Owner notification letters are expected to be mailed on Dec. 23. Owners may contact GM customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020 or GMC customer service at ...
GM has issued a customer satisfaction program for a programming update to the Serial Data Gateway Module in the 2024 GMC ...
Owner notification is estimated to start on Dec. 23. Owners may contact GM customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782.