ormandj

You don’t need someone employed by GM to confirm, it’s directly stated in the service bulletin, the radio update is no longer included.

That's caused by changing the intermittent wiper setting. I had this same issue and discovered it's because you're slightly rotating the intermittent settings enough that it registers a change. The wipers wipe once if you change it one notch - try it manually and you'll see. The switch doesn't even have to be moved to a new position fully, it will register a change with a slight movement that leaves it in the same position. It's just a really bad physical placement of that control on the turn signal stalk, and a strange implementation of auto-wipers where you need that intermittent setting enabled in order to turn on auto wipers vs. a dedicated button.

Circling back, I definitely do hear it in non-sport mode, but driving in sport-mode you hear it more frequently because of the shift pattern change/throttle response. If you get on the accelerator aggressively in non-sport, you still do hear it. Thanks for all those who responded!

Which year and specific model truck do you have? [Edit: N/M, I see in your profile]

Have you tried a hard reboot? Press and hold the hangup button until the system power cycles.

I'll be curious to hear your feedback! It was noticable for me even without the passenger window down, but even more so with it rolled down. Try accelerating mid-throttle at 30mph to 50mph or so, then let off.

Has anybody else noticed increased turbo noise (on acceleration but especially when letting off the accelerator) with a 3.0 duramax (I have a 2024 at4x)? I hadn't used sport mode, so decided to check it out after getting a few hundred miles beyond the 500 mile break-in period, and even with light throttle then letting off, I'd hear the "woosh". I thought it might be artificial so rolled down the window, and it's definitely coming from the turbo. I'd read about the throttle response, transmission, and steering changes, but never about this. I tested it a few times and perhaps it's just due to the transmission map, but it was noticeable even at lower speeds. Does anybody else hear this, too?

Is your navigation (google maps on the HU) somewhat... laggy? This may be normal for this car, but I've noticed it's frustratingly slow to respond sometimes, especially within the first minute or two of the vehicle starting, but even after. My car was delivered with this update already applied, so I wasn't able to test with the prior version (I have AA 12).

That's so annoying, I just want a gauge to read accurately. Is something like the Banks idash the only good option to solve for this in a way that doesn't require looking at your phone?

I'm baffled why it doesn't just use a percentile over time, in essence debouncing erratic polls. So 95th percentile over the last 10 minutes or something. Clearly the "miles remaining" is updating like this, I'm just at a loss for why the fuel gauge isn't, since the data is obviously there. It sounds like this is a "known issue" and not unexpected, then?

Trip 1 is since I filled the tank. Readout is from OBD2.

I’ve been doing pump calculated mileage over the last 600 miles and average a little over 20mpg. Lots of around town driving. I’m just surprised the fuel % might be 80% via OBD2 but the fuel gauge itself will show nearly full. I’ll give it a few more tanks, it wasn’t like this before, that’s why I was confused. At my current mpg I should get about 480 miles if I depleted the tank entirely, which I expect there is a reserve on. The estimated mileage is pretty close to what I’d expect.

I’ve noticed after driving 70+ miles it has slightly moved downwards(perhaps a mm at most), so it definitely is moving, but there’s no way it’s even close to an accurate representation of remaining fuel. I’m showing 410 miles remaining, which started at 480, so the miles remaining appears to be working as expected.

I have a 2024 1500 AT4X 3.0 diesel I picked up last Friday. The last day, I've noticed my fuel gauge does not appear to be dropping on the digital display, though my miles remaining indicator does. If I use an OBDII scanner, I can see the PID associated with fuel percentage appears to be accurate. The gauge was stuck at around 95%, but it was reading 80%. I filled up the tank, and the digital gauge updated to full, but even after driving 60 miles, it hasn't budged, though OBDII and miles remaining both show the fuel level has dropped, so I know the sensor in the tank must be working correctly. It seems like something is 'stuck' with the instrument cluster fuel gauge, or there's some weird behavior going on here that's unexpected. It is strange, though, that when I filled up (the gauge was stuck at around 90-90% if I were to eyeball it) - it went to full, so clearly it at least partially responds. Full transparency, I had the serial data recall performed, and they did update the radio (this was when -4 was the latest) last Friday. That said, the gauge was working properly afterwards, or at least, was dropping as I burned diesel. The other notable thing that's occurred was I had the battery disconnected for an hour or so the other day while ensuring all the fuses/bolts/etc were tight and I had an emergency meeting come up (old habit from owning Jeeps which are notorious from coming from the factory with things not seated properly.) The last thing I can think of that's different is my driveway is at a fairly steep angle, and last night I reversed in and parked (tank would be much higher than the engine and depending on sensor location, perhaps reads as lower fuel). I'm wondering if the gauge does some kind of weird compensation if it detects fuel level increasing significantly (when the car leveled out after I drove off) while the car is running? I normally park forward, which has the engine/front of the truck higher than the back/tank. Has anybody else run into this or have any suggestions on what I might do? I did the hold down the 'hangup' button reset of the infotainment, but that doesn't seem to have changed a thing. It just seems really odd that filling up caused the gauge to go to full, but burning gas does not appear to make it drop, or at least it hasn't budged in the first 70 miles or so I've driven on this new tank of gas. Do I need to perform some kind of procedure to re-calibrate it after pulling a battery for a longer period of time? Or parking reversed up hills?

You’re a beast! Thank you!