2020 Lexus NX300 Technical Service Bulletins

82 technical service bulletins (TSBs) are on record for the 2020 Lexus NX300. 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.

• 10235225Feb 14, 2023Equipment. OBSOLETE NOTICE February 14, 2023: This bulletin is now obsolete. Please see L-SB-0007-23
• 10235224Feb 14, 2023Equipment. TSB: Some 2020 ? 2022 model year vehicles equipped with 17CY+ Panasonic Audio (versions less than 1226) and Navigation (versions less than 1225 or 1245 with 20 Teammate) may exhibit one or more of the following conditions: ?Navigation reset while entering a destination. ?Voice command does not recognize Starbucks. ??Unable to establish audio connection? message, and Alexa is unable to resume after Android AutoTM…
• 10235215Feb 9, 2023Electrical system, Fuel system. TSB: Some 2013 ? 2020 model year Lexus vehicles may exhibit a hard start and/or MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?DTC P0171 and/or P0174 (System Too Lean Bank 1/Bank 2) ?DTC P0087 Fuel Rail / System Pressure ? Too Low Techstream data list analysis may reveal positive fuel trims including a no pressure condition verified by a manual fuel pressure gauge. Follow the…
• 10230363Dec 8, 2022Equipment. OBSOLETE NOTICE December 08, 2022: This bulletin is now obsolete. Please see L-SB-0057-22
• 10230361Dec 7, 2022Equipment. TSB: Some 2018 ? 2022 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update, however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the expiration…
• 10220153May 13, 2022Other or unknown. TT: To improve guest support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center.
• 10214355Apr 13, 2022Equipment. Lexus Safety Recall and Service Campaign - Technician Certification Requirements 4.13.2022
• 10214348Mar 24, 2022Equipment. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns.
• 10210364Mar 3, 2022Electrical system. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns
• 10209023Feb 24, 2022Air bags. TSB: Some 2005 ? 2022 model year Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The purpose of this service bulletin is to provide general guidelines and procedures for odor remediation.
• 10209006Feb 9, 2022Equipment. TSB: Some 2020 ? 2022 model year Lexus vehicles equipped with Pioneer Audio (version 1804) or earlier may exhibit one or more of the following conditions: ?Abnormal Bluetooth® Audio Mode transition. ?Difficult radio tune knob operation when selecting audio source. Some 2020 ? 2021 model year Lexus vehicles equipped with Pioneer Audio (version 1799) or earlier may exhibit one or more of the following conditions…
• 10207962Jan 28, 2022Electrical system. TSB: This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year Electronic Wiring Diagram (EWD) and/or Repair Manual.
• 10207957Jan 20, 2022Electrical system, Equipment. TT: Some guests may experience the inability to activate the Lexus Enform Remote app or the Lexus Enform Remote becoming inoperative when attempting to send commands to the vehicle. To simplify the diagnosis of this system and prevent the unnecessary replacement of parts, please refer to the procedure below.
• 10207953Jan 18, 2022Equipment, Body and structure, Electrical system. TSB: Some 2018 ? 2020 model year Lexus vehicles with audio (version 1065) or earlier, and navigation (version 1065) or earlier may exhibit one or more of the following conditions: ?Apple CarPlay® intermittently inoperative. ?Voice recognition does not start when ?Waiting for the beep? is displayed. ?Audio does not resume after listening to a voicemail. ?Abnormal screen appearance during Apple CarPlay®. ?Voice…
• 10207945Jan 12, 2022Equipment, Tires, Wheels. POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. This information must be kept near the point of vehicle sale and be available to any customer that requests it. Customers can find this information on the Owner?s section of Lexus.com. Dealers can locate a copy of this guide on the Claims Processing & Resource Center in…
• 10206532Dec 21, 2021Equipment. TSB: Some 2018 ? 2020 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update; however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the head unit?s…
• 10203554Oct 15, 2021Equipment. TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by audio suppliers, FTS, and/or FPEs.
• 10202458Sep 10, 2021Electrical system. TSB: Some 2018 ? 2020 model year NX 300/300h and 2019 model year UX 200/250h vehicles equipped with a Continental DCM may exhibit one or more of the following conditions: ?SOS button lights inoperative. ?Bluetooth® microphone and voice command inoperative. ?Right front audio speakers are inoperative. ?Connected services inoperative. ?Remote start inoperative. A replacement telematics transceiver assembly is now…
• 10202453Sep 3, 2021Forward collision avoidance. TT: When used in conjunction with the Repair Manual, these Blind Spot Monitor, Forward Recognition Camera, and Front Millimeter Wave Radar tips leverage SSTs and readily available tools to support target placement in varying shop environments.
• 10202451Sep 3, 2021Equipment. TSB: Some 2020 ? 2021 model year vehicles equipped with 17CY+ Panasonic Navigation (version 1150) or earlier and Audio (version 1163) or earlier may exhibit one or more of the following conditions: ?Poor map screen touch operation. ?Navigation system reset. ?Climate temperature control difficult to operate. ??Waiting for the Beep? message displayed, voice recognition does not start when pressing the push to talk…
• 10202446Sep 1, 2021Equipment. TT: NOTE: This document ONLY applies to 2020 ES & 2020 NX vehicles built before 10/01/2019. (Vehicles built after that date use AT&T WiFi, not Verizon) Head unit telematics services become inoperative after DCM replacement and activation if the guest has an ACTIVE Verizon Wi-Fi pre-paid subscription. Head unit services include Wi-Fi, Destination Assist, Dynamic Navigation, and Dynamic Voice Recognition. Verizon is…
• 10201301Jul 27, 2021Electrical system, Equipment. TSB: Some 2019 ? 2020 model year Lexus vehicles equipped with Pioneer Audio (version earlier than 1102) may exhibit one or more of the following conditions: ?Black CarPlay® Display from Pioneer Audio. ?Low volume from CarPlay® FaceTime audio calls. Some 2019 model year Lexus vehicles equipped with Pioneer Audio (version earlier than 1007) may exhibit one or more of the following conditions: ?Delayed mute operation…
• 10201401Jul 26, 2021Equipment. TSB: Some 2007 ? 2022 model year Lexus vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX® Tip) is available to help minimize future occurrences of this environmental condition. For some models, a new drain hose is required to properly fit the ARINIX® Tip. Follow the procedures in…
• 10201353Jul 6, 2021Transmission and drivetrain. TT: Some 2015-2021 model year vehicles equipped with Dynamic Torque Control AWD system may experience a ?Noise? or ?Abnormal Operation? condition from the rear differential front coupling. In some cases, even an ?AWD System Message? with or without a DTC may be present with or without other conditions present.
• 10198149May 24, 2021Equipment. Pol: updates to the 2014-2021 lexus universal flat rate manual
• 10198133May 13, 2021Equipment. TSB: Some 2018 ? 2020 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update; however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the head unit?s…
• 10190468Mar 31, 2021Air bags. Lexus Safety Recall and Service Campaign - Technician Certification Requirements
• 10190467Mar 30, 2021Brakes, Transmission and drivetrain. TSB: Some 2015 ? 2017 model year NX 200t, 2016 ? 2017 model year GS 200t, IS 200t, and RC 200t, 2018 ? 2019 model year GS 300, and 2018 ? 2020 model year IS 300, NX 300, and RC 300 vehicles equipped with an 8AR-FTS engine may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs): ?Cylinder Misfire ? P030000, P030027, P030085, P030100, P030200, P030300, P030400. ?Air-Fuel Ratio…
• 10190458Mar 16, 2021Back-over prevention (rear camera), Electrical system. TT: Vehicle control apps might not operate as expected at times due to preconditions (normal operating parameters) not being established, vehicle settings and/or network/cellular coverage concerns.
• 10190457Mar 16, 2021Equipment. TT: Some vehicles equipped with Dynamic Navigation may experience a pop-up message notifying them that their map update service will end soon. The date that is shown could be more than one year in the future. This does not indicate any issues with the vehicle and is only informing the user of the expiration date.
• 10190455Mar 16, 2021Wheels, Steering. TT: Some customers may encounter Bluetooth® connectivity concerns such as: ?Difficulty to pair the phone. ?Intermittent Bluetooth® failure to connect to the vehicle when first turning on the vehicle. ?Various Bluetooth® Audio functions are no longer functioning with customer?s phone such as ability to change the track using the steering wheel controls. These concerns can be caused by changes made on the customer?s…
• 10190452Mar 12, 2021Electrical system, Transmission and drivetrain. TSB: Some 2015 ? 2017 NX 200t and 2018 ? 2020 NX 300 model year vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P125D71 (Fuel Flow Control Valve Performance Actuator Stuck) present. The Multi-Information Display (MID) may tell the customer ?reduced engine power ? take vehicle to nearest dealer.? The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been…
• 10185787Dec 11, 2020Equipment. OBSOLETE NOTICE December 11, 2020: This bulletin is now obsolete. Please see L-SB-0043-20.
• 10185778Dec 11, 2020Equipment, Back-over prevention (rear camera), Body and structure. TSB: Some 2018 ? 2020 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update; however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the head unit?s…
• 10185774Dec 10, 2020Brakes. TSB: Some 2020 ? 2021 model year Lexus vehicles equipped with Navigation (version 1060) or earlier and Audio (version 1060) or earlier may exhibit one or more of the following conditions: ?Display screen distortion/pixilation. ?iOS device would not connect until disconnecting and reconnecting USB cable. ?iOS device would not connect until ACC OFF > ON.
• 10184550Nov 13, 2020Equipment. TT: NOTE: This document ONLY applies to 2020 ES & 2020 NX vehicles built before 10/01/2019. (Vehicles built after that date use AT&T WiFi, not Verizon) Head unit telematics services become inoperative after DCM replacement and activation if the guest has an ACTIVE Verizon Wi-Fi pre-paid subscription. Head unit services include Wi-Fi, Destination Assist, Dynamic Navigation, and Dynamic Voice Recognition. Verizon is…
• 10182961Oct 30, 2020Visibility (wipers, defrost, mirrors), Equipment. TT: HVAC drain tube is found to blocked/clogged.
• 10183291Oct 27, 2020Equipment. TT: NOTE: This document ONLY applies to 2020 ES & 2020 NX vehicles built before 10/01/2020. (Vehicles built after that date use AT&T WiFi, not Verizon) Head unit telematics services become inoperative after DCM replacement and activation if the guest has an ACTIVE Verizon Wi-Fi Pre-Paid subscription. Head unit services include Wi-Fi, Destination Assist, Dynamic Navigation, and Dynamic Voice Recognition. Verizon is…
• 10183275Oct 20, 2020Back-over prevention (rear camera). TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to retrieve the data from the system and are only to be used when requested by audio suppliers, FTS, and/or FPEs.
• 10183269Oct 16, 2020Fuel system. TSB: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Lexus vehicles.
• 10182980Oct 9, 2020Equipment. TSB: 2020 model year Lexus vehicles are equipped with driver side floor mat retaining clips to secure the floor mat in the correct position. In addition, some models may also utilize retaining clips for passenger side and rear seat floor mats. During Pre-Delivery Service (PDS), follow the appropriate Installation Procedure to attach the driver side, and if applicable, the passenger side and rear seat floor mats to…
• 10179785Aug 26, 2020Equipment. TSB: Some 2018 ? 2020 model year NX 300/300h and 2019 model year UX 200/250h vehicles equipped with a Continental DCM may exhibit one or more of the following conditions: ?SOS button lights inoperative ?Bluetooth® microphone and voice command inoperative ?Right front audio speakers are inoperative ?Connected services inoperative ?Remote start inoperative A replacement telematics transceiver assembly is now…
• 10179784Aug 26, 2020Electrical system, Fuel system, Other or unknown, Transmission and drivetrain. TSB: Some 2015 ? 2017 NX 200t and 2018 ? 2020 NX 300 model year vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P125D71 (Fuel Flow Control Valve Performance Actuator Stuck) present. Some vehicles may also enter ?limp mode? and the Multi-Information Display (MID) will tell the customer ?reduced engine power ? take vehicle to nearest dealer.?
• 10179741Aug 26, 2020Equipment, Engine. TSB: Some 2018 ? 2020 model year NX 300/300h and 2019 model year UX 200/250h vehicles equipped with a Continental DCM may exhibit one or more of the following conditions: ?SOS button lights inoperative ?Bluetooth® microphone and voice command inoperative ?Right front audio speakers are inoperative ?Connected services inoperative ?Remote start inoperative A replacement telematics transceiver assembly is now…
• 10179740Aug 26, 2020Electrical system, Transmission and drivetrain, Fuel system, Other or unknown…. TSB: Some 2015 ? 2017 NX 200t and 2018 ? 2020 NX 300 model year vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code (DTC) P125D71 (Fuel Flow Control Valve Performance Actuator Stuck) present. Some vehicles may also enter ?limp mode? and the Multi-Information Display (MID) will tell the customer ?reduced engine power ? take vehicle to nearest dealer.?
• 10179725Aug 13, 2020Equipment, Electrical system. TSB: Some 2018 ? 2020 model year Lexus vehicles with Panasonic navigation (version 1050) or earlier may exhibit one or more of the following conditions: ?The analog clock shows one hour ahead, then immediately adjusts back one hour after ACC ON. ?No Sound and Reset when playing Spotify via Bluetooth Audio. Some 2018 ?
• 10179766Aug 12, 2020Equipment, Electrical system. TSB: Some 2018 ? 2020 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update; however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the head unit?s…
• 10179722Aug 12, 2020Equipment, Electrical system. TSB: Some 2018 ? 2020 model year Lexus vehicles equipped with the Enform? 2.0 Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used with applicable vehicles to deliver the update; however, the process for generating license keys differs from previous generations. Before attempting to perform a map update, the head unit?s…
• 10179697Aug 5, 2020Transmission and drivetrain. TSB: Vehicles may display evidence of a fluid leak or fluid seep from powertrain components. This bulletin explains how to determine the differences between a fluid leak versus a fluid seep. Cases that are determined to be a ?leak? should be repaired accordingly and will be covered under warranty if applicable. Cases that are determined to be a ?seep? should be documented on the repair order and inspected at the…
• 10179694Aug 5, 2020Equipment. TT: HVAC drain tube is found to blocked/clogged.

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