Jeep Grand Cherokee 2022–2023 — technical service bulletin
Bulletin 85514 · NHTSA communication 10229518 · issued Aug 17, 2022
Technical service bulletin
communication type
Power Train
component
2022–2023
model years
4
vehicle entries
Official summary
Warranty Bulletin D-22-08 Fast Feedback Program ? 3.0L I6 SO Twin Turbo Engine, 3.0L I6 HO Twin Turbo Engine, Exhaust Systems, Turbocharger Assemblies, Fuel Components and Cooling Components - 2022 and 2023 Wagoneer and Grand Wagoneer (WS) (Rev. A)
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.