Jeep Grand Cherokee 4XE 2024 — technical service bulletin
Bulletin 08-192-24 · NHTSA communication 11006959 · issued Aug 28, 2024
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
"Flash: Integrated Dual Charge Module (IDCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician must find the following Diagnostic Trouble Code (DTC) has been set: ● **B22A9-42 - ECU Internal Performance-General Memory Failure.** ● B22A9-64 - ECU Internal Performance - Signal Plausibility Failure. ● B22A9-16 - ECU Internal Performance - Circuit Voltage Below Threshold. ● B22A9-17 - ECU Internal Performance - Circuit Voltage Above Threshold. ● B22A9-19 - ECU Internal Performance - Overcurrent. Customers may also experienc
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.