C5 wheel change
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Thread: C5 wheel change

  1. #1
    Fellow Frogger! Ceenine's Avatar
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    Default C5 wheel change

    I recently changed over the 19" wheels to 18" wheels on my 2014 limited edition C5. As previously discussed on this sub-site, it requires telling the car what the code of the deflation sensors is. Unfortunately, the car can sense a repositioning of the wheels but not a new set. I don't understand this but smarter persons than me (and there are a few) do, especially the designer of the set up.

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    So, the car has thrown a hissy fit and the Service light is now perpetually on. I have fired up trusty Lexia and have not been able to find the area to turn the deflation detector. So now I have a defective detector. (apologies to John Cleese). I could not even find the place to change the codes for the changed detectors as alluded to by a smart member of this site who resides north of the NSW border.

    So I guess I need to either whip the tyres off, read the numbers on the detectors and ask a PSA dealer with a requisite competent operator to fire up the legit. computer to alter, or ask him/her to disable the detection function altogether. In the meantime I hope the Service light doesn't burn out!

    What advice!
    2014 C5 2.2 HDI Limited Edition Sedan
    2007 C5 2.2 HDI Hatchback
    2007 C4 1.6 HDI EGS Sedan
    Peugeot Mi16 Series 2

  2. #2
    1000+ Posts Ken W's Avatar
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    I think your car is too new for the Lexia software. You need to be using Diagbox software and you will probably get away with a later version 7 like V7.57. How old is your PSA interface box? When you bought it did the supplier say it was compatible with Diagbox?

    Cheers, Ken

  3. #3
    1000+ Posts Ken W's Avatar
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    There is a way to get the system to auto read the sensors but this involves pumping the tyres to a high pressure. I can't remember what pressure is required and I think it has to be done under Diagbox control. That would save you having to take all the tyres off to read the sensors, then have them put back on and rebalanced.

    Cheers, Ken

  4. #4
    Fellow Frogger! dmccurtayne's Avatar
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    I can send you your old valves back because I swapped mine over let me know

  5. #5
    Fellow Frogger! dmccurtayne's Avatar
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    Quote Originally Posted by Ken W View Post
    There is a way to get the system to auto read the sensors but this involves pumping the tyres to a high pressure. I can't remember what pressure is required and I think it has to be done under Diagbox control. That would save you having to take all the tyres off to read the sensors, then have them put back on and rebalanced.

    Cheers, Ken
    You need a forcer tool as well as diag box no other way than that or codes on new type valves

  6. #6
    Fellow Frogger! Ceenine's Avatar
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    So what is a forcer tool. Sounds a bit like a sharp screwdriver to the initiated.
    2014 C5 2.2 HDI Limited Edition Sedan
    2007 C5 2.2 HDI Hatchback
    2007 C4 1.6 HDI EGS Sedan
    Peugeot Mi16 Series 2

  7. #7
    Fellow Frogger! Ceenine's Avatar
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    Quote Originally Posted by Ken W View Post
    There is a way to get the system to auto read the sensors but this involves pumping the tyres to a high pressure. I can't remember what pressure is required and I think it has to be done under Diagbox control. That would save you having to take all the tyres off to read the sensors, then have them put back on and rebalanced.

    Cheers, Ken
    This sounds like encouraging someone with a top Tasmanian pinot to take their Diagbox to Citin. Know anybody that might be so coerced?
    2014 C5 2.2 HDI Limited Edition Sedan
    2007 C5 2.2 HDI Hatchback
    2007 C4 1.6 HDI EGS Sedan
    Peugeot Mi16 Series 2

  8. #8
    Fellow Frogger! Ceenine's Avatar
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    Quote Originally Posted by dmccurtayne View Post
    I can send you your old valves back because I swapped mine over let me know
    Sounds like a good idea in any event. I will send postage.
    2014 C5 2.2 HDI Limited Edition Sedan
    2007 C5 2.2 HDI Hatchback
    2007 C4 1.6 HDI EGS Sedan
    Peugeot Mi16 Series 2

  9. #9
    Fellow Frogger! dmccurtayne's Avatar
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    1244by
    Forcing tool

  10. #10
    Fellow Frogger! dmccurtayne's Avatar
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    Quote Originally Posted by Ceenine View Post
    Sounds like a good idea in any event. I will send postage.
    Can you pm me you address ready to go

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