Jeep Gladiator 2020–2023 — technical service bulletin
Bulletin S2318000002 · NHTSA communication 10231738 · issued Jan 24, 2023
Technical service bulletin
communication type
Exterior Lighting
component
2020–2023
model years
11
vehicle entries
Official summary
Malfunction Indicator Lamp (MIL) Illumination. Intake Manifold Runner Valve Diagnostic Trouble Codes (DTCs) Setting In Extreme Cold Ambient Temperatures.
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.