JEEP

08-059-26 REV. A

2026-07-03 · NHTSA 11034892

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

Manufacturer summary

Original wording in English

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.** ● B22A9-16 - ECU Internal Performance - Circuit Voltage Below Threshold. ● B22A9-17 - ECU Internal Performance - Circuit Voltage Above Threshold. ● B22A9-19 - ECU Internal Performance - Overcurrent. ● B22A9-42 - ECU Internal Performance - General Memory Failure. ● B22A9-64 - ECU Internal Performance - Signal Plausibility Failure. Customers may also experience the following: ● The vehicle will not charge. This bulletin involves reprogramming the IDCM with the latest available software.

Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.