Peugeot 307 Immobiliser Issue
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  1. #1
    Tadpole
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    Default Peugeot 307 Immobiliser Issue

    Hi, my apologies if this is the incorrect place to post such a request. I am new to this forum.

    I recently had my 2003 Peugeot 307 battery go completely flat. After charging the battery, and putting it back in the car, the engine will no longer start. The lock light on the dash flashes rapidly, and the engine will turn over but will not start.

    I have done quite a bit of research online and discovered that I may need to have a special tool and software in order to fix this issue.

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    If there are any members in the Sydney area who may have more information, or the equipment required and would be willing to assist me in getting this car running I would greatly appreciate it and compensate you for your time.

    Thanks in advance, and I look forward to being an active member of this forum.

    Michael

  2. #2
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    Welcome to AF.

    You have unhappily learned what happens to a computerised bus car when (a) the battery goes flat and (b) it is removed and replaced without going through the shutdown procedure. The computer is never off, and doesn't like an instant power down. There is a period when it must be allowed to save its state after turning off, and to restore on waking. See the car's handbook for the wait times, and for safety double it.

    I have seen 307s go insane after an instant roadside battery change, with windows going up and down by themselves and other unwanted nonsense like flashing lights. The immobiliser circuits will not be released, so there will be no starting.

    The computer can be got right again using the software and cables. I hope a Frogger is nearby, otherwise there's the dealer at Warwick Farm or an independent specialist, Collier's at Granville. But first, just in case it's all still intact, try turning off and leave unlocked - wait - disconnect battery - wait - reconnect battery - wait - ignition on. Go through a cuppa for the waits. You'll have to reset the radio and personal settings etc afterwards. The worst possible scenario is the need for reinstalling the firmware.

  3. #3
    Tadpole
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    Thanks Seasink, definitely tried everything. Holding out hope someone might be able to assist before I go to the expense of having it towed to a dealer.

    Thanks again.

  4. #4
    1000+ Posts robmac's Avatar
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    You have unhappily learned what happens to a computerised bus French car when (a) the battery goes flat and (b) it is removed and replaced without going through the shutdown procedure. The computer is never off, and doesn't like an instant power down. There is a period when it must be allowed to save its state after turning off, and to restore on waking. See the car's handbook for the wait times, and for safety double it.
    Fixed it for you.

    And FWIW I can assure none of other car brands I've owned behave like above. Toyota, Mazda, Skoda , Audi all power up cleanly from a battery that has been allowed to discharge. An issue like this relates to basic electronic engineering common sense and good design.

    And some Peugeot's have the added trait of re-writing/ deleting coding between the can bus elements.

    Ask addo about his experiences abou scrambled can bus Id codes.
    Mutual Respect is Contagious


  5. #5
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    Unfortunately the "French" bus and computer is the work of Robert Bosch GmbH, who come from Stuttgart. Bosch fitted CAN to a large low production BMW model as long ago as 1987.

    I'm not defending the design, but it is a fact of life for early bus-based cars, like the 307. If you don't give the computers/control-units time to do their thing, some unexpected stuff results. You'd think that between the early BMW and the adoption by Peugeot years later Bosch would have twigged, but it seems not.

    Later cars like the Citroen C5 X7 aren't as fussy. Nobody publishes witch doctor routines for them.

  6. #6
    1000+ Posts robmac's Avatar
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    Quote Originally Posted by seasink View Post
    Unfortunately the "French" bus and computer is the work of Robert Bosch GmbH, who come from Stuttgart. Bosch fitted CAN to a large low production BMW model as long ago as 1987.

    I'm not defending the design, but it is a fact of life for early bus-based cars, like the 307. If you don't give the computers/control-units time to do their thing, some unexpected stuff results. You'd think that between the early BMW and the adoption by Peugeot years later Bosch would have twigged, but it seems not.

    Later cars like the Citroen C5 X7 aren't as fussy. Nobody publishes witch doctor routines for them.
    It seems to me, it's ultimately the car manufacturers issue.

    Bosch are but a sub contractor supplying custom assemblies to the car manufacturer. Who also have an engineering team to liaise with such "assembly makers". And ultimately the buck stops with the manufacturer's engineers.

    Bloody fools for accepting such a "buggy" product IMO.

    Something Japanese would be much better and almost problem free as to the power up issue and ultimately more reliable as the Renault-Nissan Alliance vehicles have proven.

    The electrics/ electronics always seem to be a weakness in Peugeot and to a lesser degree Citroen in times gone by.
    Mutual Respect is Contagious


  7. #7
    sans witticism SLC206's Avatar
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    Quote Originally Posted by Itsmichael View Post
    Hi, my apologies if this is the incorrect place to post such a request. I am new to this forum.

    I recently had my 2003 Peugeot 307 battery go completely flat. After charging the battery, and putting it back in the car, the engine will no longer start. The lock light on the dash flashes rapidly, and the engine will turn over but will not start.

    I have done quite a bit of research online and discovered that I may need to have a special tool and software in order to fix this issue.

    If there are any members in the Sydney area who may have more information, or the equipment required and would be willing to assist me in getting this car running I would greatly appreciate it and compensate you for your time.

    Thanks in advance, and I look forward to being an active member of this forum.

    Michael
    Do you have the little blue credit card with 4-digit PIN or code on it? You will probably need this as well.
    Regards,

    Simon

    2014 208 GTi 2011 DS3 DSport
    ----
    2007 207 GTi 2004 206 GTi180 2000 206 GTi 1995 306 XT

    www.peugeotclub.asn.au

  8. #8
    Tadpole
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    No I purchased the car second hand, so I don't have the code. Is there another way to obtain it ?

  9. #9
    Fellow Frogger! dimistyle's Avatar
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    You can request the code from a Pug dealer if you're the owner. May take a day to get the code out of France. You will still need someone with Planet software to sort out the BSI. Any Sydney siders able to help get this 307 back on the road!

    Sent from my SM-G900I using aussiefrogs mobile app

  10. #10
    Member dmccurtayne's Avatar
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    I hope you all know that the van network is the issue here not the can and that's why you only see this problem on pre 2005 206 and 307s which was developed by Renault and peugeot .
    Come on guys .
    Anyhow have you got this thing going yet or do you need help .

  11. #11
    Fellow Frogger! dimistyle's Avatar
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    Maybe best to PM not sure they are on regularly

    Sent from my SM-G900I using aussiefrogs mobile app

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