Jeep Grand Cherokee 2023 — technical service bulletin
Bulletin 08-030-25 · NHTSA communication 11013575 · issued Jan 29, 2025
Technical service bulletin
communication type
Electrical System
component
2023
model years
3
vehicle entries
Official summary
"Flash: Integrated Dual Charging Module (IDCM) Enhancements **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● 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 experience the following: ● Vehicle will not charge."
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.