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Discussion Starter · #1 ·
Hi bought an R reg hyundai se this week bought it cheap due to the abs light on. i have been fixing cars for years so thought it not to be a big problem.
after stumbling on this forum and joining i found a link to the "short pin 15 to earth and count the flashes trick"

ok, so i first tried disconecting the battery and pressing the brake to reset the ecu. the abs light is always still on.
i then tried the short pin 15 trick and nothing, now i have the airbag light on too, this flashes as it is supposed to then stays on.

have i messed up something and made it worse?
i have a code scanner tool it fits the plug but wont connect to the car so i assume its different protocol.
what are my options

thanks for any replies
tony
 

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the airbag light can only be reset using hyscan, so I probably wouldnt worry too much about that, you just need to find somewhere that will do it for cheap/free.

as for the abs it's probably a dirty or broken sensor in one of the wheels.
 

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as above.you may find someone with equipment to reset the light for a fiver.ask at local garages mate ;)
 

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Discussion Starter · #4 ·
so i suppose its getting the same garage to tell me what is knackeredon the abs too.
thanks for the info. why did i trigger the airbag light then,
was it disconecting the battery or earthing pin 15?. does this method usually work or is it just american spec coups
 

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I'm not aware of the earthing pin 15 trick, but the abs light triggers for a miltitude of problems, voltage too low, voltage too high, disconnecting the dash without first disconnecting the battery can cause it, if you caused a short somewhere that could trip it too.
 

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Had same problem for ages, changed all for ABS sensors, the next plan was to have the ABS controller put onto a diognostics machine, and reset. However after 3 monthes it just went out (still shows up when I start up, so not a blown bulb). A week after it went out I finally found someone in Norfolk with the correct diagnostic equipment.
 

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Discussion Starter · #7 ·
abs problem is down to the reluctor ring corroding and expanding causing the sensor to rub i snapped the ring off and the sensor is still working as the abs light now goes off when i start the car and comes on when i move.
wheres the cheapest place to buy a new cv. mines clicking anyway so can cure both problems in one go
 

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I've always went to my local garage, they normally get them at the same price as my local motor factors.
 

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Discussion Starter · #10 ·
i am in the trade and they cannot be sourced locally only from main dealer
any hyundai specialists around someone can suggest?
 

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Hi, i'm also having a problem with my ABS light its been on for ages now but it comes on at random times! The light will be off but when i stop it comes on seems completely random though some times it doesn't come on at all. and it comes on when i'm not even using the brakes. a garage said that it was the wheel speed sensor causing it or something and turned it off, but as i new it would it came straight back on again 5 miles down the road. does anybody have any ideas?

my handbrake is also broken! i bought a new handbrake cable (left side) as it was seized but still no good so i think the calliper must be seized aswel, has anybody else had this issue? or any suggestions? help is much appreciated!
 

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calipers seizing is a pretty common problem, there is a pretty cheap supplier in our discount's area for these, the sensors are also a pretty common thing, I guess they get dirty, which is why it's intermittant
 

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oh right ok thanks, so do you suggest just getting new callipers rather than taking them off and putting abit of wd40 round them n exercise the piston?
 

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it depends how bad they are, I know I had a couple freed by a garage on my gen 1 which was great, but I had one seize on my gen 3 yestoday which ment I couldnt drive it far so ended up getting robbed £250 for a caliper and pads that I could have bought for £100ish online because it locked on on the way to work and I was stuck with nothing but a national tyre center near.
 

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Oh dear! lol well its luckily seized off and not on so i think ill try and fix it if i have no luck ill buy a new one! cheers for your help.
 

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Be careful where you put the WD40, don't want it between caliper and disc. You can get proper brake spray that does the same job, but evapourates, unlike WD40, which stays there.

Lidl I'm starting to think you brought a banger, you never had all these probs with the Gen1.
 

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Hi eggcatcher, yeah i've got some of that spray at my old mans so i'll use that. i've got abit of time off work so i think ill give it ago n no doubt let you all know how i get on!
 

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Also check the caliper slider pins as i have had 4 all seize on me as they rust up pretty badly. I manged to get them out and sand down all the rust and then regrease. They have been fine since, Tho i make sure i check the slider pins at least every 3 months now just to keep an eye on them.
 
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