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PSM & ABS warning lights

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andyc14
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andyc14 PCGB Member
2019/06/12 09:23:42 (permalink)

PSM & ABS warning lights

hi, bought my first Porsche a few weeks ago, always wanted one so decided on a 2002 Boxster S as my tentative dip into Porsche. I love it already!
 
however, I was driving the other day and the car beeped and put up 2 fault codes, PSM & ABS. It stayed on until restart when it appeared to have cleared. Since then every time I drive the car it comes on after 2 to 4 miles.
 
a bit of background, the previous owner had only covered about 300-500 miles in total over the last 3 years (don’t know whether this may have any effect).
 
has anyone had any experience with this type of fault and possible causes?
 
thanks in advance!
 
Andy

6 Replies Related Threads

    Motorhead
    PCGB Member
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    Motorhead PCGB Member
    Re: PSM & ABS warning lights 2019/06/12 16:48:26 (permalink)
    Andy,
     
    Low battery voltage can throw up different warnings. If the car's had little use and hasn't been on a battery conditioner it's possble that the battery is on its way out, so best to get it checked-out before looking elsewhere.
     
    Jeff

    987.2 Cayman S
    North Bedfordshire
    PCGB R10 and R24
    andyc14
    PCGB Member
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    andyc14 PCGB Member
    Re: PSM & ABS warning lights 2019/06/12 17:16:47 (permalink)
    Thanks Jeff
     
    my understanding from the previous owner is that the battery was replaced just over 2 months ago.
     
    thanks for your help anyway.
     
    Andy
    malarcy
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    malarcy PCGB Member
    Re: PSM & ABS warning lights 2019/06/12 17:25:23 (permalink)
    I would echo the battery thing - even a new battery can have low charge - and boxsters are very sensitive to it - if you have the chance get a charger on it - and if it changes nothing after that - then you have to dig deeper. Ideally a scan with a porsche "aware" scanner (generic scanners won't have a clue about psm/abs), but as a general guess, one may well follow the other - psm is likely sulking because of the ABS fault - and that could be as simple as a brake light switch or a wheel sensor or could be a number of other things. Suggest get it into an independant specialist who can read the codes - or look out on here, or on boxa.net for enthusiasts local to you with the kit who will "scan for beer"
     
     
    andywill
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    andywill PCGB Member
    Re: PSM & ABS warning lights 2019/06/12 22:19:02 (permalink)
    Hi Andy
    Its not an uncommon issue this link may be of some help.
    https://www.porscheclubgb.com/forum/tm.aspx?m=934868
    Good luck
    Andy

    Andy Willis.
    996 Register Secretary.
    andyc14
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    andyc14 PCGB Member
    Re: PSM & ABS warning lights 2019/06/12 23:38:37 (permalink)
    Thanks for the advice Andy.
     
    i think I just need to get a diagnostic scan done and go from there.
     
    thanks again 
     
    Andy
    andyc14
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    andyc14 PCGB Member
    Re: PSM & ABS warning lights 2019/06/12 23:40:32 (permalink)
    Thanks for the advice - I appreciate it.
     
    cheers
     
    Andy
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