2021 Infiniti Q50 Technical Service Bulletins

111 technical service bulletins (TSBs) are on record for the 2021 Infiniti Q50. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10190189Mar 15, 2021Electrical system. SOFTWARE UPDATE FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10190188Mar 5, 2021Electrical system. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10190187Mar 1, 2021Engine cooling. INFINITI; DTC P0456 CAUSED BY EVAP LEAK AT VENT CONTROL VALVE O-RING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10188303Feb 3, 2021Forward collision avoidance, Lane departure. AEB WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10186824Jan 28, 2021Electrical system. TELEMATICS CONTROL UNIT RESET AFTER AUTOMATIC COLLISION NOTIFICATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10186793Jan 27, 2021Electrical system. TELEMATICS (IVC) SERVICE INFORMATION See ITB12-011 for models built before those listed above for a different Service Procedure. SERVICE INFORMATION The Applied Vehicles are equipped with a wireless communication device called a Telematics Communication Unit (TCU). With an active Infiniti InTouch Services™ subscription the TCU communicates with the Infiniti Data Center to provide various security and convenience…
• 10186859Jan 22, 2021Engine cooling. Subject: MY21 Performance Package (Q50/Q60) Update In MY21, INFINITI introduced the Performance Package - two existing Motorsports items, Axle-Back Sport Exhaust and Red Alpha Cold-Air Intake – as a VPC Accessory Package for Q50 and Q60 RED SPORT 400. These items are packaged in the trunk of the vehicles, and are expected to be installed by the retailer at time of sale, assuming client agreement. The Performance…
• 10185408Dec 17, 2020Visibility (wipers, defrost, mirrors). WINDSHIELD WIPER BLADE PERFORMANCE/DIAGNOSIS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10183966Nov 30, 2020Electrical system, Other or unknown. TELEMATICS CONTROL UNIT RESET AFTER AUTOMATIC COLLISION NOTIFICATION SERVICE INFORMATION The Telematics Control Unit (TCU) has the ability to send an automatic collision notification when the vehicle is involved in an accident. Once an automatic collision notification is performed, the function becomes disabled. The TCU must be reset to re-enable the automatic collision notification function.
• 10183964Nov 5, 2020Lane departure, Forward collision avoidance. AEB WARNING LIGHT BLINKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10182411Oct 28, 2020Equipment, Wheels. 2021 QX50; NO LUG WRENCH SERVICE INFORMATION The APPLIED VEHICLE is not equipped with a lug wrench. The storage bin in the trunk still exists, but the wrench is not included with the vehicle. The lug wrench (PART #: 99545-0U000, WRENCH - WHEEL NUT), is an available accessory the customer may purchase if it is requested. DO NOT file a warranty claim for a missing lug wrench.

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