Jeep Grand Cherokee 2021 — technical service bulletin
Bulletin S2102000004 · NHTSA communication 10218476 · issued Aug 4, 2021
Technical service bulletin
communication type
Parking Brake
component
2021
model years
1
vehicle entries
Official summary
WL Front Control Arm Bushing - Handling Link Has Loose Rubber Appearance (Incorrect "S2123000004" indicated on published document)
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.