Stabilisation error then car wont start, Ambient temperature reading incorrect

[negaultra7]

Hi everyone around Christmas time just gone one morning I got in my 2014 Skoda Octavia vrs turned the key only to get a message saying Stabilisation error then followed by tyre pressure sensor fault,

I tried to start the car but nothing at all no cranking or noise, I turned the ignition off and on a couple of times then the Stabilisation error disappeared but the tyre pressure warning light stayed on, turned the car over and it started fine, 

 

Pulled the car off the drive and drove around 500 yards and the tyre pressure warning light went out and all was fine car drove as it should,

 

Got a mate to call around with his scan tool from work, he plugged it in and it showed passenger side front speed sensor faulty, now to be safe I got him to change both the driver and passenger side front speed sensors,

 

He did so and the car has been perfect since then until this morning got in the car and the Stabilisation error light came on followed by the tyre pressure sensor error, I followed the same procedure as before and the car started fine and this time the tyre pressure sensor light went out after around 50 yards, the car drove fine to work and I turned the car off on arrival and started it a few times and all was well,

 

I went out to my car at tea break got in and the car started fine but I noticed the ambient temperature readout was still saying -0.5 degrees which is what it was saying when I got out the car on arrival to work, it was really +6 degrees outside at the time I stopped and started the car a few time to see if it would settle itself down but it didn't, 

 

So went back to work and left the car till last tea break at 2pm to see if the ambient temperature was now reading correctly and it was now it was reading +12.5 degrees again the car started fine and on leaving work it started fine and no messages,

 

im just wondering if its a faulty ambient temperature sensor that is sending the car into stabilisation error?

 

By the way the battery is fine and the terminals are all connected nice and tight,

 

Any help and advise would be greatly appreciated

 

Thanks

Neil

[SuperbTWM]

Did you buy OEM sensors?

[negaultra7]

No they are not OEM there from Parkers,

id of thought they would be more than suitable,

my issue is more with the possible link with the ambient temperature sensor?

[SuperbTWM]

I don't see how it would be linked unless you have a weird electrical fault somewhere or water has got into something. Even with ABS  sensor errors it shouldn't stop the car from cranking.

 

I would read the fault codes again and see what it says

 

 

[negaultra7]

Hi all just a update, I’ve not been able to get the codes read yet due to the isolation rules in force at the moment,

My car has been starting and running fine all week whilst I’ve been going to and from work, and the ambient temperature is working fine,

then after leaving it standing all weekend got in the car this morning and the damm stabilisation error came up again so turned off the ignition and turned again no error codes and the car turned over again and then the error came up again and stopped the car turning over this happened one more time then on the third turn the car started up fine,

no other error codes came up might I add (tyre sensor) 

when I arrived at work 7 miles away stopped the car and then started it no problem,

got in the car after work and again no problem,

Now to me I’m thinking a dodgy battery, the connections are fine, is it correct if the battery is on its way out it can throw up error codes ie stabilisation/ tyre pressure?

im thinking the alternator is charging ok as the car starts fine after a run and all lights and heaters are working ok,

there seems to be a pattern where it’s throwing up errors on a Monday when it’s been stood all weekend and it’s not feeling it like the rest of us,

any advise/ideas more than welcome

Neil

[PetrolDave]

12 hours ago, negaultra7 said:

there seems to be a pattern where it’s throwing up errors on a Monday when it’s been stood all weekend

That suggests either a battery not holding charge, or something not turning off and discharging the battery.

[negaultra7]

Thanks what could not be turning off?

[PetrolDave]

26 minutes ago, negaultra7 said:

Thanks what could not be turning off?

That's a "how long is a piece of string" question - without any diagnostics it's impossible to answer accurately, but...

 

Do you have a dashcam?

[negaultra7]

Wow yes but I’ve had it in the car for 2 1/2 years

[PetrolDave]

3 hours ago, negaultra7 said:

Wow yes but I’ve had it in the car for 2 1/2 years

Then it sounds like the battery is no longer holding charge.

 

You say it's a 2014 Octavia, is it still on the original battery? If not, when was the battery changed?

Edited 31 March, 2020 by PetrolDave

[negaultra7]

The dashcam is hardwired in so turns off when the ignition goes off,

I work for Toyota Material Handling and a workmate checked my battery today it was reading 12.2v then when we left the ignition on for two or three minutes and started the car it dropped to 8v and took a while to start,

I believe it is time for a new battery?

any ideas on the best one to go for at a reasonable price?

 Thanks for all your advise I do appreciate it 👍🏻
Neil

[varaderoguy]

It seems to be a common theme that if the battery voltage gets low, then all kinds of odd error messages start appearing on the CANBUS network and you may well be chasing your tail in terms of trying to find faults.  Diesel batteries - you need a really good battery to make sure your vehicle is operating well, so changing out the battery for a new EXIDE or equiv. battery is probably a good call.  If you are still getting errors appearing then it may well be a sensor fault.

[PetrolDave]

12 hours ago, negaultra7 said:

a workmate checked my battery today it was reading 12.2v then when we left the ignition on for two or three minutes and started the car it dropped to 8v and took a while to start,

I believe it is time for a new battery?

Definitely, that battery is FUBAR.

 

I've bought Varta batteries online and been very happy with them.

Edited 1 April, 2020 by PetrolDave

[negaultra7]

11 hours ago, PetrolDave said:

Definitely, that battery is FUBAR.

 

I've bought Varta batteries online and been very happy with them.

Hi when I change the battery will I need to get it recoded by entering the BEM Code via the VCDS or will it reset itself?

cheers for your knowledge 

Neil

[PetrolDave]

12 hours ago, negaultra7 said:

Hi when I change the battery will I need to get it recoded by entering the BEM Code via the VCDS or will it reset itself?

However I answer that question someone will come along to say the opposite...

 

Officially if the new battery is the same type and capacity you SHOULD just change the serial number - which tells the battery management firmware that a new battery has been fitted and it will re-learn the characteristics of the new battery.

 

However... many have posted that they have  changed the battery and done no coding and everything has been fine.

 

Me? I would recode the battery management system as I like things done "by the book".

 

You? Make your own judgement....

[negaultra7]

Hi I’ve finally got around to changing the battery is there anyone on here from the midlands that has the VCDS software?

or does anyone have a link I can buy it from?

 Thanks 

Neil

[ChoonDoode]

15 hours ago, negaultra7 said:

Hi I’ve finally got around to changing the battery is there anyone on here from the midlands that has the VCDS software?

or does anyone have a link I can buy it from?

 Thanks 

Neil

 

Have a look on the vcds page on main forum. Gives you a list of people who've got it and you'll be able to see who's close to you.