Jeep Grand Cherokee 2021–2022 — technical service bulletin
Bulletin S2108000194RevA · NHTSA communication 10219979 · issued Aug 27, 2021
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
3
vehicle entries
Official summary
High Beams Do Not Turn On While The Headlamp Switch Is Set To The Auto Lights On Position, High Beam Headlamps Do Operate With Switch Set To Manual Lights On Low Beam Position
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.