Flash: Integrated Dual Charging Module (IDCM) Enhancements
Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following DTCs have been set: ? **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. ? P0D27-00 - Battery Charger 1 Input Voltage Too Low. Customer may also experience the following: ? **Unable to charge the vehicle with level 2 charger.** ? Vehicle would not charge and the charge station circuit breaker in the house / receptacle trips when its plugged into the vehicle. This bulletin involves reprogramming the IDCM with the latest software available. NOTE: Additional module flashes are required for this update to be effective, the following modules are all to be updated along with this IDCM update: ? Powertrain Control Module (PCM). ? Integrated Dual Charging Module (IDCM). ? Transmission Control Module (TCM). ? Battery Pack Control Module (BPCM). ? Hybrid Control Processor (HCP), Auxiliary Hybrid Control Processor (AHCP) also known as the Power Inverter Module (PIM).
