2018 Infiniti Q50 Technical Service Bulletins

159 technical service bulletins (TSBs) are on record for the 2018 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.

• 10165747Sep 6, 2019Electrical system, Equipment. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
• 10164637Aug 13, 2019Engine cooling. REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10164641Aug 8, 2019Electrical system. 2018 Q50; TPMS LIGHT ON WITH DTC STORED IF YOU CONFIRM The Tire Pressure Monitor System (TPMS) light is ON with one or more of the following DTCs stored: C1708 – [NO DATA] FL C1709 – [NO DATA] FR C1710 – [NO DATA] RR C1711 – [NO DATA] RL ACTION 1. Verify that the TPMS sensor associated with the stored DTC(s) is transmitting a signal with the Signal Tech II. 2.
• 10163939Jul 26, 2019Electrical system. 2018-2019 INFINITI; DISPLAY CONTROL UNIT SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 10162969Jun 24, 2019Equipment. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 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.
• 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…
• 10158421Mar 19, 2019Electrical system, Equipment. SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. Please see Amendment History on the last page. Please discard previous versions of this bulletin.
• 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…
• 10155153Feb 28, 2019Electrical system. MIL ON WITH DTC P0101, P010B, AND/OR P0106 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
• 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…
• 10153546Dec 19, 2018Electrical system, Equipment. INFINITI; SOFTWARE UPDATES FOR INFOTAINMENT ISSUES This bulletin has been amended. Please see Amendment History on the last page. Please discard previous versions of this bulletin.
• 10153545Dec 2, 2018Electrical system, Equipment. INFINITI; SOFTWARE UPDATES FOR INFOTAINMENT ISSUES IF YOU CONFIRM Any one or a combination of the following on an applied vehicle: - Reverse camera is blank (vehicles manufactured before May 1, 2018) - Reverse camera remains ON when in Drive (vehicles manufactured before May 1, 2018) - Average fuel economy displays 99.9 MPG - Display screen flickers at higher ambient interior temperatures - SXM Info Apps (Weather…
• 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…
• 10145541Sep 28, 2018Equipment. DBS Enhancement: Retailed Vehicle Open Campaign Report INFINITI announced the availability of a new DBS enhancement tool to the Service > Campaign screen: Retailed Vehicle Open Campaign Report on July 9, 2018, which identifies owner contact information for specific campaigns. Currently, only Takata campaign owner lists are available.
• 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…
• 10144495Aug 15, 2018Fuel system. ALL MODEL YEAR 2012 AND NEWER INFINITI VEHICLES; EVAP LEAK DTC P0442, P0455, P0456 INFORMATION This bulletin has been amended. The publication date has been revised to include the latest models and model years, and the Service Procedure has been updated. Please discard previous versions of this bulletin.
• 10143810Jul 12, 2018Fuel system. CAMPAIGN BULLETIN Fuel Hose Voluntary Service Campaign This bulletin applies only to vehicles equipped with a M274 2.0L engine. ***** Retailer Announcement ***** INFINITI is conducting a Voluntary Service Campaign to replace the low-pressure fuel hose on 15,617 specific MY2016-18 INFINITI Q50 (V37) and MY2017-18 INFINITI Q60 (CV37) vehicles equipped with M274 2.0L engines. The low-pressure fuel hose connected to…
• 10143818Jul 10, 2018Engine cooling. VOLUNTARY SERVICE CAMPAIGN Q50 AND Q60 WITH 2.0L ENGINE; LOW PRESSURE FUEL LINE This bulletin applies only to vehicles equipped with a 2.0L Turbo Gasoline Engine. INTRODUCTION Infiniti is conducting this voluntary service campaign on certain specific model year 2016-2018 Q50 and 2017-2018 Q60 vehicles equipped with the 2.0L turbo gasoline engine to replace the low pressure fuel line. This service will be performed…
• 10144486Jun 29, 2018Equipment. 2018 Q50, Q50 HYBRID, AND Q60; POI DOES NOT DISPLAY AFTER VOICE MENU CALL IF YOU CONFIRM Using the Infiniti InTouch Services Voice Menu, Destination Assistance does not download Point Of Interest (POI) successfully. NOTE: The lower screen will then display the error message in Figure 1. ACTION Manually configure MULTI AV using CONSULT-III plus (C-III plus).
• 10141448May 30, 2018Electrical system, Steering. DAST CALIBRATION (MODE1) INCOMPLETE OR C13E9-00/C13EB-00 UNABLE TO ERASE This bulletin applies only to vehicles equipped with Direct Adaptive Steering (DAST). SERVICE INFORMATION This bulletin has information for two services for which a technician may need additional help: - While performing DAST CALIBRATION (MODE1), the calibration may stop or will not start. - DTC C13E9-00 (BOOTING ANGLE PROCESSING) and C13EB-00…
• 10138254Apr 20, 2018Suspension, Wheels. REVISED WHEEL ALIGNMENT SPECIFICATIONS This bulletin has been amended. The APPLIED VEHICLES were updated with new models and model years. No other changes have been made. Discard previous versions of this bulletin.
• 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.
• 10136211Mar 26, 2018Electrical system. INFINITI; SERVICE INFORMATION FOR DTCS B2EF0 AND B130C This bulletin applies only to vehicles equipped with Telematics. This bulletin has been amended to correct a DTC listed in the SERVICE INFORMATION. No other changes have been made. Discard all previous versions of this bulletin.
• 10136209Mar 26, 2018Brakes, Vehicle speed control. ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. The Applied Vehicles section has been revised. No other changes have been made. Please discard previous versions of this bulletin.
• 10136202Mar 26, 2018Engine, Equipment. INTELLIGENT KEY NOT DETECTED / ENGINE WILL NOT START This bulletin has been amended to update the Applied Vehicles. No other changes were made. Please discard previous versions of this bulletin.
• 10136642Mar 23, 2018Wheels, Electronic stability control. WHEEL BALANCING SERVICE INFORMATION 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.
• 10136638Mar 19, 2018Exterior lighting. HEADLAMP FOGGING This bulletin has been amended. The APPLIED VEHICLES section has been revised. No other changes have been made. Please discard previous versions of this bulletin.
• 10136647Mar 7, 2018Electrical system. TELEMATICS SERVICE INFORMATION This bulletin has been amended. Changes have been made throughout. It is necessary to read the revised procedure(s) in entirety to properly perform the action(s). 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.
• 10130487Feb 27, 2018Equipment. INFINITI; SERVICE INFORMATION FOR DTCS B2EF0 AND B130C This bulletin applies only to vehicles equipped with Telematics. SERVICE INFORMATION Diagnostic information in the Electronic Service Manuals (ESM) for the following DTCs may be missing or incorrect: -B2EF0 ? INTERNAL BATTERY (CIRC VOLT BELOW THRESHOLD) -B130C ?
• 10130479Feb 22, 2018Equipment. DISPLAY CONTROL UNIT REPLACEMENT This bulletin has been amended. The Applied Vehicles section has been revised. No other changes have been made. Please discard previous versions of this bulletin.
• 10130481Feb 1, 2018Equipment. ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION SERVICE INFORMATION If the following ICC/ADAS codes are stored, make sure to follow the diagnostic procedures in the Electronic Service Manual (ESM) before replacing any parts. C1A03 ? VEHICLE SPEED SENSOR -The diagnostic procedure in the ESM includes check and, if needed, repair for ABS DTCs before replacing ADAS components.
• 10129111Jan 23, 2018Equipment. REDUCED VEHICLE LOAD CAPACITY LABEL (REGULATORY REQUIREMENT) This bulletin applies to vehicles equipped with dealer installed or VPC installed accessories.
• 10129108Jan 4, 2018Equipment, Electrical system. TELEMATICS SERVICE INFORMATION This bulletin has been amended. A correction was made to the Service Procedure on page 15. No other changes were made. Please discard previous versions of this bulletin.
• 10127460Dec 5, 2017Electrical system. INTRODUCTION Infiniti is conducting this voluntary emission recall campaign on certain specific model year 2016-2018 Q50 and 2017 Q60 vehicles. The Engine Control Module (ECM) will be reprogrammed so that in the event of an automatic transmission diagnostic issue, the diagnosis signals will be communicated properly and a Malfunction Indicator Light (MIL) will be properly illuminated to notify the driver. This…
• 10127441Dec 5, 2017Electrical system, Equipment. DISPLAY CONTROL UNIT REPLACEMENT This bulletin has been amended. The Applied Vehicles section and Part 1 of the Service Procedure have been revised. No other changes have been made. Please discard previous versions of this bulletin.
• 10127465Nov 29, 2017Visibility (wipers, defrost, mirrors). WINDOW GLASS WARRANTY INFORMATION This bulletin has been amended to apply to the latest models and model years, and warranty information on page 2 has been updated. No other changes have been made. Please discard previous versions of this bulletin.

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