Both longtime GM commercial van models, the Chevy Express and GMC Savana, are currently being investigated by the NHTSA in response to five alleged transmission failures. Some evidence is pointing to ...

Sounds like an aggressive shift schedule to gain the best EPA fuel economy at the expense of driveability. I have a 2016 6.0L 6-speed 3/4 ton Express van with 12k miles and no problems with the shift ...