Jeep Grand Cherokee 2026–2027 — warranty extension
Bulletin 114273 · NHTSA communication 11036777 · issued Aug 25, 2026
Warranty extension
communication type
Engine
component
2026–2027
model years
4
vehicle entries
Official summary
D-26-18 Rev. A Dealer Incentive for the Completion of Customer Satisfaction Notification 66D
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.