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February 11, 2026 Service bulletin

Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator...

Jeep technical service bulletin 08-054-26 for 2023 Jeep Grand Cherokee 4xe.

Bulletin number
08-054-26
Component
Electrical system
Summary
Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● B22A9-42 - ECU Internal Performance-general Memory 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. ● B22A9-64 - ECU Internal Performance-Signal Plausibility Failure. Customers may also comment on the following: ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.

Owners of these vehicles have filed 47 complaints in the electrical category.

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