Jeep Grand Wagoneer 2024 — technical service bulletin
Bulletin 08-106-26 · NHTSA communication 11030116 · issued Mar 10, 2026
Technical service bulletin
communication type
Electrical System
component
2024
model years
2
vehicle entries
Official summary
Flash: Global Telematics Box Module (TBM) Updates **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B22A9-96 - ECU Internal Performance-Component Internal Failure. ● B1560-11 - Cellular Antenna 1-Circuit Short To Ground. ● B1560-13 - Cellular Antenna 1-Circuit Open. ● B1561-11 - Cellular Antenna 2-Circuit Short To Ground. ● B1561-13 - Cellular Antenna 2-Circuit Open. ● B1562-14 - GPS Antenna-Circuit Short To Ground Or Open.** The customer may experience the follow
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.