780 Fixed my ABS light

I'd had the ABS light on for a bit, and got around to trying to fix it today.

Reflowed the big solder joints and it seems to have sorted it.

The box had previously been opened (presumably for the same repair) and the previous repairer had cut a small section of the housing away and resealed, which looks like it removes the need to mess with the factory seal around the edge of the unit or the removal of the posts the screws run through. Maybe a good option for people who don't want to crack that original seal.



  • Ooh, nice hack!
  • For the record, the abs/tracs lights came on again a couple of weeks ago. I removed the box again, and this time added leaded solder to the 4 main large solder joints, as I feel like the consistency of whatever solder was used from the factory is weird and maybe prone to cracking. It seemed to flow into the existing solder well. Lights are now off again, passed rego check, so hoping that's the last time I need to do anything to it.

    Would recommend anyone doing this job to also add some good old lead to the mix.
  • Lead based silver solder and never go back
    I think you need to add i was in an s80 with three wheels getting pulled backwards and was told to "hold on shit is about to get real".
  • MaxMax (@Max) Central Coast NSW

    This's inspired me to 'fix' the AABS/TRACS light on our C70.
    It's off and on for the last 20,000kms or so and more a nuisance than a threat.


    Max & Nicola.
    2002 S40 Turbo 302,000kms drives like new. .
  • MaxMax (@Max) Central Coast NSW
    ... and lead would make it more malleable I feel.
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