LAUNCH X431

 LAUNCH ECU Software January 2025 Update. This update includes the erase function of the Mercedes-Benz fourth-generation seven-speed gearbox (VGS4–0-NAG2 and VGS4–500-NAG2) (not supported by competing products yet); 3 BENCH mode engine and transmission ECU read and write function updates; and optimization of BMW E83 data stream reading and software expiration prompt issues. Covered devices: LAUNCH XPROG3 + PC Adaptor , LAUNCH X431 ECU & TCU Programmer . Detailed software upgrade log: 1. Added read and write, personalization, clearing function for BOOT mode Benz transmission ECU VGS4–0-NAG2, VGS4–500-NAG2. (For operation instructions, please refer to: LAUNCH X431 ECU Programmer erase/ reset VGS4–0-NAG2 gearbox ) 2. Added BENCH mode Cadillac, Chevrolet transmission ECU T87A read and write function. 3. Added read and write function for BENCH mode Great Wall transmission ECU 7DCT450. 4. Added read and write function for BENCH mode Great Wall, Geely engine ECU MG1US...

 The LAUNCH X431 series of tools excel in vehicle diagnostics. Its special features include BCM (Body Control Module), which can be used to add wireless remote control keys. This article will show you how to add a wireless remote control key to a Lexus LS500h using the LAUNCH X431 diagnostic tool . Function Description : This function is used to add a wireless remote control. Supported Products : Launch PRO or PAD series comprehensive diagnostic equipment. X431 PRO series: X431 PROS V / X431 V+ / X431 PRO ELITE / Pros Elite / X431 V / PRO3 V+ Elite X431 PRO3S+ / Pro3 ACE / Pro3 APEX / X431 PRO5 X431 PAD series products: X431 PAD V / X431 PAD VII Tested Model : Lexus LS500h 2023 Procedure: 1. Click [BCM (Body Control Module)] to access it. 2. Choose [Special Function]. 3. Choose [Wireless Code Registration]. 4. Use this function when registering a new wireless code. Click [OK]. 5. Confirm the following conditions and click [OK]. 6. Check if there...

 Today I’m gonna show how to add a smart key for 2013–2018 Toyota RAV4 with Launch X431 PRO ELITE by OBD. Since I’ve had the working key and new key at hands, let’s get start. Switch on ignition. 16PIN DLC(North America) >> w/Smart Key >> OK If communication abnormality occurs during the test, please ensure whether the vehicle is equipped with other parts. If other parts are installed, you can try to remove the parts and then perform the test. OK >> SMK(Smart Key) This ECU controls keyless entry and starting engine with the detection smart key. Special Function >> Smart Code Registration(Classic) >> OK X431 PRO ELITE Note: This function is used to register the immobiliser portion of smart keys. Confirm the following conditions: Power/engine switch is ON(IG). Smart Cancel function is OFF. OK >> I am juset registering keys Remaining number of keys that can be registered: 3 Number of keys currently registered: 1 Touch the power...

 When the "VSC" and "ABS" malfunction indicator lamp lights up on the vehicle dashboard, it usually means that the vehicle system has a DTC. The LAUNCH X431 device can help clear DTCs. This article will introduce how to use the LAUNCH X431 diagnostic tool to clear Lexus GS300 DTCs. Function description: On the ABS system of Lexus GS300, there is a DTC: C1336 zero calibration of deceleration sensor undone. The "Test Mode" special function needs to be performed. Product Requirements : X431 PRO series: X431 PROS V / X431 V+ / X431 PRO ELITE / Pros Elite / X431 V X431 PRO3S+ / Pro3 ACE / Pro3 APEX / X431 PRO5 X431 PAD series products: X431 PAD V / X431 PAD VII Tested model : 2000 Lexus GS300, VIN: JT153JSG000****** Fault Description : The instrument "VSC" and "ABS" MILs flash. Procedure: 1. Connect the LAUNCH X431 device to the vehicle, scan the vehicle and find that DTC appears in the ABS system: C1336 zero cal...

 How to check the models and functions supported by the Launch diagnostic tool without the Launch X431 tool on hand? In fact, Launch has a webpage that can be used to complete this requirement. This article will introduce how to use the Launch online query function. Launch X431 Vehicle Coverage Query : [ https://qcar.x431.com/qcar/ ] Take LAUNCH X431 PRO3S+ to diagnose 2022 Audi A7L as an example. We first need to select the region of the LAUNCH device on the website (for example, PRO3S+ is a product sold in an online store), then select the type of LAUNCH device (for example, PRO3S+ is a professional diagnostic device), and finally Select the car brand Audi that requires diagnosis. After entering the function page of the Audi software, we can select the Audi vehicle model and the functions we want to test. We want to check the LAUNCH tool’s support list for the 2022 Audi A7L, then we should select the Audi brand, A7L model, and 2022 year in order Production; fina...

 This is a tutorial on how to connect LAUNCH CRP IMMO Key Programmer step by step. Also showing the location of DLC on most vehicle models. Read also: LAUNCH CRP IMMO Quick Start & Upgrade Guide Where is the DLC(Data Link Connector) Location? The DLC (Data Link Connector or Diagnostic Link Connector) is typically a 16-pin connector where diagnostic code readers interface with the vehicle’s onboard computer. It is usually located 12 inches from the center of the instrument panel, under or around the driver’s side for most vehicles. For some vehicles with special designs, the DLC location may vary. Refer to the following figure for location. A — Opel, Volkswagen, Audi B — Honda C — Volkswagen D — Opel, Volkswagen, Citroen E — Changan F — Hyundai, Daewoo, Kia, Honda, Toyota, Nissan, Mitsubishi, Renault, Opel, BMW, Mercedes-Benz, Mazda, Volkswagen, Audi, GM, Chrysler, Peugeot, Regal, Beijing Jeep, Citroen and other most popular models. If the DLC cannot be f...

 The LAUNCH ECU Software has added the erase function for the Mercedes-Benz 4th generation 7-speed gearbox ( VGS4–0-NAG2 and VGS4–500-NAG2 ) in the January 2025 software update (v10.40) . This article will briefly introduce how to operate the gearbox erase function. Function Description : 4th generation 7-speed Mercedes Benz gearbox wiped clean Supported Products : LAUNCH XPROG3 + PC Adaptor , LAUNCH X431 ECU & TCU Programmer . (Requires software version v10.40) If the original vehicle computer fails, but can still read data normally. In this case, replace the transmission computer and follow the steps below to erase and re-authorize: 1. Enter the ECU model and enter the function menu. 2. Click [Directly connect to the wiring diagram]. 3. Follow the on-screen instructions and click OK. 4.The wiring diagram provides two connection methods: BENCH/ BOOT. Use BENCH mode to read data from the original gearbox computer. For resetting and personalizing a sec...