WenmarOpen by Wenmar Pro

Service bulletins for the 2019 Infiniti Q50

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

122 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
ITB22-038D2025-02-10. Service bulletin. ENGINE. TURBOCHARGER REPLACEMENT PROCEDURE APPLIED ENGINES: VR30DDTT IF YOU CONFIRM One or both turbochargers require replacement. ACTION 1. Replace the affected turbocharger(s). • Refer to the SERVICE PROCEDURE in this bulletin for the updated procedure. IMPORTANT: You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. 2. Refer to step 212 in the SERVICE PROCEDURE to confirm if the ECM needs to be reprogrammed. • 2016-2024 Q50 and 2017-2021 Q60 will require ECM reprogramming at the end of this SERVICE PROCEDURE. 3. If the ECM part number is in Table A (page 61 and 63), reprogram the ECM. IMPORTANT: The purpose of ACTION (above) is to give you a quick idea of the work you will be performing. You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair.
ITB22-038C2023-12-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING. TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB22-038B2023-09-08. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
REV2 R22D1 Q50_Q2023-07-11. Service bulletin. ENGINE AND ENGINE COOLING. ISS Reprogram Voluntary Emission Recall Campaign REVISED June 14, 2023 Please discard earlier versions of this bulletin. The announcement from June 10, 2023 has been revised to include the following: • INFINITI has expanded the investigation of a potential issue with the repair remedy to include model years 2018-2019 Q50 and Q60 vehicles. • Repairs on all vehicles are temporarily suspended while INFINITI investigates the remedy. • As a result, all vehicles affected by this campaign will be temporarily deactivated in Service Comm and National Service History. • An update will be provided at a later date • If there are claim processing concerns, email the FQA mailbox: FQA_Inspection_Support@nissan-usa.com
REV1 R22D1 Q50_Q2023-07-11. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. ISS Reprogram Voluntary Emission Recall Campaign REVISED June 10, 2023 Please discard earlier versions of this bulletin. The announcement from May 5, 2023 has been revised to include the following: • INFINITI is investigating a potential issue with the repair remedy for model years 2016-2017 Q50 and Q60 vehicles. • As a result, these affected vehicles will be temporarily deactivated in Service Comm and National Service History. Repairs on these vehicles are temporarily suspended while INFINITI investigates the remedy. • An update will be provided at a later date • If there are claim processing concerns, email the FQA mailbox: FQA_Inspection_Support@nissan-usa.com
R22D1 Q50_Q60 Da2023-06-08. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING. Daimler ISS Reprogram Voluntary Emission Recall Campaign ***** Campaign Summary ***** INFINITI is conducting a Voluntary Emissions Recall Campaign on certain MY2016-2019 INFINITI Q50 and MY2017-2019 INFINITI Q60 vehicles to reprogram the Engine Control Module (ECM). The ECM reprogram is intended to improve the Idle Stop/Start functionality after 250,000 starter operations. Affected vehicles are subject to stop sale. ***** What Retailers Should Do ***** 1. Verify if vehicles are affected by this Voluntary Recall Campaign using Service Comm or DBS National Service History – Open Campaign I.D. R22D1 • Refer to IPSB15-286 for additional information. 2. Retailers must not sell, lease, trade, rent or loan any vehicles in retailer inventory affected by this recall campaign until after the vehicle has been remedied. 3. Retailers should use ITB23-017 to remedy any vehicles subject to this campaign. 4. Once remedied, retailers should submit the claim using the claims coding provided and release the vehicle.
ITB23-0172023-06-07. Service bulletin. ENGINE AND ENGINE COOLING. VOLUNTARY EMISSIONS RECALL CAMPAIGN 2016-2019 Q50/Q60; ENGINE CONTROL MODULE INTRODUCTION Infiniti is conducting this voluntary emissions recall campaign on certain specific model year 2016-2019 Q50 and 2017-2019 Q60 vehicles. The Engine Control Module (ECM) will be inspected, and if necessary, reprogrammed and configured. This service will be performed at no charge to the client for parts or labor. IDENTIFICATION NUMBER Infiniti has assigned identification number R22D1 to this campaign. This number must appear on all communication and documentation of any nature dealing with this campaign. RETAILER RESPONSIBILITY It is the retailer’s responsibility to check Service COMM or Dealer Business Systems (DBS) National Service History for the campaign status on each vehicle falling within the range of this voluntary emissions recall which for any reason enters the service department. This includes vehicles purchased from private parties or presented by transient (tourist) clients and vehicles in a retailer’s inventory. Federal law requires that new vehicles in retailer inventory which are the subject of an emissions recall must be corrected prior to sale. Failure to do so can result in civil penalties by the National Highway Traffic Safety Administration. While federal law applies only to new vehicles, Infiniti strongly encourages retailers to correct any used vehicles in their inventory before they are retailed.
ITB23-0012023-02-04. Service bulletin. ENGINE AND ENGINE COOLING. MIL ON WITH DTC P0101 AND/OR P010B STORED IN THE ECM SERVICE INFORMATION If the MIL is ON and DTC P0101 (MAF SEN/CIRCUIT-B1) and/or DTC P010B (MAF SEN/CIRCUIT-B2) is stored in the ECM on an APPLIED VEHICLE, follow the information in this bulletin along with the ESM to complete the required repairs.
ITB22-038A2023-01-10. Service bulletin. ENGINE AND ENGINE COOLING. TURBOCHARGER REPLACEMENT PROCEDURE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB22-0382022-12-06. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. TURBOCHARGER REPLACEMENT PROCEDURE SERVICE INFORMATION If either one or both turbochargers require replacement, refer to the SERVICE PROCEDURE in this bulletin for the updated procedure. IMPORTANT: You MUST closely follow the entire SERVICE PROCEDURE as it contains information that is essential to successfully completing this repair. • 2016-2017 Q50 and 2017 Q60 will require an ECM reprogramming at the end of this SERVICE PROCEDURE for Turbocharger Exhaust Gas Temperature Sensor deletion. Refer to ITB17-050.
ITB17-042E2022-03-12. Service bulletin. ENGINE AND ENGINE COOLING. 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.
ITB13-044J2022-03-12. Service bulletin. FUEL SYSTEM, OTHER; ENGINE AND ENGINE COOLING. 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.
ITB14-011F2022-02-10. Service bulletin. ELECTRICAL SYSTEM; ENGINE. REMOTE ENGINE START NOT WORKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-016A2021-09-08. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. COOLANT RESIDUE AT WATER PUMP This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB21-0072021-05-07. Service bulletin. ENGINE AND ENGINE COOLING. MIL ON WITH DTC P062F AND/OR P0603 STORED IF YOU CONFIRM The MIL is ON and DTC P062F (EEPROM) and/or P0603 (ECM BACK UP/CIRCUIT) is stored, And The customer stated the vehicle was recently started after sitting for an extended period of time (i.e., the battery voltage was low while attempting to start the engine). ACTION 1. Test the vehicle’s 12 volt battery using the Midtronics DSS-5000. Recharge or replace the battery if necessary. 2. Erase all DTCs.
ITB17-042D2021-04-13. Service bulletin. ENGINE AND ENGINE 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.
ITB20-002a2020-05-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ENGINE AND ENGINE COOLING. 2016-2019 Q50 AND 2017-2018 Q60; VR30DDTT ENGINE SERVICE INFORMATION This bulletin has been amended. Please see AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB20-0022020-02-08. Service bulletin. ENGINE AND ENGINE COOLING. 2016-2019 Q50 AND 2017-2018 Q60; VR30DDTT ENGINE SERVICE INFORMATION SERVICE INFORMATION The oil fill volume for the VR30DDTT engine has increased by 0.5 quarts (0.5 liters). When replacing a VR30DDTT short block or long block in an applied vehicle for any reason, replace the dipstick with the part listed in PARTS INFORMATION on the next page. The length of the new dipstick is shorter so that it can accurately measure the new oil fill volume. • - If the overall length of the dipstick is approximately 25 inches (63.5 cm), replace the dipstick with the one listed in PARTS INFORMATION on the next page. • - The overall length of the new dipstick is approximately 24 ¼ inches (62 cm). • - The new dipstick reflects an increase in oil fill volume by 0.5 quarts (0.5 liters).
ITB19-027a2020-02-08. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. MIL ON WITH DTC P0087, P0101, P0448, OR P2008, VEHICLES REGISTERED OUTSIDE OF CALIFORNIA This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
P9329_P9344_P9342020-01-09. Service bulletin. ENGINE AND ENGINE COOLING. Engine Control Module (ECM) Reprogram California Voluntary Emission Service Campaign ***** Campaign Summary ***** INFINITI is conducting a Voluntary Emissions Service Campaign on approximately 49,497 specific INFINITI vehicles identified in Service Comm and currently registered to owners in the state of California to reprogram the Engine Control Module (ECM) in the event that a permanent diagnostic trouble code (P-DTC) for P0448, P0101, P2008, or P0087 is recorded in the ECM. Due to calibration errors on the affected vehicles, the ECM may improperly store a permanent diagnostic trouble code (P-DTC) even though the emissions on-board diagnostic system is functioning properly. As of July 1, 2019 the State of California has implemented a revised Inspection Maintenance (I/M) or “Smog Check” test program. Without the software update, the subject vehicles may not pass this Smog Check test in those areas of California where such testing is required under state law. This incident has no effect on the safety, performance, drivability, or fuel consumption of the applicable vehicles. ***** What Retailers Should Do ***** 1. Verify if vehicles are affected by this Voluntary Emissions Service Campaign using Service Comm or DBS National Service History – Open Campaign I.D. • P9329 – Affected Model Year 2015 • P9344 – Affected Model Year 2016 • P9346 – Affected Model Year 2017 • P9348 – Affected Model Year 2018 • P9350 – Affected Model Year 2019 2. Retailers are requested to repair any affected vehicles in retailer new or pre-owned inventory to ensure client satisfaction. • - New vehicles in retailer inventory can also be identified DBS (Sales-> Vehicle Inventory, and filter by Open Campaign). • - Refer to IPSB 15-286 for additional information 3. Retailers should use ITB19-043 to correct any vehicles subject to this campaign.
ITB19-0432020-01-09. Service bulletin. ENGINE AND ENGINE COOLING. VOLUNTARY EMISSIONS SERVICE CAMPAIGN VEHICLES REGISTERED IN CALIFORNIA; ENGINE CONTROL MODULE INTRODUCTION Infiniti is conducting this voluntary emissions service campaign on certain specific model year Infiniti vehicles (see APPLIED VEHICLES) registered in the state of California. The engine control module (ECM) will be inspected, and reprogrammed if it applies. This service will be performed at no charge to the customer for parts or labor. IDENTIFICATION NUMBER Infiniti has assigned identification numbers P9329, P9344, P9346, P9348, and P9350 to this campaign. The correct number must appear on all communication and documentation of any nature dealing with this campaign. RETAILER RESPONSIBILITY Retailers are to repair vehicles falling within range of this campaign that enter the service department. This includes vehicles purchased from private parties, vehicles presented by transient (tourists) owners, and vehicles in a retailer’s inventory.
ITB19-012a2019-12-06. Service bulletin. ENGINE; EQUIPMENT. MIL ON WITH DTC P0448 This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB14-011d2019-10-09. Service bulletin. ENGINE AND ENGINE 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.
ITB19-0282019-10-08. Service bulletin. ENGINE AND ENGINE COOLING. Q50 AND Q60 WITH VR30DDTT (V6) ENGINE; ENGINE OIL DRAIN PLUG SERVICE INFORMATION SERVICE INFORMATION Whenever installing an engine oil drain plug on an APPLIED VEHICLE with a VR30DDTT (V6) engine, NEVER tighten the drain plug greater than its specified torque. Over-tightening may loosen the threaded insert in the oil pan (lower), causing an oil leak. ALWAYS replace the drain plug gasket after removing the drain plug, and then tighten the drain plug to the specified torque. • VR30DDTT (V6) engine oil drain plug torque (with new gasket): • 2WD and AWD: 33.5 N•m (3.4 kg-m, 25 ft-lbs) • Avoid contact with the engine oil as it may be hot and cause burns. • Avoid prolonged or repeated contact with used engine oil as it may cause skin cancer. Try to avoid direct skin contact with used engine oil. If skin contact is made, wash with a suitable hand cleaner or soap as soon as possible.
ITB19-0272019-10-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. MIL ON WITH DTC P0087, P0101, P0448, OR P2008 IF YOU CONFIRM An applied vehicle has one or more DTCs stored, shown in Table A on page 2, AND The ECM part number is shown in Table B, starting on page 3. ACTION 1. First perform the appropriate diagnostic procedure for the stored DTC to repair the vehicle according to the Electronic Service Manual (ESM). 2. Reprogram the ECM after performing the diagnosis and repair. • -The ECM reprogram in this Service Procedure is not a repair for the DTC, but instead updates the way the permanent DTC is stored and allowed to be erased. The DTC must be properly diagnosed and repaired before the reprogram is applied.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.