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Author Topic: abs/tc/speedo problems  (Read 452 times)

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freddy69

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abs/tc/speedo problems
« on: 02 September 2010, 19:52:13 »

hi,ive had my second omega a week and when i start it up the tc,abs lights come on and my speedo stopped working.
i let the car cool doen for about 20 min and when i go to fix the problem the abs and tc lights are out and my speedo is working.
its an intermitent fault can anyone help cause its puzzling me now and quite anoying not noing how fast im doing
                     
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Elite Pete

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Re: abs/tc/speedo problems
« Reply #1 on: 02 September 2010, 19:53:00 »

Its an ABS ECU fault and quite a common one
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freddy69

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Re: abs/tc/speedo problems
« Reply #2 on: 02 September 2010, 20:07:47 »

so if ive got a spair ecu can i just plug it in to see weather it cures the fault or do i change the abs sensors.
does anyone no wich wheel picks up the speedo drive?
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amba

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Re: abs/tc/speedo problems
« Reply #3 on: 02 September 2010, 20:20:09 »

The probable fault lies within the main abs ecu which is situated on the nearside just below the pas reservoir.

It is the black box that sits ontop of the pump with the brake pipes running from it.An electrical fault develops inside and causes a fault with the pick up to the speedo/abs and power steering.

The module needs removing and ideally sent to BBA reman for repair which is about 130 all in.They turn them around in a few days if repairable,but they would ring you first to advise of fault and cost.

You could risk getting a second hand unit of an identical year and engine /gearbox type as your car,although there is no certainty that will work either.

If you intend keeping the car my advise is a repair of your unit.

Most of us have gone down that route and it is the best imho.

Excellent write up in the maintenance section of what is involved.
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freddy69

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Re: abs/tc/speedo problems
« Reply #4 on: 02 September 2010, 20:35:12 »

i still have my first omega witch i wrote off i am using for parts.its exactly the same as my newone both on a v reg would i be able to use the part off that.ive just spent nearly 900 quid on my newone and dont want to falk out more.
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Elite Pete

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Re: abs/tc/speedo problems
« Reply #5 on: 02 September 2010, 20:38:59 »

If its the same engine, size wheels and year you should get away with just swapping the ECU but if its different your car will need a chat with a tech 2 ;)
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Varche

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Re: abs/tc/speedo problems
« Reply #6 on: 02 September 2010, 22:48:51 »

Freddy. Welcome to the forum.

See this http://www.omegaowners.com/forum/YaBB.pl?num=1283262137

For alternatives ECU places if you go down the refurbishment route.
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