[ZingMan]

I may be wrong here, but for everyone who reset the tyre pressure in the TPMS following the 2.7 update, I think you will first need to physically pump each tyre to the correct pressure (as per the sticker on the driver side). This is because the TPMS will then correctly “learn” their pressure after driving for a while - it does that based on monitoring tyre rotations. Over time all tyres go down and the TPMS detects that through changes in tyre rotation due to the tyres being a bit “flatter”. Now if you imagine your tyres were just about down (but not quite) to the point at which the TPMS would normally generate a warning, and then you reset the TPMS as part of 2.7, then I think the TPMS will now regard the current (lower) physical tyre pressure (and subsequent tyre rotations) as the new normal, and you would only get a TPMS warning once it detects a further significant drop, which is then likely to be at level much lower than what the tyre pressures should actually be at… if you know what I mean?

 

[Greg S]

I may be wrong here, but for everyone who reset the tyre pressure in the TPMS following the 2.7 update, I think you will first need to physically pump each tyre to the correct pressure (as per the sticker on the driver side). This is because the TPMS will then correctly “learn” their pressure after driving for a while - it does that based on monitoring tyre rotations. Over time all tyres go down and the TPMS detects that through changes in tyre rotation due to the tyres being a bit “flatter”. Now if you imagine your tyres were just about down (but not quite) to the point at which the TPMS would normally generate a warning, and then you reset the TPMS as part of 2.7, then I think the TPMS will now regard the current (lower) physical tyre pressure (and subsequent tyre rotations) as the new normal, and you would only get a TPMS warning once it detects a further significant drop, which is then likely to be at level much lower than what the tyre pressures should actually be at… if you know what I mean?

Unfortunately with the TPMS in the XC40 it works on wheel speed rotation variation from tyre to tyre, so if all tyres are set at say 32 PSI or 35 PSI or 42 PSI, the TPMS won't flag an issue. If one tyre is low, the effective roll radius decreases so the ABS wheel speed sensors pick up a different rotational speed, and this flags a low tyre pressure warning on that tyre. Hope that helps. We did the 2.7 update and hit OK to the tyre pressure monitor re-set message after. It re-calibrated and all good. I had just checked tyre pressure before we left on our trip so was pretty confident all were OK, but I'd say it's a good idea to check and confirm pressure before re-storing the pressure via the screen.

 

[ZingMan]

Unfortunately with the TPMS in the XC40 it works on wheel speed rotation variation from tyre to tyre, so if all tyres are set at say 32 PSI or 35 PSI or 42 PSI, the TPMS won't flag an issue. If one tyre is low, the effective roll radius decreases so the ABS wheel speed sensors pick up a different rotational speed, and this flags a low tyre pressure warning on that tyre. Hope that helps. We did the 2.7 update and hit OK to the tyre pressure monitor re-set message after. It re-calibrated and all good. I had just checked tyre pressure before we left on our trip so was pretty confident all were OK, but I'd say it's a good idea to check and confirm pressure before re-storing the pressure via the screen.

Ahh so it’s a relative thing, got it… So on the few occasions where I’ve had a TPMS warning, I’ve assumed it was a general “hey your tyres are getting a bit low” kind of thing, which I thought was quite useful, whereas in fact you’re saying it was really just complaining about one or (maybe 2) tyres being different. Whilst I get it, I can’t help but think that a more useful implementation would have been for it to remember each wheel’s rotation and then complain when any (or all) diverge... but maybe they had good reason not to do that.

 

[Stevessvt]

Was reading on a Facebook group that some models can’t get OTA. Did you ever get an OTA?

I did not. Still waiting for even an email from Volvo saying it's even available.

 

[Greg S]

Ahh so it’s a relative thing, got it… So on the few occasions where I’ve had a TPMS warning, I’ve assumed it was a general “hey your tyres are getting a bit low” kind of thing, which I thought was quite useful, whereas in fact you’re saying it was really just complaining about one or (maybe 2) tyres being different. Whilst I get it, I can’t help but think that a more useful implementation would have been for it to remember each wheel’s rotation and then complain when any (or all) diverge... but maybe they had good reason not to do that.

Yeah, some cars have the pressure sensor in each valve stem (inside the wheel) and RF signal beams from each sensor to the car's computer so it knows the pressure in each tyre. This system is more basic (cheaper) and mainly works to warn you if you have one tyre that's getting low. That's why it's important to check the tyre pressure regularly as it can drop equally over time and I don't think this system will pick up that type of drop as it really has no way to know.

 

[santellavision]

I noticed a new thing with v2.7.

In OPD, when you let off the gas pedal (accelerator) it used to come to linear stop. Now, I notice it slightly ramps to a stop. Could be my imagination, but I don't remember it doing that. You used to have to feather the pedal for a gradual stop. Now, it's smoother at the end. Anyone else notice this?

 

[Master-Guy]

First time poster, hope I'm in the correct spot.
As the new owner of the XC40 (2023, full electric, 408hp ultimate) since a couple of weeks, I have been disappointed a couple of times so far. The latest is since my car received the 2.7 update OTA. Contacted my dealer, but they haven't found anything like this yet in their documents, nor on forums they are monitoring.

Ever since the 2.7 update (installed Friday, have been riding in the car the past three days) I'm encountering multiple issues, and I hope you guys can help me fix it:

1) Battery charge in the main display
The navigation display in the center console doesn't show (the correct) battery percentages. While the driver cockpit display does show the (apparently?) correct charge level, the central display doesn't display the charge level at all when navigating. What I did find out is that after my actual charge level drops below ~80%, the navigation system seems to be calculating the remaining charge level when arriving at my destination with a wrong calculation: adding the estimated usage from the current charge level, instead of subtracting it.

2) Internet connectivity
Only during the first drive on Saturday, the first drive with the 2.7 software, my system was still connected. After a brief rest period of 15 minutes, the system disconnected, and doesn't want to connect to the data network anymore. Because of this, a large part of the functionality of the car is no longer working. At this moment, I'm having to resort to a hotspot on my phone..

3) Rain sensor
Since the update to 2.7, the rain sensor in my car isn't working anymore, and the INT setting on the lever puts the wipers in interval mode. I'm unable to find any button or setting to re-enable the rain sensor.

4) Rolling out
Before the update I noticed that the car would take a very long time to "roll out". If I was driving at 100 km/h, it could very well take about 30 seconds after releasing all pedals (not using OPD) to reduce speed to 95. After the update it's slowing down a lot faster.

5) Navigation crashes(?) in the cockpit
Not an easy one to reproduce, but on longer drives (it happens once or twice on a 45 minute drive) the navigation display in the cockpit display behind the steeringwheel seems to "crash", where it slides out to the right side (where the usage meter is), and slides back in from the left, with a black column (about 3cm wide) separating the two screens. The speedometer and the usage meter keep working properly, and the rest of the display doesn't seem to be flickering or anything.


According to my dealer, they don't have any solution (yet), which is why I'm asking around here. I've already attempted to reboot the system (holding the HOME-button for 20+ seconds), but that didn't solve the issues either. Hope someone can point me in the right direction, or can tell me what to do. In a car that's not even 3 weeks old, this sucks..

 

[albertoF8231]

Do you try reset TCAM?

 

[bogiesan]

Welcome to the group. Sorry about your issues. Yes, this sucks. It's a computer with a big battery and wheels and we've all had to get used to this fact. More suggestions from more experienced users will show up over the next few hours.
1. Reported by others but quite rare and seems to go away after a bit. Some of us think it's related to Maps updating in the backgorund over the next few days. So, should fix itself.
2. Reported by others but quite rare. Restarting the center console display is recommended. If nothing improves, try restarting the OS using the defroster button.
3. You seem to be the first. REstart might help.
4. You seem to be the first.Restart might help.
5. This recently showed up on FB.

 

[Master-Guy]

Thanks for the quick replies. Yes, I did try to reset the TCAM, as explained in my post. (didn't know the technical name for it before, called it the HOME button)
I'm not aware yet of any procedure using a defroster button. Can you tell me how that one works, and what it does?

Edit: Just looked it up, but the defroster reset doesn't seem to be working for me..
Holding the button nothing happens (held it for 60 seconds, key in car, car in Park), and when releasing it went into defrost mode (temp on HI, full blowers)

 

[bogiesan]

Thanks for the quick replies. Yes, I did try to reset the TCAM, as explained in my post. (didn't know the technical name for it before, called it the HOME button)
I'm not aware yet of any procedure using a defroster button. Can you tell me how that one works, and what it does?

I'd wait a few more hours before doing aything, wait for more experienced user s and their perhaps more credible advice.

The TCAM is not actually reset by simply restarting the display using the Home button. You need to push and hold the front windscreen defrost button and wait for some interior signals such as the SOS light's flashing and changing color. It's confusing and a bit unnerving the first time you do it. REestting TCAM is a popluar topic on all Volvo discusssion areas including international forums and FB. And the information given by folks who want to help is sometimes incorrect. You can search the web for the topic and you may find advice to disassemble major parts of the car to get access to and then disconnect two 12V batteries and this has been show to be most likely unnecessary.

Volvo Cars - Connectivity issues

A symbol visible in the top left corner of the center display shows the vehicle's connectivity status. If there is a problem, there are a few things you can try to restore the connectivity.

www.volvocars.com

 

[BainbridgeIsland]

Thanks for the quick replies. Yes, I did try to reset the TCAM, as explained in my post. (didn't know the technical name for it before, called it the HOME button)
I'm not aware yet of any procedure using a defroster button. Can you tell me how that one works, and what it does?

We're all used to having to occasionally reboot our computers and/or modems. In Volvo terminology:

IHU = "The Computer". You reboot the computer (IHU) bu holding the HOME button for ~30 seconds (past the "screen cleaning" mode) until you see the VOLVO logo reappear faintly.

TCAM = "The Modem" (actually anything to do with comms/radio). You reboot the modem (TCAM) by holding in the FRONT DEFROST button for ~30 seconds until you see the SOS light flashing. Although this exact procedure may have changed at some point.

 

[eduspina]

3) Rain sensor
Since the update to 2.7, the rain sensor in my car isn't working anymore, and the INT setting on the lever puts the wipers in interval mode. I'm unable to find any button or setting to re-enable the rain sensor.

Had you tried this button? It sometimes disables by itself so all you have to do is to click on 1 again (a symbol will appear on the driver's display):

Source: Volvo Cars - XC40 Recharge Pure Electric Using the rain sensor | Volvo Support Lebanon

The indicator on the driver's display:

 

[BainbridgeIsland]

Had you tried this button? It sometimes disables by itself so all you have to do is to click on 1 again (a symbol will appear on the driver's display):

View attachment 6152

Source: Volvo Cars - XC40 Recharge Pure Electric Using the rain sensor | Volvo Support Lebanon

The indicator on the driver's display:

View attachment 6153

The rain-activated wiper button doesn’t actually look like a button - it’s the entire bottom half of the “shell” for that stalk. I had trouble figuring this out at first.

 

[Master-Guy]

The TCAM reset solved the connectivity issue, and somehow it also seems to have re-activated the rain sensor, although I have no clue how..
Re-installing Maps from the Play Store seems to at least made it show the battery level again, even though I haven't done any driving yet to test it out.

[...]
5. This recently showed up on FB.

Can you provide a link to that message? I'm very interested in following this.

 

[morphroc]

So I called Volvo Customer Service and according to them ALL 23 and 22 XC40 have to go the dealer to be updated. She didn't even look anything up, soon as I said a 23 XC40 she immediately said nope, not coming OTA.

This isn't accurate. My 2023 XC40 Recharge received 2.7 OTA just fine. Unless you don't have a Recharge and there's some difference between the models, but I doubt it.

 

[albertoF8231]

This isn't accurate. My 2023 XC40 Recharge received 2.7 OTA just fine. Unless you don't have a Recharge and there's some difference between the models, but I doubt it.

You´re right. I have the XC40 mild hybrid (2023) and I received 2.7 OTA.

 

[RechargeHard]

I may be wrong here, but for everyone who reset the tyre pressure in the TPMS following the 2.7 update, I think you will first need to physically pump each tyre to the correct pressure (as per the sticker on the driver side). This is because the TPMS will then correctly “learn” their pressure after driving for a while - it does that based on monitoring tyre rotations. Over time all tyres go down and the TPMS detects that through changes in tyre rotation due to the tyres being a bit “flatter”. Now if you imagine your tyres were just about down (but not quite) to the point at which the TPMS would normally generate a warning, and then you reset the TPMS as part of 2.7, then I think the TPMS will now regard the current (lower) physical tyre pressure (and subsequent tyre rotations) as the new normal, and you would only get a TPMS warning once it detects a further significant drop, which is then likely to be at level much lower than what the tyre pressures should actually be at… if you know what I mean?

yes you should, but if you jut an

We're all used to having to occasionally reboot our computers and/or modems. In Volvo terminology:

IHU = "The Computer". You reboot the computer (IHU) bu holding the HOME button for ~30 seconds (past the "screen cleaning" mode) until you see the VOLVO logo reappear faintly.

TCAM = "The Modem" (actually anything to do with comms/radio). You reboot the modem (TCAM) by holding in the FRONT DEFROST button for ~30 seconds until you see the SOS light flashing. Although this exact procedure may have changed at some point.

Is there a post with all the reset procedures? I read something about the hazard button resetting the ECU is that true?

 

[Stevessvt]

You´re right. I have the XC40 mild hybrid (2023) and I received 2.7 OTA.

Huh. Given misinformation just the same as a Chevy or Ford dealer. I expected better from Volvo.

 

[albertoF8231]

Huh. Given misinformation just the same as a Chevy or Ford dealer. I expected better from Volvo.

Me too. But I must say that my previous garage (Peugeot and BMW ) was much more better than Volvo. I was thinking it was just because it’s in france, but apparently not only french. Too bad. Volvo is no more a premium services company.