2019 Infiniti Q50 Technical Service Bulletins

122 technical service bulletins (TSBs) are on record for the 2019 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.

• 10161388May 22, 2019Lane departure, Equipment. AEB WARNING LIGHT BLINKING This bulletin applies only to vehicles equipped with a lane camera. SERVICE INFORMATION If the AEB warning light is blinking (but not illuminated steadily) or the customer states it is blinking, and there are no related DTCs, inspect the windshield.
• 10160177Apr 4, 2019Electrical system. INTELLIGENT KEY DOES NOT WORK AFTER BATTERY REPLACEMENT SERVICE INFORMATION If the Intelligent Key of an APPLIED VEHICLE does not work after replacing the battery, inspect the positive (+) terminals. If the battery side of the Intelligent Key is held by pinching down on the terminals while removing the battery, it is possible to bend the terminals down far enough that they will not touch the contacts on the other…
• 10160176Apr 2, 2019Equipment. EXTERIOR CLEANING INFORMATION SERVICE INFORMATION When cleaning the exterior of an Infiniti vehicle, damage may occur when using a cleaner with too high of an alkaline concentration. - Always refer to the Appearance and care section of the related owner?s manual. - Not all cleaners are created equal. - Many cleaners come in concentrated form. - Alkaline cleaners (cleaners with a high pH value) can cause spots on…
• 10158424Mar 5, 2019Equipment, Fuel system, Other or unknown. INFINITI; P0171 AND P0174 SERVICE INFORMATION SERVICE INFORMATION Diagnosis for DTCs P0171 (FUEL SYS LEAN B1) and P0174 (FUEL SYS LEAN B2) have been revised for the APPLIED VEHICLES listed above. When performing diagnosis for either of these DTCs, start by using the SERVICE PROCEDURE section of this bulletin. NOTE: The related Electronic Service Manuals (ESM) will be revised in the future to include these…
• 10158423Mar 4, 2019Equipment, Electrical system. INFINITI; MIL ON WITH DTC P219A AND/OR P219B STORED SERVICE INFORMATION If the MIL is ON and DTC P219A (AIR FUEL RATIO IMBALANCE B1) and/or P219B (AIR FUEL RATIO IMBALANCE B2) is stored: - DO NOT replace the Air Fuel Ratio (A/F) sensor. - Refer to the applicable Electronic Service Manual (ESM) and follow the diagnostic procedure for DTC P219A and/or P219B.
• 10155156Feb 28, 2019Equipment. CLOCK, AUDIO, HVAC OR NAVIGATION SETTINGS INTERMITTENTLY CHANGE ON THEIR OWN This bulletin applies only to vehicles equipped with INFINITI InTouch (Intelligent Key). SERVICE INFORMATION An Intelligent Key, for the applied vehicles with INFINITI InTouch?, has the abillity to trigger specific customized settings for the radio, clock, heating and air conditioning (HVAC) and navigation that are unique to that key, and…
• 10155152Feb 4, 2019Equipment. INTELLIGENT KEY BUTTONS INOPERATIVE BUT REQUEST SWITCHES WORK This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10152991Jan 29, 2019Engine 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.
• 10152989Jan 29, 2019Engine cooling. ALL MODEL YEAR 2012 AND NEWER INFINITI VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
• 10152987Jan 24, 2019Equipment. TELEMATICS SERVICE INFORMATION This bulletin applies only to vehicles equipped with factory Navigation system. This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10152993Jan 15, 2019Equipment. 2018-2019 INFINITI VEHICLES; DISPLAY CONTROL UNIT SERVICE INFORMATION SERVICE INFORMATION If the Display Control Unit (DCU) needs to be replaced on an APPLIED VEHICLE for any reason, follow the steps in the Service Procedure to: - Confirm proper diagnosis and repair with TECH LINE to obtain DCU order approval, then place the order with DENSO. NOTE: The DCU order approval process does not apply to 2017 model year…
• 10152992Jan 11, 2019Equipment, Electrical system. CHASSIS CONTROL MODULE DTC INFORMATION SERVICE INFORMATION If one or more of the following Chassis Control DTCs are stored: - C1BA0-00 - (CHASSIS CONTROL BRAKE SYSTEM) - C1B90-00 - (DIRECT ADAPTIVE STEERING SYSTEM) - C1B92-00 - (BRAKE CONTROL SYSTEM) - C1B93-00 - (ENGINE/HEV SYSTEM) - C1B94-00 - (TRANSMISSION SYSTEM) And One or more additional DTCs, other than those above, are also stored in a control unit other…
• 10152506Nov 13, 2018Air bags. AIR BAG WARNING LIGHT FLASHING INDICATING SYSTEM DIAGNOSTIC MODE IF YOU CONFIRM The air bag warning light is flashing slowly (repeating 2 seconds ON, 2 seconds OFF). NOTE: If this should occur, the Air Bag Diagnosis Sensor Unit is in Diagnostic Mode and needs to be returned to User Mode. ACTION 1. Use CONSULT-III plus to check for Air Bag DTCs and perform repairs as needed. 2. Return the Air Bag Diagnosis Sensor…
• 10149809Oct 24, 2018Equipment, Body and structure. PLASTIC INTERIOR TRIM PROTECTIVE COVERING REMOVAL SERVICE INFORMATION Vehicles are delivered with plastic interior trim protective covering on the front and rear seats, front and rear door panel finishers, steering wheel, and sun visors (see examples on page 2). When removing the protective covering, care must be used to avoid scuffs, scrapes, cuts, and other abrasive contact to interior trim components. DO NOT use…
• 10149806Oct 12, 2018Transmission and drivetrain. TRANSMISSION & ENGINE AUTOMATED DATA COLLECTION AND DIAGNOSTIC REPORTING SERVICE INFORMATION To support proper diagnosis and to promote Fixed-Right-First-Time ? Infiniti may review CONSULT-III plus (CIII plus) data relating to vehicle operation and function to help with vehicle diagnosis and diagnostic validation. IMPORTANT: For transmission/engine repair or replacement, retailers are required to connect C-III plus…
• 10149804Oct 9, 2018Electrical system. INFINITI; SIGNAL TECH-II INTELLIGENT KEY BATTERY TEST AND SIGNAL CHECK This bulletin has been amended. See Amendment History on the last page. Please discard previous versions of this bulletin.
• 10149802Oct 9, 2018Equipment. Infiniti USA Electronic Field Communication Subject: Retailed Vehicle Open Campaign Report Lists Updated The lists for each retailer?s Retailed Vehicle Open Campaign Report has been updated today in DBS. We made our best effort to reassign vehicles to retailers based on the most recent owner information we received.
• 10149803Oct 2, 2018Air bags. Infiniti USA Electronic Field Communication Subject: Takata Completion Objectives for Q3 INFINITI is continuing to ask its retailers to urgently help increase customer participation in the Takata recalls to help it achieve 100% customer recall participation for the following vehicles: ? 2001 I30 ? 2002-04 I35 ? 2003-08 FX ? 2002-03 QX4 ? 2006-10 M Sedan INFINITI expects to upload the next refreshed owner list to…
• 10145542Sep 11, 2018Equipment. TELEMATICS SERVICE INFORMATION This bulletin applies only to vehicles equipped with factory Navigation system. This bulletin has been amended to add a Required Actions by Model and Year table on page 2, a Check OFF Sheet on page 21 and to reorganize the information throughout. It is necessary for you to read this revised procedure to properly perform this Service Information. Please discard previous versions of…
• 10144484Apr 4, 2018Equipment. NEW PAINT GUARD FILM REMOVAL INFORMATION This bulletin applies only to new, unsold vehicles with Paint Guard Film in Dealer Stock. This bulletin has been amended. The publication date has been revised to include the latest models and model years. No other changes have been made. Please discard previous versions of this bulletin.
• 10136636Mar 7, 2018Equipment. DBS Enhancement: Custom VIN Campaign Report INFINITI is pleased to announce the availability of a new DBS enhancement to the Service > Campaign screen: Custom VIN Campaign Report. The tool identifies open campaigns on a customized VIN list loaded into DBS for INFINITI and Nissan vehicles.
• 10119210Jul 7, 2017Electrical system. 12 VOLT BATTERY STORAGE AND MAINTENANCE FOR NEW VEHICLES IN RETAILER INVENTORY This bulletin has been amended throughout. Please discard all previous versions of this bulletin.

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