Jeep Grand Wagoneer 2025–2026 — technical service bulletin
Bulletin S2624000004 REV.A · NHTSA communication 11033312 · issued May 27, 2026
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
6
vehicle entries
Official summary
A/C Inoperative, A/C Relay Not Engaging.
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.