Coolant temp display for T6 Startline with VCDS

Nice. My van doesn’t have a coolant gauge……you think it’s got the MMI? 😂
It was specced with the 150 engine, 7 sp DSG, A/C, but they left it with poverty level clocks and head unit? 🤔🙄
That's on the after market radio screen.
 
WhatsApp Image 2026-07-02 at 09.52.46.webp

Maybe look into a digital gauge.. like an ultra gauge.
I had one in my bmw e91 (same issue, no temp read out!) and it was great.. trick is to buy some colour film which you cut and slide over the screen to tint it to whatever colour your dash is. the bmw was orange and I think it matched pretty well.

I've one here for the T6 but I haven't found a good spot to mount it yet! but it works and gives you a lot of read outs (boost, voltage, coolant temp etc.)
 
View attachment 330599

Maybe look into a digital gauge.. like an ultra gauge.
I had one in my bmw e91 (same issue, no temp read out!) and it was great.. trick is to buy some colour film which you cut and slide over the screen to tint it to whatever colour your dash is. the bmw was orange and I think it matched pretty well.

I've one here for the T6 but I haven't found a good spot to mount it yet! but it works and gives you a lot of read outs (boost, voltage, coolant temp etc.)
Cool. I take it that just plugs into the OBD port?
 
Cool. I take it that just plugs into the OBD port?

Yes it does indeed.
I'll have to have another go at figuring out where to mount mine, as the T6 has a lot of flat surfaces that don't really suit the standard guage mount.
Theres lots of different mounts you can 3d print if you can do that.
 
Yes it does indeed.
I'll have to have another go at figuring out where to mount mine, as the T6 has a lot of flat surfaces that don't really suit the standard guage mount.
Theres lots of different mounts you can 3d print if you can do that.
Nice one! Might look into that. Lot cheaper than putting a new cluster in that’s for sure! 👍🏻
 
I got inspired to get the finger out and figured out a place to stick it. IMG_20260702_214627.webp

I'll tidy the hole and wire up soon. But that'll do for now. Maybe order some red acetate film to see if it helps blend it in. Also, the sticky back mount sucks... Sikaflex it down 😂
 
It’s the oil temperature that counts, once the delivery driver has ignored the high coolant temperature it’s possibly boiled dry and no longer a wet sensor.
A meaningless production cost saving but it’s the way it is.
 
I got inspired to get the finger out and figured out a place to stick it. View attachment 330652

I'll tidy the hole and wire up soon. But that'll do for now. Maybe order some red acetate film to see if it helps blend it in. Also, the sticky back mount sucks... Sikaflex it down 😂


That looks ok, I could live with that……but, you have a temp gauge in your cluster? Assuming you don’t trust it, as others have mentioned? 😂 Or is it for other readings?
I won’t be putting Sikaflex anywhere near mine lol…..I’ll never get the damn thing off 😩
What are those neon switches on your dash? 🤔🤔
 
That looks ok, I could live with that……but, you have a temp gauge in your cluster? Assuming you don’t trust it, as others have mentioned? 😂 Or is it for other readings?
I won’t be putting Sikaflex anywhere near mine lol…..I’ll never get the damn thing off 😩
What are those neon switches on your dash? 🤔
So I have it showing oil temperature... Well, at least, I think it's oil temperature. There is so many different readouts to pick.. I'm pretty sure engine temp is oil temp. Usually sits around 80 degrees so makes sense to me.

But I've also got boost, voltage, engine load %, torque and horsepower
BHP not seemingly accurate, as I can't get over 120hp.... But I've no idea where it gets that data from.

Haha I'm not too worried. I can just cover it with more anti slip matting where it is if I do want to remove it. Although quite happy with where it is so hopefully it'll stay there.

Ohhh the blue switches are for lights which were on the roof... But they have been removed before I bought it. I've kept them as I'll probably use them for something. But they are far too bright... Need to figure a way to darken them cause they blind me at night.
 
If you are adding an additional gauge to show true coolant temperature etc, it is probably worth getting one that will also show DPF regens as well. That is another thing that most find very useful.

@aBrick can probably cofirm whether the Ultragauge does this, but I belive it does (or can be added by adding the PID information)
 
…..it is probably worth getting one that will also show DPF regens as well. That is another thing that most find very useful…..
Ahhh the old good old regen!! 😫
That would be another major annoyance to list with the van (thankfully, there are not many TBH).
I have no indication, anywhere, at all, that a regen is taking place, other than the smell, extra rattling and noise from the engine and the fan kicking in after switching off, if the cycle hasn’t completed.
No light no, no time remaining, no soot level, no miles til next regen…..nothing!
Don’t all you Trendline, Highline, Sportline guys be coming at me with “…..but hasn’t your van got this light….” for regen.🤭🤭
No!! I don’t!! Startlines have nothing!! In fact, it’s a miracle there’s an electric starter on the f*%king thing and not a cranking handle!
🙄🙄😬😬
 
Ahhh the old good old regen!! 😫
That would be another major annoyance to list with the van (thankfully, there are not many TBH).
I have no indication, anywhere, at all, that a regen is taking place, other than the smell, extra rattling and noise from the engine and the fan kicking in after switching off, if the cycle hasn’t completed.
No light no, no time remaining, no soot level, no miles til next regen…..nothing!
Don’t all you Trendline, Highline, Sportline guys be coming at me with “…..but hasn’t your van got this light….” for regen.🤭🤭
No!! I don’t!! Startlines have nothing!! In fact, it’s a miracle there’s an electric starter on the f*%king thing and not a cranking handle!
🙄🙄😬😬
Nothing for Highlines either - not for the 6.1 anyways.
 
Likely that’s coolant temperature, 80 deg C oil temperature is too low.

I was thinking it's just another coolant temp. It very rare to even have an oil temperature sensor. But it's still good to see the temp in near real time so not too bad. Must look for that regen one
 
I was thinking it's just another coolant temp. It very rare to even have an oil temperature sensor. But it's still good to see the temp in near real time so not too bad. Must look for that regen one
No idea where you are getting these values or what you are looking at?
“Must look for that regen one”, coolant temp won’t noticeably change in a regen, oil temperature may increase a few deg C depending on engine load and ambient conditions.
What are you trying to achieve?
 
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