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Author Topic: no speedo  (Read 864 times)

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nigelb

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no speedo
« on: 09 September 2008, 12:28:44 »
please can someone help
i have an mv6 estate
i have no speedo and no tc and on startup the abs light does not come on
i have changed the abs sensors
i have checked the ecu using the paper clip test and that shows nothing
« Last Edit: 09 September 2008, 16:31:55 by nglbrgr »
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cem_devecioglu

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Re: no speedo
« Reply #1 on: 09 September 2008, 13:02:58 »
Hi Nigelb,
Can you update your profile to show your car details like model and year..

« Last Edit: 09 September 2008, 13:03:24 by cem_devecioglu »
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Varche

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Re: no speedo
« Reply #2 on: 09 September 2008, 13:24:36 »
Well, I had similar symptoms with my car - a late 97 2.5 V6. I tried allsorts but it was the ABS ECU. Fairly common problem on cars of about that and later age. Hence the request to put vehicle details on your profile. it helps for this and any future questions.

Do a search on the general help on ABS ECU and you will find loads of helpful info. I don't know where you are but you can get the ECU refurbished by a compnay called BBA Reman for example. Fiddly job but not too expensive.

varche  
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cem_devecioglu

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Re: no speedo
« Reply #3 on: 09 September 2008, 13:27:38 »
Seems like ABS ECU..But before going in expense I would try an expert with  a real Tech II ..
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Entwood

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Re: no speedo
« Reply #4 on: 09 September 2008, 13:27:44 »
ABS ECU on mine put the TC, ABS lights ON and lost speedo .. his problem is slightly different as I read it .. no lights/no speedo ..

I'm wondering if there's a common power supply or fuse ? I'm assuming all other bulbs work so it shouldn't be the dash plug being loose...  should it ???
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Andy B

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Re: no speedo
« Reply #5 on: 09 September 2008, 15:36:33 »
Quote
ABS ECU on mine put the TC, ABS lights ON and lost speedo .. his problem is slightly different as I read it .. no lights/no speedo ..

I'm wondering if there's a common power supply or fuse ? I'm assuming all other bulbs work so it shouldn't be the dash plug being loose...  should it ???

I do suspect theat the ABS lamp/bulb has been removed or has blown!
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TheBoy

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Re: no speedo
« Reply #6 on: 09 September 2008, 15:40:17 »
1998 and later ABS ECUs are prone to this problem.

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belldarr

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Re: no speedo
« Reply #7 on: 09 September 2008, 16:24:45 »
Hi - is the steering heavier too??  When my ABS ECU failed it affected the steering as well as no speedo and the ABS/TC lights were illuminated.  

Belldarr
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nigelb

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Re: no speedo
« Reply #8 on: 09 September 2008, 16:27:01 »
the tc light and abs light dont come on at all
i think i will try and find a 2nd hand ecu and swap it
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Andy B

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Re: no speedo
« Reply #9 on: 09 September 2008, 16:29:15 »
Quote
the tc light and abs light dont come on at all  .......

Not even when you first turn the ignition on? That's why I suggested the lamps/bulbs might be missing/blown. Dash removal is only a 10 min job to check.
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nigelb

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Re: no speedo
« Reply #10 on: 09 September 2008, 16:30:56 »
the tc is deffo  not workingits wet today  and it spins like a top
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TheBoy

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Re: no speedo
« Reply #11 on: 09 September 2008, 16:48:30 »
Quote
the tc light and abs light dont come on at all
i think i will try and find a 2nd hand ecu and swap it
Sometimes finding the right ECU isn't easy.  There is a places that fixes for £125 (you send them ecu, they return in a few days).

Put the bulbs back in dash, and see what lights are on...
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dbug

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Re: no speedo
« Reply #12 on: 09 September 2008, 22:35:14 »
Deffo ABS ECU - if u go down 2nd hand route u want one from same year & model as yours ideally.  Look for same part nº.

Fix the dash bulbs first though  :y
« Last Edit: 09 September 2008, 22:36:40 by dbug »
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jb

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Re: no speedo
« Reply #13 on: 12 September 2008, 10:39:01 »
100% certain abs ecu - had same last year sources second hand from mega vaux
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