Jeep Wagoneer S 2025 — technical service bulletin
Bulletin 08-355-25 · NHTSA communication 11024558 · issued Oct 24, 2025
Technical service bulletin
communication type
Electrical System
component
2025
model years
1
vehicle entries
Official summary
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. 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 w
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.