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Author Topic: Astra K - again  (Read 14878 times)

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Astra K - again
« on: 12 June 2023, 12:28:59 »
Got a message come up on my display (it's a 1.4 Petrol) 'Service Vehicle Soon'.

Went and bought an iCarsoft Vauxhall V2 code reader.

If I try to read the ECM I get the following message ;-

Lost communication with DC/DC converter control module A on bus B.

It has no problems reading Mrs AA's 1.4 Sri.

Any ideas please.

It reads all other modules OK with no fault codes.
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STEMO

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Re: Astra K - again
« Reply #1 on: 12 June 2023, 12:55:10 »
Have a look on here, Barry, there's quite a bit of info

https://www.astrakforums.co.uk/
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Re: Astra K - again
« Reply #2 on: 12 June 2023, 12:59:09 »
On second thoughts, having read some of the replies, it merely means a non-emissions fault.
I usually just take it to my local indie, who is very reasonable for code reading, but I know you like to do this yourself  :-\
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Re: Astra K - again
« Reply #3 on: 12 June 2023, 13:35:23 »
Quote from: STEMO on 12 June 2023, 12:59:09
On second thoughts, having read some of the replies, it merely means a non-emissions fault.
I usually just take it to my local indie, who is very reasonable for code reading, but I know you like to do this yourself  :-\

Thanks, yup, I've searched the forums, mainly happens on the diesels - glow plugs - no mention of it happening on a petrol.

I just hope that the ECM is not cream crackered.
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Re: Astra K - again
« Reply #4 on: 12 June 2023, 14:19:26 »
Anyone got access to Vauxhall/Opel technical service bulletins?
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Re: Astra K - again
« Reply #5 on: 12 June 2023, 14:27:09 »
Quote from: STEMO on 12 June 2023, 12:59:09
On second thoughts, having read some of the replies, it merely means a non-emissions fault.
I usually just take it to my local indie, who is very reasonable for code reading, but I know you like to do this yourself  :-\

Not particularly, but I wouldn't trust any of the indies. around here, loads of bad reports, and the main dealer will be a rip off!
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STEMO

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Re: Astra K - again
« Reply #6 on: 12 June 2023, 14:39:07 »
Quote from: Auto Addict on 12 June 2023, 13:35:23
Quote from: STEMO on 12 June 2023, 12:59:09
On second thoughts, having read some of the replies, it merely means a non-emissions fault.
I usually just take it to my local indie, who is very reasonable for code reading, but I know you like to do this yourself  :-\

Thanks, yup, I've searched the forums, mainly happens on the diesels - glow plugs - no mention of it happening on a petrol.

I just hope that the ECM is not cream crackered.
Happened on mine 3 or 4 times, as you say, glow plug. But mine is a J, never happened on the wife's K.
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Re: Astra K - again
« Reply #7 on: 13 June 2023, 09:40:02 »
Quote from: STEMO on 12 June 2023, 14:39:07
Quote from: Auto Addict on 12 June 2023, 13:35:23
Quote from: STEMO on 12 June 2023, 12:59:09
On second thoughts, having read some of the replies, it merely means a non-emissions fault.
I usually just take it to my local indie, who is very reasonable for code reading, but I know you like to do this yourself  :-\

Thanks, yup, I've searched the forums, mainly happens on the diesels - glow plugs - no mention of it happening on a petrol.

I just hope that the ECM is not cream crackered.
Happened on mine 3 or 4 times, as you say, glow plug. But mine is a J, never happened on the wife's K.

Looks like I'm going to have to bite the bullet and book it into the Stealers .
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Marks DTM Calib

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Re: Astra K - again
« Reply #8 on: 15 June 2023, 12:20:15 »
Surprised it has a DC to DC converter as I doubt its a PHEV or MHEV
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Re: Astra K - again
« Reply #9 on: 15 June 2023, 17:12:16 »
Quote from: Marks DTM Calib on 15 June 2023, 12:20:15
Surprised it has a DC to DC converter as I doubt its a PHEV or MHEV

As far as I'm aware it's neither.
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Re: Astra K - again
« Reply #10 on: 15 June 2023, 17:46:10 »
It will have a voltage converter though, or has that nothing to do with it.
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Re: Astra K - again
« Reply #11 on: 16 June 2023, 07:00:48 »
Quote from: Marks DTM Calib on 15 June 2023, 12:20:15
Surprised it has a DC to DC converter as I doubt its a PHEV or MHEV

Thinking about it, yes, strange message.
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Re: Astra K - again
« Reply #12 on: 16 June 2023, 08:33:52 »
I've found this :-

https://www.obd-codes.com/u0298#What%20Does%20That%20Mean?

Perhaps it will mean something to someone with more expertise and knowledge than me
« Last Edit: 16 June 2023, 08:35:25 by Auto Addict »
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Marks DTM Calib

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Re: Astra K - again
« Reply #13 on: 16 June 2023, 08:35:50 »
Can you read live data?
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Re: Astra K - again
« Reply #14 on: 16 June 2023, 08:37:08 »
Quote from: Marks DTM Calib on 16 June 2023, 08:35:50
Can you read live data?

I think so, I'll have a go a bit later on, got to go out now.
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