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Author Topic: Omega 2.5 V6 TC light on  (Read 739 times)

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Ian1

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Omega 2.5 V6 TC light on
« on: 24 February 2025, 13:55:05 »
Hi,

I have recently acquired a 1998 2.5 V6 Omega Tourer which has just developed an issue with the TC light. It starts up fine in the morning but after about five minutes driving both the TC and engine management light come on. No obvious difference in engine running and the EML tends to go off after about ten minutes driving. However, the TC light remains on. This has just started to happen in the last few days when the weather has become damper (I live in west Wales!) so are there any obvious checks or could this be linked to ABS/ECU on its way out?

Any pointers gratefully.
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RallyArde

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Re: Omega 2.5 V6 TC light on
« Reply #1 on: 24 February 2025, 16:02:18 »
Is there chance to read error memory with vauxcom or some other proper diagnostic tool?
« Last Edit: 24 February 2025, 16:04:39 by RallyArde »
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Ian1

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Omega 2.5 V6 TC light on
« Reply #2 on: 25 February 2025, 13:38:49 »
I don't believe this year has a plug in port (but I'm happy to be corrected and guided to its location)
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Doctor Gollum

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Re: Omega 2.5 V6 TC light on
« Reply #3 on: 25 February 2025, 18:08:02 »
Next to the fuse box under the steering wheel.
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Andy B

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Re: Omega 2.5 V6 TC light on
« Reply #4 on: 25 February 2025, 19:08:06 »
Quote from: Ian1 on 25 February 2025, 13:38:49
I don't believe this year has a plug in port (but I'm happy to be corrected and guided to its location)

As above, it's under the steering wheel

https://www.omegaowners.com/forum/index.php?topic=90581.0
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TheBoy

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Re: Omega 2.5 V6 TC light on
« Reply #5 on: 26 February 2025, 13:51:49 »
It has a OBDII port, but is not OBDII compliant, so you need a diag tool capable of reading older Vauxhalls as opposed to a generic ODBII tool.
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