LAUNCH X431

This article will introduce how to perform key matching on a Peugeot 3008 vehicle using the LAUNCH X431 IMMO tool ( IMMO PLUS / IMMO ELITE ). Tools used : LAUNCH X431 IMMO PLUS ( X431 IMMO ELITE also supports this function) Vehicle model : Peugeot 3008 Operating procedures: To perform key matching for a vehicle, we should first generate a new key of the specified type. 1) Prepare a new key (only original/LAUNCH series keys are supported). On the X431 IMMO PLUS , click [Vehicle Remote] -> [Peugeot] -> [All remotes] -> [3008(2016+)Remote FSK ID4A]. 2) Click [Generate], and bring the key close to the X431 Key Programmer/X431 G5. Wait for the X431 device to display a success message, then click [Complete]. After the key is generated, we will program the vehicle key so that the new key can be matched with the vehicle’s anti-theft system. 3) Open the [PEUGEOT] software on the X431 IMMO PLUS and go to the function menu: [Anti-theft Password Reading] -> [All Los...

 If a Porsche Cayenne has battery-related fault data stored in the BMS module, the LAUNCH X-431 IMMO PLUS can be used to back up the original data and perform recovery directly from the ECU. Vehicle path: PORSCHE → BMS Repair → CAYENNE → 2018–2022 Remove the BMS ECU Connect the X-431 IMMO PLUS and enter the BMS Repair function. Click OK , then select View the Wiring Diagram . The battery is located under the front passenger seat. Remove the battery cover and take out the ECU from the battery assembly before continuing. Connect the ECU & Back Up the Data Wire the ECU according to the diagram shown on the tool. Click Back Up EEPROM Data and save the file. Then click Back Up FLASH Data and save the file. Perform Data Recovery After both backup files have been saved successfully, click Data Recovery . Wait for the writing process to complete. Once the tool reports that writing has succeeded, the repair procedure is finished. Verification Reinstall...

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 Through collaborations with various manufacturers, the LAUNCH X431 diagnostic tool supports access to various vehicle gateways, such as VAG SGW, FCA SGW, Renault SGW, and more. It is worth noting that recently (May 25, 2026), the Volkswagen Group (VAG) has introduced updated security protocols for accessing and unlocking protected vehicle functions via SFD (Vehicle Diagnostic Protection). To comply with these standards and prevent any service interruptions on Volkswagen, Audi, Skoda, or Seat vehicles etc., Multifactor Authentication (2FA) via Google Authenticator is now MANDATORY. Start Date: May 25, 2026 Affected Systemsand Software: Every LAUNCH X431 diagnostic device used to activate or unlock VAG SFD. The New Requirement A Multifactor-Authentication (2FA) is now mandatory as part of the unlocking process and has been added via Google Authenticator. Specifically, a temporary 6-digit verification code must be entered for each SFD unlocking. Access to the ECU i...

 This procedure resets a Mercedes-Benz VGS3 / NAG2 (7G-Tronic EGS) transmission control unit using the LAUNCH X431 PRO5 on a bench setup. The goal is simple: clear anti-theft personalization, return the TCU to a neutral state, and prepare it for reuse or programming. The job must be done outside the vehicle with stable power and correct pinout wiring — no shortcuts. Workshop Reality Check (Before You Start) In real workshop conditions, this job fails for three reasons: Wrong pinout on VGS3 bench wiring Unstable power supply during erase Losing connection mid-process (internet or CAN drop) If any of these happen, the module can become unresponsive. Set up properly first, then start the software. Required Setup Tool: LAUNCH X431 PRO V Module: Mercedes-Benz VGS3 / NAG2 TCU (EGS 7G) Mode: Bench only (module removed from vehicle) Power: Stable 12V regulated supply (do not rely on battery) Network: Stable internet (required for anti-theft function) Wiring: Correct EGS...