Technical Service Bulletins (TSBs) for the 2018 GS 300 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 »
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 ... Read More »
TSB: REVISION NOTICE February 4, 2019 Rev2: G541 Applicability has been updated to include 2019 model year GS 300, GS 350, RC 300 and RC 350 vehicles. ? The Introduction and Repair Procedure sections have been updated. Read More »
TSB: Some 2013 - 2018 model year vehicles may exhibit a rear brake vibration/squeak while braking, due to corrosion on the rear brake components. Service parts are now available to reduce the likelihood of this condition occurring. Read More »
SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:PADS
TSB: Some 2013 ? 2020 model year Lexus AWD F Sport and non-F Sport model vehicles may exhibit a squeal/squeak noise from the front brake pads. Read More »
TSB: Some 2013 ? 2020 model year GS and RC model vehicles may exhibit a squeal/squeak noise from the front brake pads. This is only applicable on 2WD F Sport vehicles. Read More »
TSB: Some 2013 ? 2020 model year Lexus AWD F Sport and non-F Sport model vehicles may exhibit a squeal/squeak noise from the front brake pads. Read More »
TSB: Some 2013 ? 2020 model year GS and RC model vehicles may exhibit a squeal/squeak noise from the front brake pads. This is only applicable on 2WD F Sport vehicles. 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: REVISION NOTICE November 12, 2018 Rev1: ? Applicability has been updated to include 2018 ? 2019 model year GS300, IS300, NX300, and RC300 vehicles. ? The entire bulletin has been updated. 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 »
TSB: Some 2013 ? 2022 model year Lexus vehicles equipped with a 2WD drivetrain and the F Sport package may exhibit a clicking noise from the front wheel area during slow (parking lot) speed turns. Read More »
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 ... 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: 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: 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 bulletin details the supplemental procedure to confirm Telematics Data Communication Module (DCM) activation for applicable 2018 ? 2019 model year Lexus vehicles after the process is initiated by Techstream. Read More »
TSB: Some 2016 ? 2017 model year IS200t, IS300, RC200t, and RX350, 2016 ? 2018 model year GS200t, GS300, GS350, and RC300, and 2018 model year IS300, IS350, and RC350 vehicles may exhibit a MIL ON condition with Diagnostic Trouble Code ... 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: To minimize battery discharge during transportation and storage, the D/C Cut Fuse (30A) has been removed at the assembly plant and temporarily stored in the engine compartment Relay Block. Read More »
TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and life. These conditions include storage period, temperature, parasitic drain, and battery load. 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: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. L-SB-0108-17. ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. Service Bulletin No. Read More »
TSB: REVISION NOTICE May 17, 2018 Rev1: * Applicability has been updated to include 2019 model year Lexus vehicles. Any previous printed versions of this bulletin should be discarded. Read More »
TSB: To minimize battery discharge during transportation and storage, the D/C Cut Fuse (30A) has been removed at the assembly plant and temporarily stored in the engine compartment Relay Block. 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 2016 ? 2020 model year Lexus vehicles with navigation (version less than A1##8020) may exhibit one or more of the following conditions: ?Pink or purple flashing navigation screen. ?Black or blank navigation screen. 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 »
This bulletin is regarding the Diagnosis of Bluetooth Connectivity Complaints: Some customers may encounter Bluetooth? connectivity concerns such as: Difficulty to pair the phone. 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 »
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 »
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 »
TSB: Some 2013 ? 2022 model year Lexus vehicles equipped with a 2WD drivetrain and the F Sport package may exhibit a clicking noise from the front wheel area during slow (parking lot) speed turns. 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: Some models are equipped with front and rear wheels of different offsets or width. Wheel offset, defined as the distance between the wheel?s centerline and the wheel-to-rotor mounting surface, affects the clearance between the back of ... 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 »
TSB: REVISION NOTICE June 26, 2018 Rev1: ? Applicability has been updated to include 2018 model year GS 300 and 2016 ? 2018 model year RC 300 vehicles. Any previous printed versions of this bulletin should be discarded. 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: 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 »
TSB: OBSOLETE NOTICE April 06, 2020: This bulletin is now obsolete. Please see L-SB-0008-20. Replacement Certification Labels and VIN Plates 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: 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 »
TT: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (telematics transceiver) inoperative conditions, refer ... Read More »
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. L-SB-0108-17. ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. Service Bulletin No. Read More »
TSB: SUPERSESSION NOTICE The information contained in this bulletin supersedes Service Bulletin No. L-SB-0112-17. ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. Service Bulletin No. Read More »
TSB: REVISION NOTICE November 30, 2018 Rev2: ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. June 20, 2018 Rev1: ? Applicability has been updated to include 2019 model year Lexus vehicles. Read More »
TSB: REVISION NOTICE June 20, 2018 Rev1: ? Applicability has been updated to include 2019 model year Lexus vehicles. Any previous printed versions of this bulletin should be discarded. Read More »
TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added to the A/C system. Adding stop leak products to the A/C system is not a recommended or approved Lexus repair process. 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: The microphone circuit passes through the DCM before reaching the radio/navigation system. To simplify the diagnosis of the microphone, Safety Connect SOS button lights, and DCM (telematics transceiver) inoperative conditions, refer ... Read More »
TSB: Some 2016 ? 2020 model year Lexus vehicles with navigation (version less than A1##8020) may exhibit one or more of the following conditions: ?Pink or purple flashing navigation screen. ?Black or blank navigation screen. 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 with Pioneer 12.3? (or 10.3? IS) Navigation may encounter an intermittent Pink flash on the display followed by a system reset. 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: REVISION NOTICE May 16, 2018 Rev1: * Applicability has been updated to include 2019 model year Lexus vehicles. Any previous printed versions of this bulletin should be discarded. Read More »
TT: Techstream cannot perform a DCM (Telematics ECU) Activation following a DCM replacement. Techstream may exhibit an ?ATX web service unavailable? error or similar message when attempting a DCM activation. 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 vehicles with Pioneer 12.3? (or 10.3? IS) Navigation may encounter an intermittent Pink flash on the display followed by a system reset. Read More »
TSB: REVISION NOTICE November 30, 2018 Rev2: ? Applicability has been updated to include 2019 model year UX200 and UX250h vehicles. April 25, 2018 Rev1: ? Applicability has been updated to include 2019 model year vehicles. Read More »
TT: During previous air conditioning service, leakage prevention agent (A/C stop leak) may have been added to the A/C system. Adding stop leak products to the A/C system is not a recommended or approved Lexus repair process. 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 »