Posts

Genlyon C6 Truck OBD Light Test with LAUNCH X431 PAD V HD

Image
 If the OBD indicator needs to be checked on a 2021 Genlyon C6, the test can be performed directly using the Launch X431 PAD V Elite HD through the engine control system’s actuation functions. Access the OBD Light Test Function Open Intelligent Diagnose . Enter Engine System . Confirm the displayed vehicle information and press OK . Select Actuation Test , then choose OBD Light Test . Check Test Conditions Before running the test, make sure: T15 ignition is ON. Vehicle speed is 0. No related fault codes are present. Transmission is in P or N. Parking brake is applied. After confirming the conditions, review the information on screen and press Continue . Run the Test Press Open to activate the OBD light. Press Close to deactivate the OBD light. The OBD light test is now complete. Verification Confirm that the OBD indicator responds correctly during the Open/Close commands and that the vehicle remains in normal operating condition after the test. W...

LAUNCH X431 Truck Software Update Log (June 2026)

Image
 The following details the commercial vehicle diagnostic software update for LAUNCH X431 tools (released in June 2026). This update applies to diagnostic devices with 8-inch or larger screens that support truck diagnostics, such as the X431 PRO series and X431 PAD series . HD_CATERPILLAR V12.60 Added Features such as Coolant Lines Air Purge Test and Engine Torque Calibration, and Fixed Some Known Issues. HD_IVECO/IVECO V22.20 Update The Basic Functions Of Daily Euro 4/5/6(SGW) 2019, 2021,2022, 2024; Update The DPF Functions And Parts Replacement Of Daily Euro 4/5/6(SGW) 2019, 2021, 2024; Added The Maintenance Function Of Daily Euro 4/5/6(SGW) 2019, 2021. PERKINS V10.25 Added Features such as Diesel Oxidation Catalyst Replacement and After-treatment #1 SCR Catalyst Replacement, and Fixed Some Known Issues. HD_CASE V10.70 Added new function and optimize menu items. HD_WABCO_ABS V12.05 Added actuation test and special functions for iEBS system. KOBELCO V10...

How to test if truck System Lamp are lit normally with LAUNCH X431?

Image
 Most modern trucks perform a brief system self-check on the dashboard when the ignition switch is on (ON) but the engine is not running. If a vehicle malfunctions but the dashboard system lights do not illuminate normally, a specialized diagnostic tool (such as the LAUNCH X431 diagnostic tool ) should be used to test and check the Body Control Module (BCM) or lighting controllers. Tools Used: LAUNCH X431 PAD V ELITE with HD (Truck) Package Test Vehicle: 2021 Genlyon C6 Operating procedures: 1) Connect the SmartLink HD to the vehicle. On the X431 diagnostic software, select [Intelligent Diagnose]. The X431 device will automatically scan vehicle information. (If the scan fails, you can manually select the vehicle model to enter the diagnostic interface). 2) Click [Click In] to enter the engine system. Confirm Vehicle Information. 3) Click [Actuation Test] -> [System Lamp Test] in sequence, check the information, then click "Continue". Note: Please check ...

How to add keys to Porsche Macan using LAUNCH X431 IMMO PLUS

Image
 Adding a key to a Porsche Macan using the LAUNCH X431 IMMO PLUS / IMMO ELITE requires using BENCH Mode: wiring to the vehicle’s IMMO module. This article will explain how to do this. Operating procedures: 1) On the X431 IMMO PLUS / IMMO ELITE , open the Porsche Design app and select [Anti-Theft Key Matching] -> [CAYENNE] -> [2011–2017]. 2) Connect to the XPROG3(G3) / X431 G5, and click OK. 3) Select [Read immobilizer data] -> [5M48H] -> [View the wiring diagram] in sequence.. 4) Connect the ECU and XPROG3/G5 according to the wiring diagram. NOTE: The amount of data is large. To improve communication stability, use the USB cable to connect the tablet and the Bluetooth connector. 5) After completing the wiring, return to the previous menu, select [Back up EEPROM data], and enter the name of the file to be saved. (The file name for this backup is "eep.bin") 6) Returning to the menu from step 3, this time select [Generate dealer keys]. Place the ...

LAUNCH X431 IMMO PLUS Guide: Key Matching for Peugeot 3008

Image
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...

How to Fix Porsche Cayenne BMS Failure with LAUNCH X431 IMMO PLUS?

Image
 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...