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So what’s the new way to reset the modem?

50K views 76 replies 21 participants last post by  LMN.K  
#1 ·
We have a new XC40 Recharge. Haven’t even driven it 200 miles yet and the thing is falling apart. No GPS, no LTE, no Wifi. And now weird things in the charging screen (it’s stuck on 6 amp and the buttons are grayed out for changing it).

We’ve tried the defroster button technique to reset the modem, but it doesn’t seem to do anything (maybe because we’re on too recent a software version?). We can reset the center screen with the home button but that doesn’t fix anything.

We’ve let it sit overnight. We’ve tried locking it and walking away with all the keys. We’ve tried coaxing and imploring it.

What else can we do, except wait 2 weeks for the first service appointment at the local dealer? Is there a physical box someplace I can unplug and plug back in?

thank you!
 
#2 ·
I can't validate this since I'm on an older version, but I thought that I've heard from someone here with the new software that you need to reset the IHU immediately before resetting the LTE.
  • Press and hold the home button on the center display for 20 seconds. (the IHU will boot and you will see the map on the instrument panel display.)
  • Press and hold the Defrost button for 20 seconds, or until the tiny 'LTE' symbol changes in the upper-left corner of the infotainment screen. (the modem will restart)
 
#47 ·
I don't have the premium package and when doing the hold of the home button the screen goes dark and nothing happens. The Volvo oncall app shows my car location as unknown and now has even stopped responding to my remote climate start commands. Is there anything I could try to do myself?

One thing i noted is the modem option is unchecked (Not sure what is the purpose of the modem and how much data is free on it. Should I enable this?)
 
#3 · (Edited by Moderator)
Sorry you are having such bad luck.

I do not have the new software but I thought they removed the defrost reboot and just merged it with the home button reboot.

Another option is a factory reset.

Other than that it sounds like you have done the normal tricks including the all important let it have a nap. These are a) often needed when you first get the car and b) things normally settle down after.

It is possible your car has some corrupt files. I have heard of people who somehow managed to get corrupt data files into the car. How this happens in the modern era I do not know. Been a long time since I saw a corrupt file without the underlying media going toes up but …

Hopefully taking it in will allow them to do a clean re install. The car might still be twitchy until it has had its first nap but then should work.

Have you tried calling around see if anyone else can get you in sooner? Or try being pushy. 2 weeks is a bit of a crappy wait

Good luck. Let us know what happens.
 
#4 · (Edited)
Yeah we’ve tried all the button press combos, reset to factory, done the magical dances and incantations.

This is like a radio shack hobbyist kit. Volvo should be ashamed to have this out in the wild.
 
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#5 ·
Not the car it’s the software layer on top. The car is awesome and for most the software is good as well. Seems like you either got an unlucky corrupted file or a bad bit of hardware. Covid made many manufacturers go to alternate chips which leads to a vastly more complex number of permutations :(

Hang in there. The really bad thing is the 2 weeks :(. Still at least the car drives fine minus the gps. Have you tried charging at a commercial charger? Might reset the charge screen. Also is it charging fine? And it’s just the screen that is wrong or is it also not charging?
 
#6 · (Edited)
@SeattleCat I appreciate the cheerful disposition. I called around and have another dealer able to squeeze me in on Thursday. They said one of their vehicles exhibited the same issue while it was still on the lot.

I hope that Volvo can get a handle of this problem quick and that it doesn't recur for us. I'm sure we'll grow to love the car quickly once we feel like we can trust it.
 
#7 ·
I have the latest late June updates and I just push the front defrost for 20 seconds and the modem resets. So for me it is the same unless there is a newer update I don't have yet.

Have you tried rebooting infotainment with holding Home button for 20 seconds? It seems it might reset the model as well.
 
#8 ·
the car is not falling apart, it's just the networking having issues, you can still drive it just fine without LTE or Wifi. It happened to me one night (LTE modem went offline) and it was back by next morning. Remember that LTE is the cellular network, so in some cases it could just be the cellular network being down, though in your case it definitely seems to be a software issue given that GPS and Wifi also don't work. Probably a faulty antena module, let us know what the find, please.
 
#9 · (Edited by Moderator)
Um nope. it’s busted
Oh my way to dealership 2 of the day (back to the place it was purchased, a few hours from our home).

Not only is all the connectivity stuff broken, but the car is stuck in hobbled charging mode and apparently will not connect to VIDA. The first dealership I went to wanted nothing to do with it, and basically just shrugged their shoulders and said take it back to place of purchase, make it their problem and not ours.
 
#11 ·
all well and good, But no customer should ever be on the receiving end of this kind of BS. I’ve been in the car for almost 6 hours today, and the vast majority of the miles on that vehicle are the miles driven around this **** state trying to get a resolution.

I have bought six cars in my lifetime. Six out of six have been Volvos. That one we bought on Saturday is the very last one.
 
#12 ·
all well and good, But no customer should ever be on the receiving end of this kind of BS. I’ve been in the car for almost 6 hours today, and the vast majority of the miles on that vehicle are the miles driven around this **** state trying to get a resolution.

I have bought six cars in my lifetime. Six out of six have been Volvos. That one we bought on Saturday is the very last one.
I really don't understand the upheaval, you got sold a defective unit, you take it back to the dealer and say "fix it and give me a loaner until you are done". That's what others on this forum have done when they had an issue, like the guy who got a loaner for several week for a very minor thing (the wireless phone charger was busted) because they had to take the whole console apart. Given that your car is practically unusable, I would blame the dealer for the problem, they should have taken it back and given you a loaner until the had it fixed.

And I'm not trying to argue with you about this, just don't understand how something that should be pretty straight forward can go so off rails.
 
#14 · (Edited by Moderator)
I am wondering about words.

When we say dealers do we mean
A. Sales team until we get the car
B. Sales team after we get the car while they forget to order free stuff over and over and the important part
C. Service when the car has an actual problem
Or
D. Sales when the car has a problem

As far as I understand our contract is with Volvo service(s) which are the service departments of all Volvo dealerships. None should shun service all should treat us as a Volvo owner. And in my experience have always looked after me.

Sales departments (some/mine) barely gave a crap before I got the car and I certainly would not go to them for problems I have with it. They cannot give you a new car but they can champion your cause with sales.

So when I said go to another dealership I meant the service department of another but due to the inaccuracy of language I was probably not clear.

The number of P8s with bad cosmetic problems is low but it is not zero. So far all of the problems have been fixable with a competent service team working with Volvo. Not always very speedy but that should increase as they learn symptoms and link with cures better.

Good luck getting your car working.

Ps I call gps cosmetic but ac is not cosmetic esp in the heat of summer or cold of winter.
 
#15 ·
I am wondering about words.

When we say dealers do we mean
A. Sales team until we get the car
B. Sales team after we get the car while they forget to order free stuff over and over and the important part

C. Service when the car has an actual problem
Or
D. Sales when the car has a problem

As far as I understand our contract is with Volvo service(s) which are the service departments of all Volvo dealerships. None should shun service all should treat us as a Volvo owner. And in my experience have always looked after me.

Sales departments (some/mine) barely gave a crap before I got the car and I certainly would not go to them for problems I have with it. They cannot give you a new car but they can champion your cause with sales.

So when I said go to another dealership I meant the service department of another but due to the inaccuracy of language I was probably not clear.

The number of P8s with bad cosmetic problems is low but it is not zero. So far all of the problems have been fixable with a competent service team working with Volvo. Not always very speedy but that should increase as they learn symptoms and link with cures better.

Good luck getting your car working.

Ps I call gps cosmetic but ac is not cosmetic esp in the heat of summer or cold of winter.
What leads you believe “The number of P8s with bad cosmetic problems is low”? Do you have data from Volvo?
 
#16 · (Edited by Moderator)
Nothing about this is “cosmetic.” Functionality of the vehicle is greatly impacted by having not just gps, LTE, and wifi not functional. This is one of the reasons we traded in an older V60, and we paid for every bit of it.

The car is not charging correctly. It charged like it’s plugged into a 110V household socket, even on the dealer’s own charger equipment

The car cannot communicate with Volvo’s own VIDA diagnostic system.

A dealer decided that it was too much of a problem for them to handle because I didn’t buy the car there (because they didn’t have the car we wanted in their inventory). Okay. Not sure that’s how a service network is meant to work. I was a model customer — had all my issues written down concisely and even stopped by to pick up some snacks for the service dept. lounge to just say thanks for getting me on the appointment calendar this week. They treated me like crap, and even (wrongly) told me that the orange key I brought to have reset to a full-functional key couldn’t be changed (they didn’t know their own TJs).

I wrecked the rest of my day to drive halfway across the state to drop the car at the dealer who sold it to me. So they win, and I’m greatly inconvenienced. Fine.

They’ve lost Volvo two customers in our household who’ve never bought anything but this company’s product. They’ve convinced us that Volvo is trying to punch above its weight class in both engineering and in its management of its dealer networks and service departments.
 
#17 ·
nothing about this is “cosmetic.”
functionality of the vehicle is greatly impacted by having not just gps, LTE, and wifi not functional. This is one of the reasons we traded in an older V60, and we paid for every bit of it.

the car is not charging correctly. it charged like it’s plugged into a 110V household socket, even on the dealer’s own charger equipment

the car cannot communicate with Volvo’s own VIDA diagnostic system.

a dealer decided that it was too much of a problem for them to handle because I didn’t buy the car there (because they didn’t have the car we wanted in their inventory). Okay. Not sure that’s how a service network is meant to work. I was a model customer — had all my issues written down concisely and even stopped by to pick up some snacks for the service dept lounge to just say thanks for getting me on the appointment calendar this week. They treated me like crap, and even (wrongly) told me that the orange key I brought to have reset to a full-functional key couldn’t be changed (they didn’t know their own TJs).

I wrecked the rest of my day to drive halfway across the state to drop the car at the dealer who sold it to me. So they win, and I’m greatly inconvenienced. Fine.

They’ve lost Volvo two customers in our household who’ve never bought anything but this company’s product. They’ve convinced us that Volvo is punching above its weight class in both engineering and in its management of its dealer networks and service departments.
Fully agree. Calling these issues cosmetic is an attempt to trivialize problems that should not be occurring on a brand new 60,000 car.
 
#24 ·
Since picking up our car last Wednesday, we have had to do a system reboot with the center screen button just about daily. Fortunately, we are not in the position where the car refuses to respond to the rebooting like we were the first time.

In follow-up email with Volvo Customer Care, I relayed that the car is continuing to give us trouble after the repair. The repair, based on what I was told by the Service Manager, involved a "deep reset" (that he said we wouldn't be able to do ourselves) but no change in hardware.

Which is interesting, because what Volvo Customer Care wrote was the following:
[Dealership name] found one of the control modules in sleep mode, which was causing issues. With the help of our technical staff, they replaced the module (emphasis mine), reset the battery, and all appeared to be operating properly.
I also don't see anything on the service sheet that indicates any kind of hardware replacement.
1206



So it seems to me that there was some indication that a module needed replacement, but that instead we just got the soft "reset." This is me speculating, but I am guessing they tried to easy fix first to see if it would stick.

I'm pretty ticked off about this. Bad news for them is that I've got the next week off and will spend as much time as I need to getting to the bottom of this and who was supposed to do what.
 
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#26 ·
Agree. I'm not sure why Volvo Customer Care has on record that it was already done. I wonder if they accidentally said the quiet part out loud.

It makes me wonder who opted to go the quick and easy route — the dealership, or the Volvo people on the "hotline" that they consulted with?
 
#27 ·
Sounds like a dying IHU. I think they do all the free software stuff first then hardware :(

Are they open to printouts or threads from here and how folks go theirs fixed? Perhaps people could supply contact info for their service departments (that succeeded with the problem).

The biggest issue I perceive here is that each department is solving the P8 individually. There is a seeming lack of dissemination of information. Perhaps we can help with this.

Before folks say it’s not our job … do you remember when computer games had manuals and official guides … now they are written by game players which copes with the changing nature of a game (keeping a manual up to date is a pita) and saves the publishers money. Not that I want cars to go that way yet this board is a start in that direction …
 
#28 ·
Are they open to printouts or threads from here and how folks go theirs fixed? Perhaps people could supply contact info for their service departments (that succeeded with the problem).

The biggest issue I perceive here is that each department is solving the P8 individually. There is a seeming lack of dissemination of information. Perhaps we can help with this.
No, they were not. After they said they'd never heard of such issues before, I mentioned that in reading online it seemed that it certainly wasn't unique. The manager waved that off and said that they don't go down the "rabbit hole" of forum postings.
 
#33 ·
I am still trying to figure if my LTE issues are 1.7 or just my IHU is acting up. My LTE was dead for 15 hours until I rebooted and still dead, tried LTE reboot never seemed to work then a little after that LTE came back.
 
#37 ·
I do not want to jinx anything, but I may be on to something based on some events yesterday and today. I want to factory reset the car as I think there is a software/profile issue. My new phone come next weekend and if I have time I will factory reset the car and see what happens.