08-336-25 REV. A

Security Gateway Module (SGW) Software Update Customers may experience **one or more of **the following:
• **Connectivity services will not work - including WIFI setup, Alexa, live traffic etc. Level 2 Plus functionality also affected/not enabling.
• SGW not responding to diagnostic and showing offline.**
• Wifi cannot be setup. The following software enhancements are also available:
• Diagnostic Trouble Code (DTC) U3033-00 - Control Module Security Certificate Missing/Invalid and **U3033-01 - Control Module Security Certificate Missing/Invalid - General Electrical Failure** are both active or stored and cannot clear. This DTC will not turn on the Malfunction Indicator Light (MIL).
• If a Firmware Over The Air (FOTA) message appears specifically directing the customer to service OR repeated FOTA events are not being completed, then a manual flash is required for the SGW update.
• SGW module is not responding to diagnostics and is showing offline. This bulletin involves **inspecting and possibly** flashing the SGW to the latest software level in the case that the FOTA did not function