2024 Lexus GX service bulletins & manufacturer communications

54 manufacturer communications are on file with NHTSA for the 2024 Lexus GX. TSBs are repair guidance for dealers — they are not recalls, and repairs are not automatically free.

• Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing no…
  L-SB-0053-25 Rev2 · Technical service bulletin · Service Brakes · issued Jul 1, 2026
• Some 2024 – 2026 model year GX 550 vehicles may exhibit a vibration at idle when in drive. The Engine Control Module (ECM) logic has been modified, in addition to improved exhaust …
  L-SB-0013-26 · Technical service bulletin · Engine · issued May 29, 2026
• Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop. The Electronic Controlled Transmission (ECT) ECU logic has been modified t…
  L-SB-0042-25 Rev2 · Technical service bulletin · Power Train · issued May 5, 2026
• Some 2022 – 2026 model year LX 600, 2024 – 2026 model year GX 550, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing no…
  L-SB-0053-25 · Technical service bulletin · Service Brakes · issued Feb 21, 2026
• Some 2024 model year GX 550 vehicles may exhibit an abnormal hood fluttering and/or vibration while driving 25 mph or higher. The mastic between the outer panel and the hood brace …
  L-SB-0013-25 Rev1 · Technical service bulletin · Structure · issued Feb 7, 2026
• Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop. The Electronic Controlled Transmission (ECT) ECU logic has been modified t…
  L-SB-0042-25 Rev1 · Technical service bulletin · Power Train · issued Feb 5, 2026
• Some 2005 – 2026 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate th…
  L-SB-0030-24 Rev2 · Technical service bulletin · Structure · issued Dec 15, 2025
• Some 2024 – 2026 model year GX 550, 2022 – 2026 model year LX 600, and 2025 – 2026 model year LX 700h vehicles may exhibit a condition where the front brakes produce a squealing no…
  L-SB-0053-25 · Technical service bulletin · Service Brakes · issued Nov 21, 2025
• OBSOLETE NOTICE November 21, 2025: This bulletin is now obsolete. Please see L-SB-0053-25
  L-SB-0036-24 Rev2 · Technical service bulletin · Service Brakes · issued Nov 21, 2025
• Some 2024 – 2025 model year GX 550 vehicles may exhibit a harsh downshift (2 – 1) when slowing to a stop. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) …
  L-SB-0042-25 · Technical service bulletin · Power Train · issued Sep 17, 2025
• A new head unit software update is available for 2023 – 2024 model year ES 250, ES 300h, ES 350, LS 500h, and UX 250h; 2023 model year LS 500; 2024 model year GX 550, LC 500, LC 50…
  L-SB-0039-25 · Technical service bulletin · Electrical System · issued Sep 9, 2025
• Some customers may experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual,…
  L-TT-0326-23 Rev2 · Technical service bulletin · Electrical System · issued Aug 19, 2025
• Some 2024-2025 model year GX550 vehicles may exhibit a harsh downshift when slowing to a stop. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has b…
  L-SB-0031-25 · Technical service bulletin · Power Train · issued Jul 29, 2025
• The new TPMS sensors in 2024 and newer GX550 and 2025 UX300H vehicles are equipped with a noise reduction mode that reduces battery consumption when exposed to specific frequency r…
  L-TT-0346-25 · Technical service bulletin · Suspension · issued Jun 16, 2025
• Some 2024 model year GX 550 vehicles equipped with the refresh seat function may exhibit a condition where the front passenger seat massager is inoperative. This condition is cause…
  L-SB-0042-24 Rev1 · Technical service bulletin · Structure · issued Jun 13, 2025
• The air conditioning dye injection tool kit has been developed to aid in identifying the location of air conditioning refrigerant leaks. The procedures outlined in this Service Bul…
  L-SB-0043-23 Rev1 · Technical service bulletin · Electrical System · issued Jun 13, 2025
• To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on h…
  L-TT-0340-25 · Technical service bulletin · Electrical System · issued Apr 2, 2025
• To assist with the early detection and early resolution of audio related concerns you may be asked to recover MMR data from the head unit. The following steps are instructions on h…
  L-TT-0340-25 · Technical service bulletin · Electrical System · issued Apr 2, 2025
• Some customers of Lexus GX, TX, and UX have expressed concern that their vehicle’s multimedia screen will get stuck on either day or night mode, intermittently.
  L-TT-0335-24 Rev1 · Technical service bulletin · Electrical System · issued Feb 25, 2025
• Some customers of Lexus GX, TX, and UX have expressed concern that their vehicle’s multimedia screen will get stuck on either day or night mode, intermittently.
  L-TT-0335-24 Rev1 · Technical service bulletin · Electrical System · issued Feb 25, 2025
• Some 2024 – 2025 model year GX 550 and 2022 – 2025 model year LX 600 vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in re…
  L-SB-0036-24 Rev1 · Technical service bulletin · Service Brakes · issued Feb 10, 2025
• Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are releas…
  L-SB-0036-22 Rev2 · Technical service bulletin · Electrical System · issued Feb 10, 2025
• The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys wi…
  L-SB-0013-24 Rev1 · Technical service bulletin · Electrical System · issued Feb 10, 2025
• Some 2024 – 2025 model year GX 550 and 2022 – 2025 model year LX 600 vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in re…
  L-SB-0036-24 Rev1 · Technical service bulletin · Service Brakes · issued Feb 10, 2025
• Flash reprogramming allows the Electronic Control Unit (ECU) software to be updated without replacing the ECU. Flash calibration updates for specific vehicle models/ECUs are releas…
  L-SB-0036-22 Rev2 · Technical service bulletin · Electrical System · issued Feb 10, 2025
• The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys wi…
  L-SB-0013-24 Rev1 · Technical service bulletin · Electrical System · issued Feb 10, 2025
• Some 2024 model year GX 550 vehicles may exhibit an abnormal hood fluttering and/or vibration while driving 25 mph or higher. The mastic between the outer panel and the hood brace …
  L-SB-0013-25 · Technical service bulletin · Structure · issued Feb 8, 2025
• Some 2010 – 2026 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 wrin…
  L-SB-0017-19 Rev1 · Technical service bulletin · Structure · issued Feb 7, 2025
• Some 2010 – 2026 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 wrin…
  L-SB-0017-19 Rev1 · Technical service bulletin · Structure · issued Feb 7, 2025
• Some 2022 – 2025 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) i…
  L-SB-0021-23 Rev2 · Technical service bulletin · Electrical System · issued Jan 30, 2025
• When certain vehicle ECUs are replaced, the ECU Security Key must be written in order for that ECU to communicate on the vehicle network. The GTS+ Software Health Check Results scr…
  L-SB-0035-22 Rev2 · Technical service bulletin · Electrical System · issued Jan 23, 2025
• TSB: 2024 model year Lexus vehicles are equipped with driver side floor mat retaining hooks (clips) to secure the floor mat in the correct position. In addition, some models may al…
  L-SB-0026-23 Rev · Technical service bulletin · Equipment · issued Dec 21, 2024
• TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle com…
  L-SB-0019-23 Rev · Technical service bulletin · Equipment · issued Dec 21, 2024
• TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain,…
  L-SB-0016-23 Rev · Technical service bulletin · Electrical System · issued Dec 21, 2024
• TSB: During the manufacturing process, tires are mounted on the vehicle as matched sets to help reduce conditions such as pulling or drifting. If the wheels are replaced or refinis…
  L-SB-0025-23 Rev · Technical service bulletin · Wheels · issued Dec 20, 2024
• TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PD…
  LSB006423 · Technical service bulletin · Electrical System · issued Dec 15, 2024
• Some 2024 model year GX 550 vehicles may exhibit a condition where the front passenger seat massager is inoperative. This condition is caused by the front passenger seat massager t…
  L-SB-0042-24 · Technical service bulletin · Structure · issued Oct 30, 2024
• Some customers of Lexus GX and TX have expressed concern that their vehicle’s multimedia screen will get stuck on either day or night mode, intermittently.
  L-TT-0335-24 · Technical service bulletin · Electrical System · issued Oct 23, 2024
• Some 2024 model year GX 550 and 2022 – 2024 model year LX 600 vehicles may exhibit a condition where the front brakes produce a squealing noise when driving forward or in reverse.
  L-SB-0036-24 · Technical service bulletin · Service Brakes · issued Oct 8, 2024
• Some 2023 model year ES 250, ES 300h, ES 350, and UX 250h vehicles with DCM firmware version earlier than LG-N210ee9999-09 may exhibit a condition in which the vehicle customize se…
  L-SB-0034-23 Rev2 · Technical service bulletin · Electrical System · issued Oct 1, 2024
• Some 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate th…
  L-SB-0030-24 Rev1 · Technical service bulletin · Structure · issued Jul 29, 2024
• Some 2005 – 2024 Lexus vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present. Follow the procedures in this bulletin to remediate th…
  L-SB-0030-24 Rev1 · Technical service bulletin · Structure · issued Jul 29, 2024
• Some 2005 – 2024 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 t…
  L-SB-0030-24 · Technical service bulletin · Structure · issued Jun 21, 2024
• Some 2005 – 2024 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 t…
  L-SB-0030-24 · Technical service bulletin · Structure · issued Jun 21, 2024
• The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds.…
  L-SB-0024-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an expos…
  L-SB-0022-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• Lexus vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fall…
  L-SB-0021-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, weldin…
  L-SB-0020-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• The condition known as acid rain is caused by airborne chemicals or particles in the atmosphere, which mix with rainwater, nighttime dew, or high humidity to form acidic compounds.…
  L-SB-0024-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• Acid rain results from rainwater or other airborne moisture that become acidic due to industrial chemical impurities in the atmosphere. If these acidic compounds settle on an expos…
  L-SB-0022-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• Lexus vehicles are currently protected with RapgardTM protective film designed to protect the horizontal painted surfaces. This material protects from acid rain, environmental fall…
  L-SB-0021-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• Vehicles may occasionally be subjected to contamination by airborne iron particles shed from railroad tracks, train wheels, exposure to heavy machinery facilities, grinding, weldin…
  L-SB-0020-24 · Technical service bulletin · Structure · issued Apr 19, 2024
• Some 2022 – 2024 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) i…
  L-SB-0021-23 Rev1 · Technical service bulletin · Engine · issued Apr 18, 2024
• Some 2022 – 2024 model year Lexus vehicles may require the download and installation of vehicle specific software or configuration software when the Electronic Control Unit (ECU) i…
  L-SB-0021-23 Rev1 · Technical service bulletin · Electrical System · issued Apr 18, 2024