Coding a VW battery

[(steven)]

Battery on the wife's 2011 Tiguan is dying. However the a replacement battery looks like it needs coding in. Lots of people saying that it can be done with VCDS, which is great but at £250 for the basic copy, its not really very economic for a one off job.

Anybody know of a cheap way to recode a battery into a VW?

[DirktheDaring]

I read you don’t have to code them, eventually the bcm will adapt.

Read Jim’s post here - https://forums.ross-tech.com/index.php?threads/503...

[Belle427]

You dont specifically need vcds, a decent diagnostic tool will have the capability.
Ive read conflicting reports on it, some say it will adapt itself but take longer to do so.
Maybe somewhere like Halfords have the kit to do it, ok you will pay a bit more but you know its been done.

[DirktheDaring]

If you buy/borrow a Carista and change the last digit of the battery serial number then that will work, ideally you want the same brand and capacity though.

[Easternlight]

Download Carista and you can do a month's subscription for £9.99.
That's what I used last weekend, changed the capacity fro 69 to 75 and the factory bem code was 111111111 so changed it to 111111112.
Load of tosh in my opinion.

[DirktheDaring]

On the newer stuff with smart alternators/blue motion etc I think coding is probably worth it.

[austina35]

Fitted a new battery to the wife's 2014 tiguan last year. Plug and play. Bought battery from GSF for about £80 with one of their discounts online.

Checked all windows went up and down fully and turned steering from lock to lock. Think that's all that was required.

[geeman237]

I have a 2016 Golf TSi estate (US spec) and my local VW dealer says they don't need 'coding'. just change the battery. I'm on my second and upon simply swapping the battery, it all seems fine.

[stinkyspanner]

I changed the battery on the wife's 2017 A4 and it did make the radio go a bit funny actually. It kept turning off which I put down to the lack of coding, it did eventually stop doing it but it took a few months