GM's Fix for Broken AWD Is to Turn Crossovers Off and On Again

There's something wrong with several General Motors crossovers, and the automaker seems unsure of how to fix the issue.
GM Authority

Here May Be Why Your GMC Sierra Loses Brake Assist After An Engine Stop/Start Event

GM issued a bulletin for GMC Sierra trucks that may lose brake assist after auto-stop/start. A voltage drop causes the fault; ...
GM Authority

Here May Be Why Your GMC Sierra Or Yukon Has Brake Or StabiliTrak Issues

GM has released preliminary service bulletin to address a condition that may affect certain units of the GMC Sierra and GMC ...
MotorBiscuit

‘Service 4WD’ Multiple General Motors SUVs Have Faulty AWD Systems

In Chevrolet Traverse, GMC Acadia, or Buick Enclave SUVs, you may see “Service All Wheel Drive” or “service 4WD” illuminated in the gauge cluster upon starting the engine. This includes 2024 – 2026 ...