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Old 08-01-16, 07:40 AM   #1
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Default Transponder chip lost

Hi
i own a peugeot 307 1.6 petrol Reg:ky02snz
and my car stopped starting the other day but the battery had power , with trying to turn it over my starter motor broke so i got that fixed and took it to the garage and they said it was the crank sensor then a hour after said it aint that its the ecu and will cost 340 pound

my friend said he can replace the ecu with another one but will need to replace keys, clocks ect

is that worth a try ?

any ideas or advice welcome

Thankyou
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Old 08-01-16, 08:00 AM   #2
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Hi

I am not 100% familiar with peugeot ECUs, however he is sort of right. The key is coded into the ECU. So if you get a 2nd hand ECU, you need to get the keys that come with the ECU ( you only need the transponders as you will have to swap the key part of it around).

Other option is to find someone with PP or Diag tool and get them to programme your transponder to the new ECU



Did the garage try and connect to the ECU at all in your peugeot?
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Old 08-01-16, 08:14 AM   #3
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yeah i found a full kit for 80 it comes with clocks aswell do they need changed ?

ok ill look into that as im not sure how much that is.

nah nothing to be fair they were useless and mucked me about in all honesty

thanks
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Old 08-01-16, 08:32 AM   #4
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Default Transponder chip lost

please don't double post.
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Old 08-01-16, 08:50 AM   #5
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Quote:
Originally Posted by nariman1977 View Post
Hi

I am not 100% familiar with peugeot ECUs, however he is sort of right. The key is coded into the ECU. So if you get a 2nd hand ECU, you need to get the keys that come with the ECU ( you only need the transponders as you will have to swap the key part of it around).

Other option is to find someone with PP or Diag tool and get them to programme your transponder to the new ECU



Did the garage try and connect to the ECU at all in your peugeot?
you are part right part wrong

You can NOT program used transponders to another vehicle on Peugeot and Citroen

they keys are not coded to the ecu, the keys are coded to the bsi and the ecu is coded to the bsi

if you are swapping you need bsi, ecu and keys from same vehicle.

unless there is signs of water in your ecu then the chances of it being broken are slim

you need to have a good read here https://www.peugeotforums.com/forums/...members-83170/ and get it properly diagnosed
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Old 08-01-16, 09:22 AM   #6
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[quote=trustme;1244178]you are part right part wrong

You can NOT program used transponders to another vehicle on Peugeot and Citroen

they keys are not coded to the ecu, the keys are coded to the bsi and the ecu is coded to the bsi

if you are swapping you need bsi, ecu and keys from same vehicle.

unless there is signs of water in your ecu then the chances of it being broken are slim



Ok thankyou,

i get a bsi with the kit plus clocks plus keys plus ignition barrel plus ecu is that it all ?
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Old 08-01-16, 09:42 AM   #7
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[quote=dangoodmma;1244234]
Quote:
Originally Posted by trustme View Post
you are part right part wrong

You can NOT program used transponders to another vehicle on Peugeot and Citroen

they keys are not coded to the ecu, the keys are coded to the bsi and the ecu is coded to the bsi

if you are swapping you need bsi, ecu and keys from same vehicle.

unless there is signs of water in your ecu then the chances of it being broken are slim



Ok thankyou,

i get a bsi with the kit plus clocks plus keys plus ignition barrel plus ecu is that it all ?
yes you dont have to swap clocks

if you dont swap the clocks the highest mileage will be stored
e.g your clocks have a higher mileage this will be stored in the bsi
e.g the bsi has higher mileage this will be stored in clocks
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Old 08-01-16, 09:46 AM   #8
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Quote:
Originally Posted by trustme View Post
you are part right part wrong

You can NOT program used transponders to another vehicle on Peugeot and Citroen

they keys are not coded to the ecu, the keys are coded to the bsi and the ecu is coded to the bsi

if you are swapping you need bsi, ecu and keys from same vehicle.

unless there is signs of water in your ecu then the chances of it being broken are slim

you need to have a good read here https://www.peugeotforums.com/forums/...members-83170/ and get it properly diagnosed
oh ok. I think it is the same with most modern cars nowadays.

Can you programe a different BSI to your ECU then? So if he gets only the BSI and transponders, then can he programe the new BSI to his old ECU so he doesn't have to swap the ECU as well?
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Old 08-01-16, 09:49 AM   #9
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nah nothing to be fair they were useless and mucked me about in all honesty
How did he come up with needing a new ECU then?

He must have done something to come up with that?

Where are you located? If you are near York, I can try and connect to your ECU and see if there are any codes or if indeed it is gone !
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Old 08-01-16, 09:56 AM   #10
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im not sure how to change the bsi is it difficult ?
isit expensive to get a mechanic to do that ?
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