Jeep Grand Cherokee 2014–2019 — technical service bulletin
Bulletin S2218000022 · NHTSA communication 10229751 · issued Dec 9, 2022
Technical service bulletin
communication type
Electrical System
component
2014–2019
model years
12
vehicle entries
Official summary
Perceived Low Power/Acceleration Lag, And/Or Malfunction Indicator Lamp (MIL) Illumination, Diagnostic Trouble Codes (DTCs) P0299 Turbocharger Underboost And/Or P026D ? Fuel Injection Quantity Higher Than Expected, Set.
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.