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ABS warning light

Discussion in 'Problems, Fixes, Tips...' started by Steamer775, Sep 18, 2019.

  1. Steamer775

    Steamer775 Copenworld Newbie

    Joined:
    Jul 24, 2014
    Location:
    S Glos
    Car(s):
    Copen
    I’ve a weird one here. Two or three months ago my ABS warning light started coming on intermittently. The mechanic said the system was flagging a problem with the front left sensor but the reluctor disc (?) was dirty and when he cleaned it up the problem went away. Sorted ...?

    Then a few weeks ago the problem recurred but this time the error code is for the rear left sensor and this time cleaning it up doesn’t help. The light generally only comes on after about half an hour of driving. Sometimes the rear left code is followed by a rear right code, all indicating a sensor problem.

    Another driver helpfully caused me to test the ABS (!) the other day and it worked fine.

    It seems too much of a coincidence for two or three sensors to fail within the space of a few months. Has anyone else had anything similar?

    And where can I get a replacement sensor anyway? (07 plate, 1.3L). Several dealers have drawn a blank.
     
  2. Steamer775

    Steamer775 Copenworld Newbie

    Joined:
    Jul 24, 2014
    Location:
    S Glos
    Car(s):
    Copen
    Help!

    This gets worse: mechanic can't get hold of an ABS sensor; none available online; Daihatsu UK website doesn't work (just freezes when I try to submit a service request); dealer numbers given on the Daihatsu website are all "out of service"; Toyota deny all knowledge.

    It shouldn't really have passed the last MoT and if I can't find a replacement it will fail the next one.

    What do I do?
     
  3. BarnsleyRob

    BarnsleyRob Copenworld Veteran

    Joined:
    Feb 2, 2017
    Location:
    South Yorks
    Car(s):
    2009/59 silver Copen 1298 cc (now gone to a new home)
    Firstly, you need to approach the search with a degree of flexibility. While the numbers on the Daihatsu website may well be out of date, you might find that the dealer is still in business under a different franchise. My nearest dealer is now flogging Great Wall motors

    Hepworth Motor Co Ltd. Used Cars in Holmfirth

    So with some lateral thought, or a further enquiry here, you may well find a local place that still has the necessary expertise.

    Secondly, while I’m sure you want to resolve the issue quickly, one post is enough for us to get the gist.
     
  4. Steamer775

    Steamer775 Copenworld Newbie

    Joined:
    Jul 24, 2014
    Location:
    S Glos
    Car(s):
    Copen
    Thanks Rob

    To address your second point first: I re-posted because I had further info and because, after three months with no reply to my original post, I suspected it had become submerged amongst more recent posts before being read by anyone with anything to offer.

    I was initially puzzled by your reference to Great Wall but I see from this item
    Daihatsu out, Great Wall in
    that they started working through a lot of former Daihatsu dealers around 2013. However I think you're particularly lucky with Hepworth Motor Company: my nearest Great Wall dealer makes no mention of Daihatsu and has some of the worst online reviews I've seen so I won't be trying them.

    I did manage to track down the nearest dealer listed on www.daihatsu.co.uk (still nearly 30 miles away). They told me that ABS sensors for Copens are no longer made; that the front right sensor is no longer available; that there's only one front left available (at £250!) and that availability of the rear sensors is questionable. So I'm faced with a real prospect of having to scrap an otherwise perfectly good car for want of one part.

    The plot thickens. I've found a post from 2010 (which I missed in my earlier searches) from someone with identical symptoms to mine, but replacing the ABS sensor didn't fix the problem. The optimist in me wonders if there's an underlying problem here that falsely reports as a sensor fault, so that in fact I don't need a part that's either unavailable or stupidly expensive: the pessimist in me points out that, with two instances of the problem in nine years, I'm unlikely to find someone who knows the answer.

    However my optimist has faith in the CopenWorld community!
     
  5. AFR0N1

    AFR0N1 Copenworld Regular

    Joined:
    Mar 22, 2018
    Location:
    Greater Manchester
    Car(s):
    Daihatsu Copen L880K (KMVZW)
    Have you tried getting a sensor from a Copen that is already being parted out?

    Also the problem doesn't necessarily have to be the sensor, it could be a bad wire or the abs module could be faulty.
    Start by testing the sensor it's self to make sure it is the real culprit.
     
  6. BarnsleyRob

    BarnsleyRob Copenworld Veteran

    Joined:
    Feb 2, 2017
    Location:
    South Yorks
    Car(s):
    2009/59 silver Copen 1298 cc (now gone to a new home)
    I’d get another mechanic. If the fault has shifted, it could be the ABS block, which is the bit that transfers the brake pressure around. I’m no expert, but I understand it has some wire gauze filters in there that could be clogged (think I saw it on Wheeler Dealers). Find that and clean/flush it. Otherwise as far as I know, ABS sensors are fairly generic but rely roar rings are very specific to the model.
     

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