JEEP

08-054-26

Manufacturer communications

Publication date: 2026-02-11
Received by NHTSA: 2026-02-19
NHTSA record numbers: 11028864

Manufacturer summary

Original wording in English

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.

NHTSA manufacturer communications ↗