Yes, you need some level of onstar data service to receive speed sign and traffic info. The onstar people are very evasive in their answers as to what plan gives you what. My suggestion is start with their cheapest plan and see what you get.
Agree completely. I’ll add the fuel filter change is extremely easy. Also get a green diesel fuel cap from Amazon, with two filler ports next to each other it just adds another barrier to putting the wrong fluid in the wrong hole. Very expensive mistake.
I really like the 3.0. I don’t hammer the throttle but acceleration from a stop is maybe quicker than the 6.2. Freeway speeds, acceleration is a little less than 6.2. I think the 3.0 idles smoother than the 6.2. Love the diesel rattle sound, some may prefer the v8 growl. The 3.0 has another...
I bought a ‘24 HC Tahoe last year. My fault, I had no idea they were using Dfm with collapsible lifters leading to lifter/cam failures. Then the crank bearing issue came up. So the top end fails and now the bottom end fails. It’s all about percentages and I didn’t like the percentages I saw. I...
Sounds like Dfm. If L9 works, a Dfm disabler is what you need.
Edit, they don’t make a disabler for 2025 models yet. L9 will get you by until they make a disabler.
I traded my ‘24 6.2 tahoe for a ‘25 3.0 diesel tahoe. Idles significantly smother, plenty quick and over 600 miles per tank. Yes, I lost money in the deal, but it was worth it.
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