Jeep Wagoneer 2022 — technical service bulletin
Bulletin 0802123 · NHTSA communication 10239939 · issued May 12, 2023
Technical service bulletin
communication type
Equipment
component
2022
model years
1
vehicle entries
Official summary
Flash: Radio Frequency Hub Module (RFHM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Code (DTCs) have been set: ? B21DD-84 - System Voltage-Signal Below Allowable Range. ? B21DD-85 - System Voltage-Signal Above Allowable Range. ? C151D-00 - Tire Pressure Sensor Location Undetermined. ? U1517-87 - Body Controller Secret Code-Missing Message. ? B1A71-01 - Passive Entry Antenna 1-General Electrical Failure. ? B1A72-01 - Passive Entry Antenna 2-General Electrical
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.