Technical Service Bulletin P7331 — 2016 INFINITI QX80

Disabling the 2G TCU Voluntary Service Campaign ***** Campaign Summary ***** Infiniti is conducting a Voluntary Service Campaign to disable (turn off) the 2G Telematics Control Unit (?2G TCU?). The subject QX56/QX80, JX35/QX60, M37/M56/Q70, and 2014-15 Q50 vehicles are equipped with Continental GEN1 TCU devices transmitting at 2/2.5G (GSM/GPRS/UMTS) frequencies and are designed to work with 2G cellular service. The 2G cellular service is no longer active in the United States. The subject 2G TCUs are no longer connected to telematics services and no longer perform any function in the affected vehicles. This campaign is being performed out of an abundance of caution to help safeguard against potential cybersecurity issues. - All eligible vehicles that enter the service department for any reason should have the subject 2G TCU deactivated. This campaign will be performed at no charge to the client for parts and labor. - Vehicles that have been upgraded to 3G TCUs are not subject to this campaign. - For clients interested in the 3G TCU upgrade as opposed to deactivation, please refer to ITB17-007 (PC451, PC452, or PC454)