This Preliminary Information communication advises the technician that if OnStar is unable to configure the vehicle after the OnStar 15-08-44-001 upgrade and Onstar receives a 118 error code when attempting to configure the vehicle. Dealers should receive a sheet with the kit that provides steps to assist with handling this error. Dealer will follow one of the listed steps to resolve the issue. If there are still configuration issues, please contact the OnStar Technical Assistance Centre for assistance.
