Jeep Grand Wagoneer 2023–2024 — technical service bulletin
Bulletin 0821623 · NHTSA communication 10248608 · issued Sep 9, 2023
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
2
vehicle entries
Official summary
Battery No Start, Jump Start, Tow-In Complaints Customer may experience one or more of the following: ? No start, jump start, or tow-in. ? Engine Stop Start (ESS) is inoperable.
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.