Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator...
Jeep technical service bulletin 08-259-26 for 2022 Jeep Grand Cherokee 4xe.
- Bulletin number
- 08-259-26
- Component
- Electrical system
- Summary
- Flash: Integrated Dual Charging Module (IDCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation SYMPTOM: the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ● B22A9-87 - ECU Internal Performance - Missing Message. ● P0D21-00 - Battery Charger "A" Output Voltage Too Low ● B22A9-42 - ECU Internal Performance-general Memory Failure. ● B22A9-16 - 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. ● B22A9-92 - ECU Internal Performance - Performance Or Incorrect Operation. Customer may also experience the following: ● 12 volt battery drain. ● Vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest software available.
Owners of these vehicles have filed 44 complaints in the electrical category.
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