Jeep Grand Wagoneer 2024–2025 — technical service bulletin
Bulletin S2509000003REVA · NHTSA communication 11018620 · issued May 28, 2025
Technical service bulletin
communication type
Engine
component
2024–2025
model years
6
vehicle entries
Official summary
Engine Overheating Customer Complaint/Technician Observation: Customer complaint may include engine “overheating”. Discussion: When dealing with a customer complaint of engine ”overheating”, it is most important to understand exactly what the customer’s definition is of “overheating”. An explanation from the customer of what exactly happened is necessary. Overheating descriptions could include warning lamp(s), messages in the cluster, steam/smoke coming from under the hood, gauge “running higher than normal”, actual engine temperature higher than what the customer considers normal, smells hot,
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.