Odd Fault Code (Lexia)
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Thread: Odd Fault Code (Lexia)

  1. #1
    Contented Peugeot Driver addo's Avatar
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    Default Odd Fault Code (Lexia)

    I had a facelift C5 with a bunch of oil sensor related faults logged (temp and pressure).

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    After reassigning the sources (from PSF1 to ECU) all but one went away:

    Fault Oil gauge - Not characterised
    F40A
    Not characterised
    Local

    I'm presuming - after a little nosing around - this is the oil level gauge being stuck.
    There was a slight discrepancy in the two sensor feed voltages - but I'm talking 4.98 and 5.02V so nothing outrageous.

    Anyone else seen this?

  2. #2
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    Is this related to the "Oil level measurement invalid" dashboard message that comes free with every second C5 X7?

  3. #3
    Contented Peugeot Driver addo's Avatar
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    It wasn't on an X7 but the dash oil level check was initially turned off (although the fault logged) - when reactivated it said "Oil OK".

    Does sound similar in the root - what bugs me is there are three gauges in the oil system and it just isn't clear enough which it refers to!

  4. #4
    sans witticism SLC206's Avatar
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    Three?

    I take it you mean one is oil level, one is oil pressure and one is oil temp and the error message is not telling you which one is faulty?
    Regards,

    Simon

    2018 308 GTi 2011 DS3 DSport
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    www.peugeotclub.asn.au

  5. #5
    Contented Peugeot Driver addo's Avatar
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    Exactly! And leaving any unplugged generates a different fault message which does nothing to illuminate the first.

  6. #6
    Tadpole
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    Default how did it go?

    Quote Originally Posted by addo View Post
    Exactly! And leaving any unplugged generates a different fault message which does nothing to illuminate the first.
    Sorry to bump up an old tread but did you ever solve this?

    I'm Still getting more cars with this issue
    2007 A7 GT 207 EP6 5FW 1.6vPetrol motor is my lastest victim,
    Replaced Temp, cleaned rear sensor on block, cleaned oil filter sensor I'm at a loss?
    Anyone got any tips?
    Thanks in advance
    Last edited by Assasin; 26th November 2017 at 08:04 PM.

  7. #7
    Tadpole
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    Default

    Bumped

  8. #8
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    Hi Assasin
    Addo is not currently corresponding on the forum for his own reasons so he is unlikely to reply.
    Why not start your own thread in the Technical section even and see what happens. Give a description of your problems, your readings, and your observations and see who replies. Give it a heading that will get the right people to look.
    Jaahn
    Assasin likes this.

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