Jeep Grand Wagoneer 2023 — technical service bulletin
Bulletin S2318000007 · NHTSA communication 10240019 · issued May 3, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2023
model years
2
vehicle entries
Official summary
Mil Lamp-On/Check Engine Lamp-On after a cold engine start.
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.