This Preliminary Information communication advises the technician that the Onboard Charge Module, Hybrid Powertrain Control Module 2, Air Compressor Control Module, Accessory Power Module, Hybrid Powertrain Control Module, Drive Motor Generator Power Inverter Module, AC Charger - Low Content  High Voltage Battery Disconnect Control Module, and the DC Fast Charger - High Content High Voltage Battery Disconnect Control Module parts have been placed on part restriction thought General Motors Technical Assistance Center. Dealer will need to contact General Motors Technical Assistance Center for further assistance.
