Jeep Grand Cherokee 2026 — technical service bulletin
Bulletin 09-019-26 · NHTSA communication 11036160 · issued Aug 8, 2026
Technical service bulletin
communication type
Engine
component
2026
model years
2
vehicle entries
Official summary
Potential Engine Oil Overfill Customers may comment on the following: SYMPTOM: ● Misfires or sluggish engine performance. This bulletin involves inspecting the engine oil level and possibly performing an engine oil change.
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.