Installed the PPE bypass on the RST last week. With ambient temps between 75-95, the trans temp dropped from 195-198 unloaded to between 180-185. Not what I was expecting (also has the Max Trailering package). I have a Nextgen diesel valve body upgrade kit going in this week and the remaining thermostat in the pressure regulator valve will be removed and I'll see what happens.
I did the same mod in the Valve body upgrade kit for my '24 3500 HD Duramax and I haven't seen much difference in trans temp but I've just been running back and forth to town so far.
It's going to last a long time. You seem to take care of your vehicles and that is key. I wish I kept my 2002 Silverado. These new vehicles are not built with quality anymore.
2022 Refresh LTZ with the console - I put a 4D tech Start/stop eliminator in the truck a week ago and it works great. Yes there are a number of panels you need to take off to get access but its not that hard to do. Figure I spent about 1-1/2 hrs doing the truck and another 10 minutes installing one in the wifes car - that had easy access.
Did they do this TSB from the post above?
New updated program required to get this running is #PIT6504 dated Apr 1 , 2026.
Appears the applications cover numerous Chevy and GMC vehicles with fwd col, AEB, and LKA options.
Hopefully this helps someone out in the future with these issues.
I’ve bought a few vehicles from people I know that took great care of them. My Ridgeline is the most recent. 160K miles for 7K. Right at market value. A cream puff. At 200K miles it will need a minimum of 5K in maintenance. Grumpy just put a few dollars in his Reg Cap truck. Another cream puff. You’re still rolling the dice at those miles. I’ll hit the same milestone with the Odyssey in about two years. I like that you can use a service that tracks use vehicles for maintenance. Do you roll the dice or spend a little more get a lower mileage one with the maintenance already done. Spend 15K on a 100K mileage vehicle after maintenance done or spend 5K on one at 200K that’s 15 years old.
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