2018 Lexus LC500 Technical Service Bulletins

118 technical service bulletins (TSBs) are on record for the 2018 Lexus LC500. 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.

• 10235219Feb 9, 2023Fuel system. DL: On December 20, 2022, a settlement of claims for certain low pressure fuel pumps was approved by the federal court. The settlement includes Lexus?s agreement to provide a Customer Support Program for certain 2013-2020 model year (MY) vehicles originally equipped with low pressure fuel pumps repaired under Safety Recall 20LA01 or Special Service Campaign 21LC01.
• 10235215Feb 9, 2023Fuel system, Electrical 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…
• 10224113Jun 21, 2022Brakes. TSB: All 2018 ? 2022 model year LC 500 and LC 500h, and 2022 model year LC 500 Convertible vehicles are equipped with high-friction brake pads specifically designed for superior braking performance and response. As a result, the front or rear brakes may exhibit a squeal/squeak noise. For customers who find these characteristics objectionable, brake pads with alternative material are now available as service parts.
• 10220188Jun 21, 2022Brakes. TSB: All 2018 ? 2022 model year LC 500 and LC 500h, and 2022 model year LC 500 Convertible vehicles are equipped with high-friction brake pads specifically designed for superior braking performance and response. As a result, the front or rear brakes may exhibit a squeal/squeak noise. For customers who find these characteristics objectionable, brake pads with alternative material are now available as service parts.
• 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
• 10211788Apr 4, 2022Visibility (wipers, defrost, mirrors). TSB: Some 2018 ? 2020 model year LC 500 and LC 500h vehicles may exhibit one of the following HVAC conditions: ?Uneven temperature or air flow between the vents. ?Little or no air flow from the vent(s). ?Improper MODE control function. Additionally, some vehicles may store one or more of the following HVAC servo Diagnostic Trouble Codes (DTCs): ?B144A ? Air Outlet DEF Damper Control Servo Motor Circuit ?B1441 ? Air…
• 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.
• 10209014Feb 22, 2022Engine cooling. TSB: Some 2018 ? 2021 model year LC 500 and LC 500h vehicles may exhibit a squawk/knock noise from the engine compartment when depressing and/or releasing the brake pedal while stationary or driving
• 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.
• 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, 2022Wheels, Tires, Equipment. 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.
• 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…
• 10201403Jul 26, 2021Equipment. OBSOLETE NOTICE July 26, 2021: This bulletin is now obsolete. Please see L-SB-0024-21.
• 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…
• 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
• 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, 2021Steering, Wheels. 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…
• 10188908Feb 25, 2021Engine cooling. TSB: Some 2018-2021 model year LC 500 and LC 500h vehicles may exhibit a squawk/knock noise from the engine compartment when depressing and/or releasing the brake pedal while stationary or driving. Follow the Repair Procedure in this bulletin to address this condition.
• 10188930Feb 22, 2021Brakes. TSB: All 2018 ? 2021 model year LC 500 and LC 500h vehicles are equipped with high-friction brake pads, specifically designed for superior braking performance and response. As a result, the front or rear brakes may exhibit a squeal/squeak noise. For customers who find these characteristics objectionable, brake pads with alternative material are now available as service parts.
• 10188920Feb 11, 2021Vehicle speed control. TSB: Some 2018 ? 2021 model year LC 500, LC 500h, LS 500, and LS 500h vehicles; and some 2021 model year LC 500c vehicles may exhibit a ?spring? noise upon release of the accelerator pedal. Follow the Repair Procedure in this bulletin to address this condition.
• 10185778Dec 11, 2020Back-over prevention (rear camera), Body and structure, Equipment. 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…
• 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, 2020Equipment, Visibility (wipers, defrost, mirrors). 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.
• 10179771Aug 13, 2020Equipment, Electrical system. TT: Panasonic exchange Multimedia Extension Unit (MEU) and Display Control Unit (DCU) parts are shipped with Apple CarPlay software already installed. If the updated MEU (Navigation) or DCU (Radio) exchange part is installed on a vehicle that has never been updated, a software mismatch can occur, and an error message may be displayed.
• 10179727Aug 13, 2020Equipment, Electrical system. TT: Panasonic exchange Multimedia Extension Unit (MEU) and Display Control Unit (DCU) parts are shipped with Apple CarPlay software already installed. If the updated MEU (Navigation) or DCU (Radio) exchange part is installed on a vehicle that has never been updated, a software mismatch can occur, and an error message may be displayed.
• 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, 2020Electrical system, Equipment. 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.
• 10179601Aug 5, 2020Transmission and drivetrain, Engine. 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…
• 10179598Aug 5, 2020Equipment. TT: HVAC drain tube is found to blocked/clogged.
• 10178788Jul 20, 2020Electrical system, Engine. TT: The new DCA-8000 Diagnostic Charger may cause your facility?s Ground Fault Circuit Interrupter (GFCI) breaker to trip. A GFCI breaker can be tripped for various reasons, one of the reasons may be related to the DCA-8000. We are investigating this issue to determine the root cause. Other reasons the GFCI breaker may trip ?Circuit demand is too high for GFCI rating ?Worn out GFCI internal contacts ?Improper…
• 10177780Jun 23, 2020Wheels. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. ST004-01, SU001-08, and L-SB-0174-08. The aforementioned bulletins are obsolete, and any printed versions should be discarded. Be sure to review the entire content of this service bulletin before proceeding. This Service Bulletin provides best practice procedures for vehicle pulling complaint, diagnosis, and repair…
• 10177776Jun 22, 2020Engine cooling. TT: Repairing a 1234YF HVAC system on gas powered (non-hybrid) Lexus vehicle may require additional compressor oil to complete the repairs. 1234YF ND-12 compressor oil is available through the Lexus Approved Dealer Equipment website
• 10176283May 1, 2020Equipment. Safety Recall and Service Campaign - Technician Certification Requirements
• 10174915Apr 21, 2020Brakes. OBSOLETE NOTICE April 21, 2020: This bulletin is now obsolete. Please see L-SB-0013-20.
• 10174913Apr 21, 2020Brakes. TSB: All 2018 ? 2020 model year LC500 and LC500h vehicles are equipped with high-friction brake pads, specifically designed for superior braking performance and response. As a result, the front or rear brakes may exhibit a squeal/squeak noise. For customers who find these characteristics objectionable, brake pads with alternative material are now available as service parts.
• 10174907Apr 15, 2020Equipment. TT: After performing a battery test using the DCA-8000 battery diagnostic charger and the battery health has been considered a ?Good? condition, the DCA will automatically enter a post-test charging mode. In the post-test charging mode, the DCA analyzes the current state of charge of the battery and automatically begins to charge the battery to a fully charged condition, 100% state of charge. The time required to…
• 10174889Apr 6, 2020Equipment. TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates
• 10174888Apr 6, 2020Equipment. TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin Nos. L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003-93, PG002-90, L-SB-0048-08, PG007-07, PG016-01, PG015-01, PG004-97, PG003-97, PG003 93, and PG002-90. The aforementioned bulletins are obsolete, and any printed versions should be discarded.

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