Jeep Grand Cherokee 2021–2022 — technical service bulletin
Bulletin S2108000112 · NHTSA communication 10223410 · issued May 7, 2021
Technical service bulletin
communication type
Electrical System
component
2021–2022
model years
2
vehicle entries
Official summary
RFHUB Sets Stored DTC - U1517-87 Body Controller Secret Code - Missing Message Intermittently When The Vehicle Is Remote Started
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.