Technical Service Bulletins (TSBs) for the 2018 LS 500h 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.
TSB: Some 2018 model year LS500 and LS500h vehicles equipped with air suspension may exhibit an uneven ride height appearance (lean) after parked on an uneven road surface. 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 »
TSB: REVISION NOTICE July 01, 2019 Rev1: G1668 Applicability has been updated to include 2019 ? 2020 model year Lexus vehicles. G2158 The Techstream Preparation and Process Overview sections have been updated. Read More »
TSB: Some 2018 model year LS500 vehicles may exhibit a vibration due to a rough idle after cold soak. This condition is only present when the vehicle is first started after cold soak. Read More »
TSB: Some 2018 ? 2019 model year LS500 vehicles may exhibit one or both of the following transmission-related conditions: ? R to D shift delay when vehicle is cold ? Shift bump when slowing to a stop The Engine Control Module/ECM (SAE ... 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 »
TSB: Some 2018 ? 2019 model year LS500 vehicles may exhibit one or both of the following transmission-related conditions: ? R to D shift delay when vehicle is cold ? Shift bump when slowing to a stop The Engine Control Module/ECM (SAE ... 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 »
TSB: Some 2018 ? 2024 model year Lexus vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32?F or 0?C). Read More »
TT: If the D/C Cut Fuses are not properly seated in the correct main relay block location, multiple body electronic systems can be affected. 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: REVISION NOTICE July 01, 2019 Rev1: G1668 Applicability has been updated to include 2019 ? 2020 model year Lexus vehicles. G2158 The Techstream Preparation and Process Overview sections have been updated. 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 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 »
TT: If the D/C Cut Fuses are not properly seated in the correct main relay block location, multiple body electronic systems can be affected. 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: 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 »
TSB: Some 2011 ? 2019 model year Lexus vehicles (including RX350HL, RX450HL, LS460L, and LS600HL) with super chrome wheel finishes may become discolored and/or damaged when aftermarket cleaners, polishes, or brake dust removal products ... 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 »
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: 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: If the D/C Cut Fuses are not properly seated in the correct main relay block location, multiple body electronic systems can be affected. 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: REVISION NOTICE July 01, 2019 Rev1: G1668 Applicability has been updated to include 2019 ? 2020 model year Lexus vehicles. G2158 The Techstream Preparation and Process Overview sections have been updated. Read More »
TSB: REVISION NOTICE June 04, 2019 Rev1: ? The entire bulletin has been updated. Any previous printed versions of this bulletin should be discarded. The procedure in this Service Bulletin is a full reformat of the multimedia system. Read More »
TT: While performing the retrofit TSB, and creating the USB stick, it is critical that all files that are included in the .zip folder are extracted in the root directory (not in any folders) of the USB drive. Read More »
Dealer Daily Message: **UPDATED Dealer Letter Available on TIS** Certain 2018 Model Year LS 500 and LS 500h Certain 2018 Model Year NX 300 and NX 300h Certain 2018 Model Year RX 350L and RX 450hL Certain 2017 ? 2018 Model Year RX 350 and ... Read More »
TSB: Some 2018 model year LS500 vehicles may exhibit a vibration due to a rough idle after cold soak. This condition is only present when the vehicle is first started after cold soak. 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 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 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 ? 2019 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 »
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 »
Dealer Daily Message: **UPDATED Dealer Letter Available on TIS** Certain 2018 Model Year LS 500 and LS 500h Certain 2018 Model Year NX 300 and NX 300h Certain 2018 Model Year RX 350L and RX 450hL Certain 2017 ? 2018 Model Year RX 350 and ... Read More »
TSB: Some 2018 model year LS500 and LS500h vehicles equipped with air suspension may exhibit an uneven ride height appearance (lean) after parked on an uneven road surface. Read More »
TSB: Some 2018 ? 2019 model year LS500 vehicles may exhibit one or both of the following transmission-related conditions: ? R to D shift delay when vehicle is cold ? Shift bump when slowing to a stop The Engine Control Module/ECM (SAE ... Read More »
TSB: Some 2010 ? 2019 model year Lexus vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. Read More »
TSB: REVISION NOTICE July 01, 2019 Rev1: G1668 Applicability has been updated to include 2019 ? 2020 model year Lexus vehicles. G2158 The Techstream Preparation and Process Overview sections have been updated. Read More »
TSB: Some 2018 ? 2019 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 »
Dealer Daily Message: **UPDATED Dealer Letter Available on TIS** Certain 2018 Model Year LS 500 and LS 500h Certain 2018 Model Year NX 300 and NX 300h Certain 2018 Model Year RX 350L and RX 450hL Certain 2017 ? 2018 Model Year RX 350 and ... Read More »
TSB: Some 2018 model year LS500 and LS500h vehicles equipped with air suspension may exhibit an uneven ride height appearance (lean) after parked on an uneven road surface. Read More »
TSB: Some 2010 ? 2019 model year Lexus vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. 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 »
