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Service bulletin 9004272

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10229253
Published by NHTSA2023-01-09
Manufacturer's number9004272
Manufacturer's date2020-07-15
NHTSA componentPOWER TRAIN:AXLE HUBS; SUSPENSION:FRONT:HUB

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Suspension, Transmission and driveline, Axle

Vehicles listed
JEEP WRANGLER2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
03003222023-01-17. Service bulletin. Front or Rear Axle Sensor Kit
S2003000001RevE2023-01-09. Service bulletin. Noise From The Front Axle Area Over Bumps
91000102023-01-09. Service bulletin. Axle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
S2003000001RevE2022-10-31. Service bulletin. Noise From The Front Axle Area Over Bumps
91000102022-10-31. Service bulletin. Axle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
S2003000001RevE2022-10-31. Service bulletin. Noise From The Front Axle Area Over Bumps
91000102022-10-31. Service bulletin. Axle Assembly A parts kit (SENSOR KIT, Axle: 68544629A$) is available to repair the Axle Locker Sensor on JL/JT equipped with the M210 and M220 Tru-Lok axles (DSE). This parts kit must be used when only the Axle Locker Sensor fails. Do not replace the axle for sensor failure.
W452022-10-17. Service bulletin. Customer Satisfaction Notification W45 Front Axle Bracket
W452020-07-27. Service bulletin. Customer Satisfaction Notification W45 Front Axle Bracket