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July 3, 2026 Service bulletin

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

Jeep technical service bulletin 08-055-26 REV. A for 2025 Jeep Grand Cherokee 4xe.

Bulletin number
08-055-26 REV. A
Component
Electrical system
Summary
Flash: Integrated Dual Charge 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): ● B22A9-87 - ECU Internal Performance-Missing Message. ● P0D21-00 - Battery Charger "A" Output Voltage Too Low. ● 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 comment on the following: ● The vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.

Owners of these vehicles have filed 1 complaints in the electrical category.

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