Security Gateway Module (SGW) Software Update he following software enhancements are available: ●...

Bulletin number

08-353-25

Component

Electrical system

Summary

Security Gateway Module (SGW) Software Update he following software enhancements are 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 flashing the SGW to the latest software level in the case that the FOTA did not function.

Owners of these vehicles have filed 21 complaints in the electrical category.