Jeep Wrangler 2020 — technical service bulletin
Bulletin 9004272 · NHTSA communication 10229253 · issued Jul 15, 2020
Technical service bulletin
communication type
Suspension
component
2020
model years
1
vehicle entries
Official summary
RECEIVER, Hub (RF Hub) For reports of vehicle unable to key on or instances of RFHM shows as unresponsive in WiTech topology diagnostically, please contact FCA Redacted Content prior to replacing this part. If no response in 15 minutes, proceed with repair.
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.