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2024 Tahoe Service 4X4 message on startup
Brand new 2024 RST Duramax on initial startup when cold (like 3°, which is cold where we are at) i get a “service 4WD” message and cannot select any mode for the 4WD. After driving or letting it warm up completely shutting it off, letting the system reset then starting it back up the fault goes...- Ryan 2024
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- Forum: Engine & Drivetrain
