Jeep Grand Wagoneer 2023 — technical service bulletin
Bulletin 0800424 · NHTSA communication 10251821 · issued Jan 4, 2024
Technical service bulletin
communication type
Electrical System
component
2023
model years
2
vehicle entries
Official summary
Flash: Central ADAS Decision Module (CADM) Updates **Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC) has been set: ? C008E - ECU Internal Performance (NA Only). In addition, the customer may comment on one ore more of the following: ? Advanced Driver Assistance Systems (ADAS) features disabled with a Instrument Panel Cluster (IPC) message, occurring at or near the U.S.A./Mexico border (NA Only).** ? Excessive warnings from the ADAS/Active Lane Management (ALM) system (MEA On
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.