Service campaign 24LC04
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service campaign |
|---|---|
| NHTSA id | 11014197 |
| Published by NHTSA | 2025-02-12 |
| Manufacturer's number | 24LC04 |
| Manufacturer's date | 2025-01-24 |
| Campaign id or software version | 24LC04 |
| NHTSA component | ENGINE |
NHTSA's summary
SPECIAL SERVICE CAMPAIGN 24LC04 Certain 2022-2024 Model Year Lexus LX600 Engine Electronic Control Unit (ECU) Reprogram Frequently Asked Questions
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
| LEXUS LX | 2022, 2023, 2024 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 25V767000 | 2025-11-06. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL |
|---|---|
| 24V381000 | 2024-05-30. ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL |
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
| 24LC04 | 2025-08-08. Service bulletin. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 24LC04 REPROGRAMMING FOR ENGINE ELECTRONIC CONTROL UNIT CERTAIN 2022, 2023 and 2024 LX600 VEHICLES |
|---|---|
| 24LC04 | 2025-08-08. Service campaign. Lexus provided certain specifications for horsepower when the LX600 was introduced into the market. It was recently discovered that these vehicles may have a horsepower rating lower than those specifications. |
| L-SB-0007-25 | 2025-02-12. Service bulletin. Some 2022 – 2024 model year LX 600 vehicles may exhibit a MIL ON condition with one or more of the following Diagnostic Trouble Codes (DTCs) present: •P030000 – Random/Multiple Cylinder Misfire Detected •P030027 – Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold •P030085 – Random/Multiple Cylinder Misfire Detected (Over Temperature) Signal Above Allowable Range The Engine Control Module (ECM) (SAE term: Powertrain Control Module / PCM) logic has been modified to address this condition. |
| 24LC04 | 2025-02-12. Service bulletin. TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 24LC04 REPROGRAMMING FOR ENGINE ELECTRONIC CONTROL UNIT CERTAIN 2022, 2023 and 2024 LX600 VEHICLES |
| 24LC04 | 2025-02-12. Service campaign. Lexus provided certain specifications for horsepower when the LX600 was introduced into the market. It was recently discovered that these vehicles may have a horsepower rating lower than those specifications. |
| 24LC04 | 2025-02-12. Service campaign. Lexus provided certain specifications for horsepower when the LX600 was introduced into the market. It was recently discovered that these vehicles may have a horsepower rating lower than those specifications. |
| L-SB-0021-23 Rev1 | 2024-07-06. Service bulletin. 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) is replaced. GTS+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS+ Health Check Results screen to show when configuration software is available for a specific ECU. REVISION NOTICE April 18, 2024 Rev1: •Applicability has been updated to include 2024 model year GX 550, LX 600, NX 250, NX 350, NX 350h, NX 450h+, RX 350, RX 350h, RX 450h+, RX 500h, RZ 300e, RZ 450e, TX 350, TX 500h, and TX 550h+ vehicles. •The Introduction section has been updated. •The Operation Procedure section has been removed. •The Standard ECU Configuration Procedure and ECU Configuration Value Writing Procedure sections have been added. |
| L-SB-0021-23 Rev1 | 2024-07-06. Service bulletin. 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) is replaced. GTS+ software has been modified to indicate when configuration software is required. A new Configure column has been added to the GTS+ Health Check Results screen to show when configuration software is available for a specific ECU. REVISION NOTICE April 18, 2024 Rev1: •Applicability has been updated to include 2024 model year GX 550, LX 600, NX 250, NX 350, NX 350h, NX 450h+, RX 350, RX 350h, RX 450h+, RX 500h, RZ 300e, RZ 450e, TX 350, TX 500h, and TX 550h+ vehicles. •The Introduction section has been updated. •The Operation Procedure section has been removed. •The Standard ECU Configuration Procedure and ECU Configuration Value Writing Procedure sections have been added. |