Jeep Grand Cherokee 2026 — technical service bulletin
Bulletin 09-014-26 · NHTSA communication 11035172 · issued Jul 15, 2026
Technical service bulletin
communication type
Fuel/propulsion System
component
2026
model years
2
vehicle entries
Official summary
Not applicable to vehicles built for US market. Engine Runs Rough Customers may comment on the following: SYMPTOM: ● Engine runs rough. This bulletin involves filling the fuel tank with premium fuel (95 RON minimum) during the Pre-Delivery Inspection PDI process.
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.