.7 - but information is extremely limited on these systems.
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Re: 2006 407 coupe programming issue ? FOB

Post by stan21 »

Thanks, I have no spare key as mentioned above in my reply to the previous poster, the key tumbler does seem slightly loose, but i had tried to move the key in several directions while starting the car to try and get the transponder coil in the ignition to interact with the key, no go.

the transponder coil on the key seems not to be damaged from what i can see, i say so because i see the coil has a very thin protective layer around it, it has not been breached, so the thin coils is likely not damaged.
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Re: 2006 407 coupe programming issue ? FOB

Post by GiveMeABreak »

Just to confirm you have the correct remote battery: Remote battery CR1620 (3V)
407 Immobiliser.PNG
If the system does not function correctly, the warning light comes on on the instrument panel display, accompanied by an audible signal and a message on the multifunction display. What does the message displayed read?

Ok just seen you last reply whilst I was posting this. If the ignition barrel is slightly loose it is possible that the transponder coil might be faulty.

Item 1 below:
407 transponder Coil.PNG
The Part number is: 6160C0

However, you really need to connect up PP2000 and do some tests on whether the key is being recognised or not. I suspect the remote is fine but the transponder coil may be the culprit or the wiring surrounding it.
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Re: 2006 407 coupe programming issue ? FOB

Post by stan21 »

Yes it has a sony CR1620 3v inside of it.

Is the transponder coil not inside the hard plastic part surrounding the barrel ? That part is firmly in place.

I just had a locksmith calling me, i told him i think that the BSI had kicked out my key and he told me i just need to bring the BSI to him and he will re-add the key to the BSI. I have no idea what he will be using but i assume PP200 or lexia ?

But now, you say the key transponder or the ignition coil might be faulty.

Is there perhaps a how to on how to remove the ignition coil ?

If i somehow find a way to take off the ignition coil, can i send it along with the BSI to the locksmith or does everything need to be connected to the car ? It's a long drive to this guy... in the meantime i'm going to see if i can find anyone that could perhaps loan me their PP2000 hardware, likely i won't come right but it's worth a shot trying.
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