Technical Service Bulletins (TSBs) for the 2020 RX 350 are official communications between Lexus & their dealerships that describe processes for troubleshooting or fixing certain common problems.
All vehicle manufacturers are required by U.S. law to make their TSBs available to the public.
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. Read More »
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. Read More »
TSB: Some 2016 ? 2022 model year RX 450h and 2018 ? 2022 model year RX 450hL vehicles may exhibit a squawk/knock noise from the engine compartment when depressing and/or releasing the brake pedal. Read More »
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. Read More »
TT: Some 2017-2022 RX350 vehicles may experience an engine oil leak condition from the No.2 Oil pan. This issue is currently under investigation. Please take detailed pictures of the location of the oil pan leak condition before repair. Read More »
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. Read More »
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. Read More »
TSB: Some 2019 ? 2023 model year ES 350, 2018 ? 2023 model year IS 350, IS 300, RC 350, RC 300, 2016 ? 2022 model year RX 350, and 2016 ? 2020 model year GS 350 vehicles equipped with a 2GR-FKS engine may exhibit a knocking noise from the ... Read More »
TSB: Some 2016 ? 2022 model year RX 450h and 2018 ? 2022 model year RX 450hL vehicles may exhibit a squawk/knock noise from the engine compartment when depressing and/or releasing the brake pedal. Read More »
TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine Read More »
TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2022 model year Lexus vehicles equipped with an FKS engine Read More »
TT: Some 17-22MY RX350 vehicles with engine serial numbers that start with F or G, may experience an engine oil leak condition from the No.2 Oil pan. This issue is currently under investigation. Read More »
TSB: This Service Bulletin provides a procedure to properly perform the Techstream ?Control the Injection Mode? active test in some 2016 ? 2021 model year Lexus vehicles equipped with an FKS engine. Read More »
TSB: Some 2018 ? 2021 model year RX 350 vehicles may exhibit a MIL ON condition with one or more of the following companion cylinder misfire Diagnostic Trouble Code (DTC) combinations: ?P030100 and P030400 (Cylinders 1 and 4 Misfires ... Read More »
TT: The current engine active test Control the Injection Mode? is not operating as desired when controlling the direct injectors manually on 2GR-FKS engines. Read More »
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 ... Read More »
TSB: Some 2016 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Read More »
TSB: Some 2016 ? 2021 model year RX 350 and 2018 ? 2021 model year RX 350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Read More »
TSB: This Service Bulletin provides updated non-electric water pump leak inspection and diagnostic tips for some 2008 ? 2021 model year Lexus vehicles. Read More »
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. Read More »
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. Read More »
POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT
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. Read More »
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 Read More »
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. Read More »
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. Read More »
TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating the available diagnostic information in one document. Read More »
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. Read More »
TT: Some 2020 model year vehicles may display abnormal Safety Connect operation during PDS or after replacement due to DCM activation issues. Read More »
TT: Some 2020 model year vehicles equipped with a DCM may exhibit a B15A804 DTC in current or history during PDS. This DTC can be triggered during the manufacturing and/or shipping process and does not indicate a problem with the vehicle. Read More »
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. Read More »
TSB: This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. Read More »
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 ... Read More »
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. Read More »
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. Read More »
TSB: REVISION NOTICE July 12, 2019 Rev2: ? Applicability has been updated to include 2020 model year RX350 and RX450h vehicles. March 29, 2019 Rev1: ? Applicability has been updated to include 2020 model year RC F vehicles. Read More »
TSB: Some 2018 ? 2019 model year LS 500 and LS 500h and 2019 ? 2022 model year RX 350 and RX 450h vehicles may exhibit a condition where the rear combination lamp front corner on the right and/or left-hand side expands and contacts the ... Read More »
TSB: Some 2017 ? 2022 model year RX 350 and RX 450h vehicles may exhibit water leaking from the moon roof when going through a high-pressure rinse cycle car wash. Read More »
TSB: Some 2019 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 450h vehicles may exhibit a rattle noise from the sliding roof assembly when it is in the tilted open position while driving over a bumpy road. Read More »
VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:ENGINE COOLANT HOSES AND FITTINGS
TSB: Some 2016 ? 2022 model year RX 350 vehicles may exhibit a droning noise from the exhaust system at takeoff or under light acceleration. Countermeasure parts are available to reduce the droning noise. Read More »
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. Read More »
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. Read More »
TSB: Some 2016 ? 2021 model year North American Produced (NAP) TMMC-built RX 350 and RX 450h vehicles may exhibit a condition in which the hood release cable is binding, seizing, or sticking. Read More »
TSB: Some 2018 ? 2019 model year LS 500 and LS 500h and 2019 ? 2022 model year RX 350 and RX 450h vehicles may exhibit a condition where the rear combination lamp front corner on the right and/or left-hand side expands and contacts the ... Read More »
TSB: Some 2019 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 450h vehicles may exhibit a rattle noise from the sliding roof assembly when it is in the tilted open position while driving over a bumpy road. Read More »
TT: ?Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during logistics. ?The lashing holes are intended to be plugged during Pre-Delivery Service (PDS). Read More »
TSB: Some 2016 ? 2021 model year North American Produced (NAP) TMMC-built RX 350 and RX 450h vehicles may exhibit a condition where the hood release cable is binding, seizing, or sticking. Read More »
TSB: Some 2016 ? 2021 model year North American Produced (NAP) TMMC-built RX 350 and RX 450h vehicles may exhibit a condition where the hood release cable is binding, seizing, or sticking. Read More »
TSB: Some 2019 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 450h vehicles may exhibit a rattle noise from the sliding roof assembly when it is in the tilted open position while driving over a bumpy road. Read More »
TSB: Some 2016 ? 2021 model year North American Produced (NAP) TMMC-built RX 350 and RX 450h vehicles may exhibit a condition where the hood release cable is binding, seizing, or sticking. Read More »
TSB: Some 2016 ? 2021 model year North American Produced (NAP) TMMC-built RX 350 and RX 450h vehicles may exhibit a condition in which the hood release cable is binding, seizing, or sticking. Read More »
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »
TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. Read More »
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »
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. Read More »
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. Read More »
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 ... Read More »
TSB: Some 2016 ? 2022 model year RX 350 vehicles may exhibit a droning noise from the exhaust system at takeoff or under light acceleration. Countermeasure parts are available to reduce the droning noise. Read More »
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. Read More »
TSB: Some 2016 ? 2021 model year RX 350 and 2018 ? 2021 model year RX 350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Read More »
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. Read More »
TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. Read More »
TT: To improve guest support of telematics connected services features, additional resources have been provided in the Service Lane - Knowledge Center. Read More »
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. Read More »
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. Read More »
TSB: Some 2016 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Read More »
TSB: Some 2018 ? 2021 model year RX 350 vehicles may exhibit a MIL ON condition with one or more of the following companion cylinder misfire Diagnostic Trouble Code (DTC) combinations: ?P030100 and P030400 (Cylinders 1 and 4 Misfires ... Read More »
TT: Some vehicles may experience an issue related to the DCM, the following information is consolidating the available diagnostic information in one document. Read More »
TSB: 2020 model year Lexus vehicles are equipped with driver side floor mat retaining clips to secure the floor mat in the correct position. Read More »
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. Read More »
TT: ?Unibody vehicles commonly have lashing holes on the under body used for securing the vehicle during logistics. ?The lashing holes are intended to be plugged during Pre-Delivery Service (PDS). Read More »
TT: Due to the challenges caused by the COVID-19 virus threat, some dealers are experiencing reduced traffic into their stores and causing dealer stock to age. Read More »
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. Read More »
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. Read More »
TT: Some 2020 model year vehicles may display abnormal Safety Connect operation during PDS or after replacement due to DCM activation issues. Read More »
TSB: Some 2006 ? 2020 model year Lexus vehicles may exhibit odors that naturally occur from the HVAC system and/or related environmental factors. Read More »
TT: Some 2020 model year vehicles equipped with a DCM may exhibit a B15A804 DTC in current or history during PDS. This DTC can be triggered during the manufacturing and/or shipping process and does not indicate a problem with the vehicle. Read More »
TT: Some new vehicles may experience the SOS/Telematics functions inoperative during Pre-Delivery Inspection or after replacement. The following procedure outlines the process to activate the DCM with the cellular network. Read More »
TSB: REVISION NOTICE July 12, 2019 Rev2: ? Applicability has been updated to include 2020 model year RX350 and RX450h vehicles. March 29, 2019 Rev1: ? Applicability has been updated to include 2020 model year RC F vehicles. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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 ... Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
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. Read More »
SPOC: Effective immediately, Lexus is issuing a stop sale on part numbers 85212-YZZ2L-LX & 85212-YZZ2M-LX, which may have a quality concern relating to a missing kit component (mispack). Read More »
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Lexus. Read More »
TSB: This bulletin contains the vehicle specific pre-delivery services for 2020 model year RX350 and RX450h vehicles. Additionally, refer to the applicable Pre-Delivery Service (PDS) Check Sheet for services to be performed. Read More »
TSB: Some 2016 ? 2022 model year RX 350 and 2018 ? 2022 model year RX 350L vehicles may exhibit a knocking noise from the fuel tank area at idle, vehicle stationary, with a full tank of gasoline. Read More »
TSB: 2020 model year Lexus vehicles are equipped with driver side floor mat retaining clips to secure the floor mat in the correct position. Read More »
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. Read More »
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. Read More »
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. Read More »
TSB: The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. Read More »
TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. Read More »
