Jeep Grand Wagoneer 2022 — technical service bulletin
Bulletin 0814623 · NHTSA communication 10243250 · issued Aug 11, 2023
Technical service bulletin
communication type
Steering
component
2022
model years
2
vehicle entries
Official summary
Flash: Electric Power Steering (EPS) Module Updates The customer may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs): ? **C221F-00 - ECU Not Initialized.** ? C1592-00 - Electronic Power Steering Motor Circuit. ? C1593-00 - Steering Torque Sensor Circuit. ? C2217-00 - Electric Power Steering Module Internal. The customer may also experience one or more of the following: ? Loss of steering assist and illuminated steering light in the Instrument Panel Cluster (IPC). ? Lack o
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.