2014 Infiniti Q50 Technical Service Bulletins

247 technical service bulletins (TSBs) are on record for the 2014 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.

• 10192659Oct 26, 2015Suspension, Back-over prevention (rear camera). Infiniti is conducting a Voluntary Service Campaign on certain MY 2014-15 Q50 vehicles equipped with Direct Adaptive SteeringTM (DAS) system to update the DAS software to the latest production standards
• 10192654Oct 14, 2015Back-over prevention (rear camera). Infiniti is conducting a Voluntary Service Campaign on certain MY 2014-15 Q50 vehicles equipped with Direct Adaptive SteeringTM (DAS) system to update the DAS software to the latest production standards
• 10192652Oct 14, 2015Equipment. Beginning October 14th, 2015 Infiniti USA will be asking retailers to provide additional client satisfaction activities on specific vehicles identified through Service Comm as PC405 ?Q50 Client Appreciation?.
• 10192647Sep 24, 2015Equipment, Electrical system. IF YOU CONFIRM The customer states HomeLink will not operate or has improper operation. ACTIONS 1. To significantly reduce unnecessary repairs, make sure: a. The vehicle is not in "Transit Mode" (if equipped). - Not in Transit Mode: With the turn signal switch is in the OFF (center) position, turn the ignition from OFF to ON. If the turn signal indicators stay OFF (do not illuminate), the vehicle is not in Transit…
• 10192640Sep 15, 2015Transmission and drivetrain, Electrical system. SERVICE INFORMATION If the glove box is removed for any reason (for example, installing an accessory kick plate, replacing an in-cabin microfilter, etc.), verify the trunk release power cancel switch operates normally after installing the glove box. See this bulletin for further detail.
• 10192639Sep 15, 2015Back-over prevention (rear camera), Wheels, Brakes, Lane departure. SERVICE INFORMATION This bulletin has compiled Tire Pressure Monitor System (TPMS) and Low Tire Pressure Warning System (LTPWS) information for: - Basic diagnosing of TPMS/LTPWS systems - Radio frequency interference causing a "No Data" (C1708, C1709, C1710, C1711) condition - Sensor leaks - Moving TPMS/LTPWS wheel assemblies from one vehicle to another and TPMS/LTPWS sensor registration - Air pressure changes with…
• 10192630Aug 20, 2015Equipment, Transmission and drivetrain, Engine cooling. SERVICE INFORMATION For QX60 Hybrid Vehicles, go to page 4. Q50, Q70, and M35 Hybrid Vehicles The internal combustion (IC) engine in the Q50, Q70, and M35 Hybrid vehicles is started using a high voltage motor that is integrated into the transmission. The high voltage motor gets its power from the high voltage Lithium-Ion (Li-ion) battery that is mounted between the trunk room and the rear seat.
• 10192616Aug 6, 2015Transmission and drivetrain. SERVICE INFORMATION The information in this bulletin is provided to help ensure correct diagnosis and repair of fluid leaks. All fluid leaks, when properly diagnosed, should be repaired (whether under warranty or customer pay) to ensure proper vehicle operation. However, certain normal operating conditions can be misdiagnosed as a leak requiring repair.
• 10192611Jul 29, 2015Forward collision avoidance, Transmission and drivetrain. IF YOU CONFIRM All of the following: The FCW (Forward Collision Warning) malfunction is ON or reported to have been ON, and DTC C1A27 (ECD POWER SUPPLY CIRCUIT) is stored (Past or Current), and the brake fluid level is normal. NOTE: C1A27 is an ICC (Intelligent Cruise Control) DTC. ACTION Reprogram the ABS control unit (ABS) per the Service Procedure in this bulletin.
• 10056785Jul 29, 2015Vehicle speed control. Infiniti: on some vehicles, the forward collision warning (fcw) malfunction has been or is on and fluid level for brakes is normal and the abs control unit needs programming, per service procedure. Model 2013-14 jx35, qx60, 2014-15 q50. *pe updated 9/10/15.
• 10192609Jul 22, 2015Engine cooling, Equipment. IF YOU CONFIRM: The MIL is ON with DTC P0101 and/or P010B (MAF SEN/CIRCUIT-B1/B2) and there are no drivability issues. ACTION: 1. Refer to step 6 in the SERVICE PROCEDURE to confirm this bulletin applies to the vehicle you are working on. 2. If this bulletin applies, reprogram the ECM. NOTE: If this bulletin does apply (the ECM needs to be reprogrammed), do NOT replace the mass air flow sensor(s). See this bulletin…
• 10192603Jul 8, 2015Wheels, Back-over prevention (rear camera), Air bags, Steering. IF YOU CONFIRM The steering wheel makes a faint squeaking/ticking noise when turned left or right. NOTE: Due to the faint nature of this noise it may be necessary to lift front wheels off of the ground so that it can be isolated. ACTION Remove driver?s side airbag and apply felt tape with the SERVICE PROCEDURE starting on page 2. See this bulletin for further detail.
• 10192601Jul 7, 2015Visibility (wipers, defrost, mirrors), Air bags, Steering. SERVICE INFORMATION The Applied Vehicles are equipped with a new version of Intelligent Key presets memory. Each Intelligent Key can be programmed to have its own unique set of presets for certain vehicle systems.
• 10192598Jul 6, 2015Equipment, Steering, Brakes, Back-over prevention (rear camera), Wheels. SERVICE INFORMATION When servicing run flat tires or low profile tires: - Special equipment and procedures are required to avoid damage. - Specifically, Tire Pressure Monitor transmitters (TPMS sensors) can be damaged when improperly dismounting and mounting tires. - TPMS sensors becoming damaged during mounting or dismounting tires are not covered under warranty.
• 10192573May 7, 2015Wheels. SERVICE INFORMATION The appearance of painted alloy wheels can be damaged if acidic cleaners are used. DO NOT use Chrome Wheel Cleaner on Painted Wheels. Many chrome wheel cleaners have acidic ingredients. Make sure to follow all instruction in the Appearance and Care Section of the Owner?s Manual. Damage to wheel appearance due to the use of inappropriate chemicals or cleaning products is not covered under…
• 10192560Apr 20, 2015Lane departure. SERVICE INFORMATION If you confirm there is a need to replace the combination meter front cover (lens) on an Applied Vehicle for any reason (scratch, blemish, etc.): - Do not replace the entire combination meter assemby. The front cover of the combination meter assembly is available as a separate service part. - Refer to the Electronic Service Manual, section MWI-Meter, Warning Lamp & Indicator, for replacement…
• 10192545Mar 16, 2015Wheels. SERVICE INFORMATION For vehicles delivered to the dealers with wheel protector covers - Do not remove the wheel protector covers during Pre-Delivery Inspection (PDI) - Wheel protector covers help prevent cosmetic rotor corrosion. See this bulletin for further detail.
• 10192533Mar 11, 2015Equipment. SERVICE INFORMATION NOTE - Failure to follow the procedures in this bulletin may result in the denial of a warranty claim. In an effort to protect the paint finish, Paint Guard Film (PGF) is applied on many new Infiniti vehicles. Paint Guard Film is a temporary white plastic protective film that is applied by the factory to the horizontal painted surfaces of the vehicle.
• 10192528Feb 19, 2015Visibility (wipers, defrost, mirrors), Electrical system. IF YOU CONFIRM A strong sulfur like odor is coming from the Moonroof drain hoses after a hot soak (after sitting with doors and windows closed). - Odor is most noticeable if the Moonroof shade is left closed while the vehicle sits in the direct sunlight and then after a hot soak the Moonroof shade is opened. NOTE - The Moonroof drain hoses MUST be the cause of the strong sulfur like odor for this bulletin to apply.
• 10192523Feb 2, 2015Vehicle speed control, Transmission and drivetrain. IF YOU CONFIRM A power window auto-up does not work for one or more power windows. ACTION Replace the left front (driver) door finisher with the new one listed in the Parts Information. While replacing the door finisher, also replace the main power window switch. See this bulletin for further detail.
• 10192515Jan 20, 2015Engine cooling. IF YOU CONFIRM: The MIL is ON after the engine has been idling a while and one or both of the following DTCs are found stored in the ECM: - P0171 (FUEL SYS-LEAN-B1) - P0174 (FUEL SYS-LEAN-B2) ACTION: 1. Confirm this bulletin applies. - Compare the vehicle?s current ECM part number to those listed in Table A (see page 5). 2. If the ECM part number does not match one listed in Table A, this bulletin does not apply…
• 10192514Jan 16, 2015Equipment, Air bags, Back-over prevention (rear camera). SERVICE INFORMATION Changes or modifications to the front seat assembly trim materials may affect the proper operation of the Front Seat-Mounted Side-Impact Supplemental Air Bags and Passenger Occupant Classification Sensor and could result in serious personal injury or death. Infiniti STRONGLY RECOMMENDS AGAINST making any change to seat trim materials from the factory equipped condition.
• 10192511Jan 15, 2015Equipment. SERVICE INFORMATION DTC B2190 (NATS ANTENNA AMP) can be stored for the following reasons: 1. Something other than an Intelligent Key is inserted into the Key-Slot. 2. An Intelligent Key issue. 3. A wiring issue between the Key-Slot and the BCM. 4. A Key-Slot issue. If DTC B2190 is stored due to 1 or 2 above, it will not erase, or go to "PAST", until a known good registered Intelligent Key is inserted into the…
• 10192505Jan 5, 2015Equipment. SERVICE INFORMATION Two methods are used to update/upgrade Navigation Map Data: 1. The customer goes to www.infinitinavigation.com and is mailed update disc(s) or SD card and installs data, OR 2. The dealership is mailed update disc(s) and the customer must visit the dealership to have data installed. Use the matrix in this bulletin to determine which method is utilized for each Applied Vehicle. See this bulletin…
• 10192504Jan 5, 2015Suspension. SERVICE INFORMATION If a customer would like to activate a subscription for any of the following services: - SiriusXM Satellite Radio, NavTraffic, NavWeather or Travel Link OR If a radio is replaced for any reason, and a customer has an active subscription to any of the above services, OR If a customer claims to have an active subscription to any of the above services, AND any portion of the subscribed service is…
• 10192503Jan 2, 2015Back-over prevention (rear camera). SERVICE INFORMATION In an Applied Vehicle, maintenance reminders (when set) are displayed in the following two locations: - Meter (Information Display) - APPS Screen (Maintenance Note App) Maintenance reminders set in the meter settings will display on the Information Display. Maintenance reminders set in the Maintenance Note App will display on the APPS screen. See this bulletin for more detail.
• 10192502Jan 2, 2015Equipment. SERVICE INFORMATION MULTI A/V Configuration using CONSULT-III plus (C-III plus) There are many configurations of the Infiniti InTouch system. Typically, if the MULTI A/V is not configured properly on a navi equipped vehicle, you will see a clock with no hands on the upper display. If in a situation where the MULTI A/V needs to be manually configured. Please see this bulletin for further details.
• 10192492Dec 15, 2014Other or unknown. SERVICE INFORMATION If one or both Intelligent Keys cannot be located prior to customer delivery of an Applied Vehicle, refer to the applicable section of this bulletin for Intelligent Key registration instructions. - One (1) Intelligent Key Is Lost ----- Page 2 - Two (2) Intelligent Keys Are Lost ----- Page 3 See this bulletin for further detail.
• 10057130Dec 6, 2014Electrical system. Infiniti: 2014 q50(v37) : owners are offered to have the audio system software upgraded. Infiniti dealers are performing this upgrade at no cost.
• 10056391Dec 6, 2014Electrical system. Infiniti: see document search button for owner letter. On some vehicles, a product update, for in touch audio system software, is being offered and is designed to improve functionality of in touch system. Model 2014 q50. *pe update 12/12/14. *pe updated 3/31/15.
• 10192489Dec 5, 2014Equipment. Infiniti is offering owners of the 2014 Q50 the opportunity to have their vehicle?s InTouch Audio system software upgraded with a production change that has been incorporated in the Q50 manufactured after their vehicle was produced.
• 10192488Dec 5, 2014Equipment. SERVICE INFORMATION As part of Infiniti?s commitment to continually improve both the quality and durability of our products, Infiniti is offering owners of the 2014 Q50 the opportunity to have their vehicle?s InTouch Audio system software upgraded with a production change that has been incorporated in the Q50 manufactured after their vehicle was produced.
• 10192484Dec 1, 2014Electrical system. SERVICE INFORMATION After replacement of a CAN Gateway Module, the new module must be configured with the correct part number to complete the repair. Use the part number listed in this bulletin for all trim levels of the Applied Vehicles. See this bulletin for further details.
• 10192479Nov 25, 2014Engine, Electrical system. SERVICE INFORMATION Starting with 2010 Model Year, Infiniti vehicles have been gradually incorporating a new type of DTC known as Permanent DTC or P-DTC. If a vehicle is equipped with P-DTCs, all emission related DTCs will also set a P-DTC if the MIL is turned ON. A listing of which DTCs that will also set a P-DTC is found in the DTC Index in the EC-Engine Control section of the Electronic Service Manual (ESM).
• 10192475Nov 20, 2014Transmission and drivetrain, Electrical system. SERVICE INFORMATION If a customer describes lack of power or poor acceleration, perform the following checks before attempting any repair: * Check for stored DTCs. * Check if the driver is resting their left foot on the brake pedal while accelerating. Advise the customer not to rest their foot on the brake while accelerating. * Use CONSULT-III plus in Engine Data Monitor to check operation of the brake lamp circuit…
• 10192467Nov 11, 2014Latches, locks and linkages. IF YOU COFIRM The driver and front passenger doors will not unlock using the one-touch door unlock sensor, and the Touch Sensitive Door Sensor feature is set to ON. ACTION 1. Use Signal Tech-II to check/test signals from the BCM and the Intelligent Key. 2. Replace the Intelligent Key or BCM based on the test result. See this bulletin for further detail.
• 10192454Oct 9, 2014Steering, Body and structure, Equipment. IF YOU CONFIRM One or both steering wheel switch chrome finishers on an Applied Vehicle has come off. ACTION Follow the procedure in this bulletin to install the new steering wheel switch chrome finisher(s) listed in the Parts Information section. NOTE - Do not replace the steering wheel assembly for this incident, if it should occur. See this bulletin for further detail.
• 10192450Sep 26, 2014Electrical system. Infiniti is offering owners of the 2014 Q50 the opportunity to have their vehicle?s InTouch Audio system software upgraded with a production change that has been incorporated in the Q50 manufactured after their vehicle was produced.
• 10192449Sep 26, 2014Electrical system. Infiniti is conducting a Voluntary Service Campaign on 2014 Q50 and Q50 Hybrid vehicles to install a Fuse Box B+ Terminal Cover.
• 10192448Sep 25, 2014Electrical system. Infiniti is conducting a Voluntary Service Campaign on 2014 Q50 and Q50 Hybrid vehicles to install a Fuse Box B+ Terminal Cover.
• 10192447Sep 25, 2014Electrical system, Equipment. Infiniti is offering owners of the 2014 Q50 the opportunity to have their vehicle?s InTouch Audio system software upgraded with a production change that has been incorporated in the Q50 manufactured after their vehicle was produced.
• 10192446Sep 24, 2014Electrical system. INTRODUCTION Infiniti is conducting a Voluntary Service Campaign on 2014 Q50 and Q50 Hybrid vehicles to install a Fuse Box B+ Terminal Cover. This service will be performed at no charge for parts or labor. IDENTIFICATION NUMBER Infiniti has assigned identification number P4249 to this campaign. This number must appear on all communications and documentation of any nature dealing with this campaign.
• 10056479Sep 24, 2014Electrical system. Infiniti: see document search button for owner letter. A fuse box b+ terminal cover is being install on certain hybrid vehicles. Model 2014 q50, q50 hybrid.
• 10192443Sep 17, 2014Steering. SERVICE INFORMATION When performing Direct Adaptive Steering (DAST) Calibration (Mode 1): Always use an alignment rack with the front wheels positioned on the turntables and the pins removed. The front wheels must be allowed to move freely. DO NOT perform DAST Calibration (MODE 1) with the front wheels in any other position then listed above. To prevent damaging the spiral cable during DAST Calibration (MODE 1)…
• 10192433Sep 3, 2014Brakes. IF YOU CONFIRM: The rear brakes squeak when braking while the brakes are at normal operating temperature AND the applied vehicle is equipped with single piston rear brake calipers. ACTION: Replace the hardware on both rear brake calipers with the kit listed in PARTS INFORMATION in this bulletin. NOTE: Machining of the rotors is not necessary. Refer to the Electronic Service Manual (ESM), section BR-Brake System…
• 10056179Aug 29, 2014Equipment. Infiniti: information regarding two stain gauge occupant classification system (ocs) sensors and operation explanation of different response to occupant seating posture. Model 2013-2014 jx, qx60, qx50.
• 10192416Aug 6, 2014Electrical system, Equipment. SERVICE INFORMATION When replacing a BCM for any reason and the original BCM?s configuration cannot be accessed with CONSULT-III plus (C-III plus), the new BCM must be manually configured. Configuration settings are not "spelled out" in C-III plus. For example, under Intelligent Key Type the designation "0" is used in place of "without I-KEY". Currently, the Electronic Service Manual (ESM) does not have a…
• 10192399Jul 2, 2014Equipment, Transmission and drivetrain. IF YOU CONFIRM Using chassis ear, a rattle noise coming from the rear propeller shaft center bearing under the following conditions - Light to moderate acceleration, and between 2,000 and 2,800 rpm. ACTION Replace the rear propeller shaft with the new one (new style) listed in the Parts Information of this bulletin. See this bulletin for further detail.
• 10192396Jun 24, 2014Equipment, Electrical system. SERVICE INFORMATION Related to communication codes U1000, U1001, U1002, U1010: - Always diagnose the communication codes first. - When a module reports a U1000 code, it is typically operating normally; however, there is a communication error external to that module on the CAN network. - U1000 indicates an error. V-CAN diagram or CAN Diag Support Monitor provides data to determine the location of the error. See this…
• 10192392Jun 19, 2014Electrical system, Brakes. IF YOU CONFIRM When initially applying the brakes: * The brakes are too sensitive and may unexpectedly grab with a lower than normal pedal pressure. AND * Only occurs at ambient temperatures below 40°F (4°C). NOTE: This Service Procedure will not change or affect any braking sensitivity above 40°F (4°C). ACTION 1. Bleed the brake hydraulic system. 2. Reprogram the Brake Controller. 3. Erase all DTCs present. Please…

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