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Service bulletins for the 2019 Infiniti QX50

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.

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

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By trouble code

Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
ITB16-012D2021-07-10. Service bulletin. ELECTRICAL SYSTEM. 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.
ITB15-026D2021-07-10. Service bulletin. ELECTRICAL SYSTEM. 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.
ITB16-012C2021-05-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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.
ITB13-052C2021-05-08. Service bulletin. ELECTRICAL SYSTEM; 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.
ITB19-024A2021-04-13. Service bulletin. ELECTRICAL SYSTEM. DTC B00A0-00 STORED This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB18-005B2021-04-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. ADAS SYSTEM DTC C1A03, C1A04, AND/OR C1B01 SERVICE INFORMATION This bulletin has been amended. Please see AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB16-006A2021-04-08. Service bulletin. ELECTRICAL SYSTEM. INFINITI; FRONT SONAR PARKING SENSOR SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB12-011P2021-04-08. Service bulletin. EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. TELEMATICS SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-002c2021-03-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 2018-2020 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.
ITB18-041d2021-03-09. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 2019 QX50; AUDIO SYSTEM WILL NOT TURN ON AND/OR SCREENS FREEZE UP AFTER HANGING UP A PHONE CALL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB20-023a2021-03-06. Service bulletin. ELECTRICAL SYSTEM; FORWARD COLLISION AVOIDANCE; EQUIPMENT. LANE CAMERA AIMING VEHICLE REFERENCE VALUES NOT IN ESM This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-009a2021-03-06. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. INTELLIGENT KEY DOES NOT WORK AFTER BATTERY REPLACEMENT This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB19-005a2021-03-06. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. CLOCK, AUDIO, HVAC OR NAVIGATION SETTINGS INTERMITTENTLY CHANGE ON THEIR OWN This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
ITB18-038a2021-02-06. Service bulletin. ELECTRICAL SYSTEM. 2019 QX50; IPDM E/R CONFIGURATION AFTER UNIT REPLACEMENT This bulletin is no longer active. Please discard previous versions of ITB18-038.
ITB20-0272021-01-09. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). PERMANENT DTC SET IN TCM AND WILL NOT ERASE IF YOU CONFIRM One or more of the following DTCs are stored in the permanent DTC screen (Figure 1): P0715, P0716, P0718, P0730, P0791, P0793, P0794, P1722, P1742, P1745, P17F0, P17F1, P2766 And The DTCs will not erase when following the ESM procedure. NOTE: • If DTCs other than those listed above are stored, this bulletin does not apply. ACTION Replace the TCM.
ITB20-0232020-10-08. Service bulletin. ELECTRICAL SYSTEM; LANE DEPARTURE. LANE CAMERA AIMING VEHICLE REFERENCE VALUES NOT IN ESM SERVICE INFORMATION If the lane camera requires aiming, the values in Table A on page 4 must be used. • For all other models, consult the Electronic Service Manual (ESM). The following CONSULT-III plus (C-III plus) figures and steps are only provided to indicate where the VEHICLE REFERENCE VALUE from Table A is to be entered. The entire camera aiming procedure must be followed to complete the aiming procedure. • Refer to the Electronic ESM section: CRUISE CONTROL & DRIVER ASSISTANCE > DRIVER ASSISTANCE SYSTEM > DRIVER ASSISTANCE SYSTEM > BASIC INSPECTION > LANE CAMERA UNIT > CAMERA AIMING ADJUSTMENT. 1. Turn the ignition ON. 2. From the C-III plus home screen, select Diagnosis (One System).
ITB20-0182020-08-08. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM; EQUIPMENT. POWER BACK DOOR WILL NOT OPERATE WITH REQUEST SWITCHES IF YOU CONFIRM On vehicles equipped with a Kick Motion Activated Liftgate, the back door (liftgate) will not open or close when requested to do so using the: • Intelligent Key • Back door request switch, located on the back door • Automatic back door switch, located on the instrument lower panel LH And DTC B2409 is either current or has been stored in the past. ACTION Replace the automatic back door control module. • Refer to the Electronic Service Manual (ESM) section: BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY > DOOR & LOCK > WITH INTELLIGENT KEY SYSTEM > REMOVAL AND INSTALLATION > AUTOMATIC BACK DOOR CONTROL MODULE.
ITB19-0242019-10-08. Service bulletin. SEATS; ELECTRICAL SYSTEM; AIR BAGS. DTC B00A0-00 STORED IF YOU CONFIRM DTC B00A0-00 (OCCUPANT DETECTION SENSOR UNIT) is stored And OCS zero point reset cannot be performed And The following screen will display: ACTION 1. Check the Occupant Classification System (OCS) control unit using the ODS Analysis tool software. • Refer to SERVICE PROCEDURE on the next page. HINT: “OCS” may also be referred to as “ODS”. 2. Perform “75-zero RESET”.
ITB18-041c2019-10-08. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. 2019 QX50; AUDIO SYSTEM WILL NOT TURN ON AND/OR SCREENS FREEZE UP AFTER HANGING UP A PHONE CALL This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
ITB19-0172019-09-10. Service bulletin. ELECTRICAL SYSTEM. 2019 QX50; MIL ON WITH DTC P0087 STORED IF YOU CONFIRM The Malfunction Indicator Light (MIL) is ON with Diagnostic Trouble Code (DTC) P0087 (FRP CONTROL SYSTEM) stored in the Engine Control Module (ECM), AND The fuel level indicates ¼ or less. ACTION Reprogram the ECM and TCM, if applicable.
ITB19-002a2019-08-19. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. 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.
ITB19-0092019-05-20. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. 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 half of the Intelligent Key. If the terminals are found to be bent down, pry them back up so that they will come in contact with the other half of the Intelligent Key?s contacts. - Refer to the photos on the following pages.
ITB18-041b2019-04-15. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. 2019 QX50; AUDIO SYSTEM WILL NOT TURN ON AND/OR SCREENS FREEZE UP AFTER HANGING UP A PHONE CALL This bulletin has been amended. Please see Amendment History on the last page. Please discard previous versions of this bulletin.
ITB18-041a2019-02-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. 2019 QX50; AUDIO SYSTEM WILL NOT TURN ON AND/OR SCREENS FREEZE UP AFTER HANGING UP A PHONE CALL This bulletin has been amended. Please see Amendment History on the last page. Please discard previous versions of this bulletin.
ITB18-0412019-02-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. 2019 QX50; AUDIO SYSTEM WILL NOT TURN ON AND/OR SCREENS FREEZE UP AFTER HANGING UP A PHONE CALL IF YOU CONFIRM There is no audio, and the audio controls do not turn the radio/audio ON. and/or Both screens freeze up after hanging up a phone call. - The phone call was initiated with Voice Recognition while the phone menu was displayed on the upper screen. NOTE: These conditions can be temporarily resolved by pressing and holding down the Volume/Audio ON/OFF button for 5-10 seconds. ACTION 1. Refer to page 4, step 8 in the SERVICE PROCEDURE to confirm an update applies to the Display Control Unit (DCU) of the vehicle being worked on. - Confirmation is determined by comparing the DCU part number with those listed in Table A on page 4. 2. If this bulletin applies, update the DCU software. - See REQUIRED SPECIAL TOOL on page 2. NOTE: The updated software resolves the items above along with improving software stability.

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