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Author Topic: Omega abs tc lights on, speedo failing to work  (Read 7760 times)

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omega6

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Omega abs tc lights on, speedo failing to work
« on: 17 March 2009, 16:08:08 »
HI all

recently my abs and tc lights have started coming on with the speedo failing to work,on my omega 2.5 v6 cdx 1998. any one know of any fixes, dont want to spend too much on the car as you all know these cars arent valued much .would appreciate any help, many thanks
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markey mark

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Re: Omega abs tc lights on, speedo failing to work
« Reply #1 on: 17 March 2009, 16:11:17 »
abs ecu mate sorry  :(

post some numbers up might have one to help you out !
if you look on top of alloy block were brake pipes go in there
will be a part number and 2 letters  :y
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Jimbob

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Re: Omega abs tc lights on, speedo failing to work
« Reply #2 on: 17 March 2009, 16:14:14 »
Yes, ABS ECU, 98 onwards are troublesome.

Awkward to get at to replace :(

There is a guide in the maint section

Cheapest - fix yourself, open the ecu up, and resolder the broken ribbon track.

Or get on from a breaker, such as Markey Mark above.

or send to BBA Remin (I think) who refurb

or spend £400 odd on a new one, and then some more to program it to your car!  they need to know engine size and auto / manual to work properly.
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omega6

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Re: Omega abs tc lights on, speedo failing to work
« Reply #3 on: 17 March 2009, 16:47:07 »
thanks for that guys will come back to you if any further probs
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Sir Tigger KC

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Re: Omega abs tc lights on, speedo failing to work
« Reply #4 on: 17 March 2009, 17:58:54 »
Mine went last year and I sent it off to BBA Reman, Rochester in Kent I think, who charged £125+VAT to fix it.  My local garage charged me £60 to remove and replace it when it came back.

As Jimbob says there are several ways to solve the prob, the adv with getting yours fixed is that you don't have to get it reprogrammed. :y
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markey mark

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Re: Omega abs tc lights on, speedo failing to work
« Reply #5 on: 17 March 2009, 21:02:46 »
if you match them up no need for tech 2  :y
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Entwood

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Re: Omega abs tc lights on, speedo failing to work
« Reply #6 on: 17 March 2009, 21:45:46 »
I'll agree that bba-reman do a great job, 5 day turn-around, courier it back, and give a warranty... but its about £130 ...

If you get one from a breaker, same makers year/model (same part number) it shouldn't need a Tech II ...

It's a damned fiddly job to change .. not hard .. fiddly ..  most folks don't put ALL the bolts back in ......

HTH
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Re: Omega abs tc lights on, speedo failing to work
« Reply #7 on: 17 March 2009, 22:10:43 »
I have a 2.5 auto one here from a facelift 2000 CDX...should be same part number though and shouldnt need reprogramming  :y
« Last Edit: 17 March 2009, 22:11:11 by ShieldOfSteel »
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MutantCav

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Re: Omega abs tc lights on, speedo failing to work
« Reply #8 on: 17 March 2009, 22:13:11 »
Quote
I'll agree that bba-reman do a great job, 5 day turn-around, courier it back, and give a warranty... but its about £130 ...

If you get one from a breaker, same makers year/model (same part number) it shouldn't need a Tech II ...

It's a damned fiddly job to change .. not hard .. fiddly ..  most folks don't put ALL the bolts back in ......

HTH
Its a lot less fiddly and saves a lot of time if you simply (and very carefully) bend the whole unit up to an angle where you can easily access the 6 screws and replace the ECU...then carefully bend back into place...brake pipes have a fair degree of flexibility   ::) :-X
« Last Edit: 17 March 2009, 22:13:58 by ShieldOfSteel »
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Entwood

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Re: Omega abs tc lights on, speedo failing to work
« Reply #9 on: 17 March 2009, 22:31:21 »
Quote
Quote
I'll agree that bba-reman do a great job, 5 day turn-around, courier it back, and give a warranty... but its about £130 ...

If you get one from a breaker, same makers year/model (same part number) it shouldn't need a Tech II ...

It's a damned fiddly job to change .. not hard .. fiddly ..  most folks don't put ALL the bolts back in ......

HTH
Its a lot less fiddly and saves a lot of time if you simply (and very carefully) bend the whole unit up to an angle where you can easily access the 6 screws and replace the ECU...then carefully bend back into place...brake pipes have a fair degree of flexibility   ::) :-X


Interesting idea ...  and one I hope never to have to consider !!!

Methinks I would be exceedingly cautious, but I see your point...  :y :y
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Re: Omega abs tc lights on, speedo failing to work
« Reply #10 on: 17 March 2009, 22:37:31 »
Quote
Quote
I'll agree that bba-reman do a great job, 5 day turn-around, courier it back, and give a warranty... but its about £130 ...

If you get one from a breaker, same makers year/model (same part number) it shouldn't need a Tech II ...

It's a damned fiddly job to change .. not hard .. fiddly ..  most folks don't put ALL the bolts back in ......

HTH
Its a lot less fiddly and saves a lot of time if you simply (and very carefully) bend the whole unit up to an angle where you can easily access the 6 screws and replace the ECU...then carefully bend back into place...brake pipes have a fair degree of flexibility   ::) :-X

Rather you than me Chris!!

If you go second hand you need to get one from same year and exact spec model to avoid Tech II reprogramming.

Part Nº is on bottom of ecu - obvious place to put it where you can't see it  :P

I just removed top hose off block and managed to get ecu out - careful removing plastic plug its brittle.  

Barsteward of a job to do - fiddly but doable.  Most people (me included) don't put all six bolts back in - I managed 5 before getting t*tsed off - left out bottom right.

Good luck  :y
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MutantCav

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Re: Omega abs tc lights on, speedo failing to work
« Reply #11 on: 18 March 2009, 00:18:47 »
You dont have to bend the pipes that far and they have a fair degree of flexibility and dont need to actually bend to get the access you need...obviously you only angle the unit up as far as is necessary to get access to the screws, about 45 degrees...and its all horses for courses, personally only done this on a scrapper so far for easy removal but seemed it would be fine regardless :y
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omega6

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Re: Omega abs tc lights on, speedo failing to work
« Reply #12 on: 18 March 2009, 08:53:44 »
many thanks for all the tips, i have a mechanic coming round the weekend to remove it for me
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Marks DTM Calib

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Re: Omega abs tc lights on, speedo failing to work
« Reply #13 on: 18 March 2009, 09:02:40 »
Also consider these guys for the re-furb.

They are also very good and cheaper than BBA reman.

http://cgi.ebay.co.uk/Vauxhall-Vectra-Omega-ABS-Pump-ECU-Modulator-Module_W0QQitemZ400037745096QQcmdZViewItemQQptZUK_CarsParts_Vehicles_CarParts_SM?hash=item400037745096&_trksid=p3286.c0.m14&_trkparms=72%3A1683%7C66%3A2%7C65%3A12%7C39%3A1%7C240%3A1318

No issues on the repair quality as all they are doing is fixing 2 broken bond wires!
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Marks DTM Calib

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Re: Omega abs tc lights on, speedo failing to work
« Reply #14 on: 18 March 2009, 09:03:06 »
Should add, I would have no issues with bending the brake pipes to the ABS modulator
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