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How to Program Audi A4 Keys with LAUNCH X431 IMMO Plus?

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 Efficiently program keys for Audi A4 using the Launch X431 IMMO Plus or X431 IMMO Elite . This professional workflow covers 5th Gen Immobilizer systems, including dealer key generation and key learning. Both tools share identical operation steps for seamless key matching. Operation Steps Access the System Navigate to: Audi > OK > System Mode > Anti-Theft Key Matching > Key Learning > 5th Immobilizer > A4/A5/Q5. Read Anti-Theft Data Select Step 1: Read Anti-Theft Data. Insert the key into the ignition (or sensing area) and switch to ON. All Keys Lost: Turn on hazard flashers and press the brake. Click OK to read and back up data. Generate Dealer Key Select Step 2: Generate Dealer Key. Place a blank key into the G5 anti-theft programmer. Click OK to complete dealer key generation. Learn the Key Select Step 3: Learn Key. Insert each key to be learned and turn to ON within 30 seconds. Ensure the interval between keys is less than 5 seconds. ...

LAUNCH X431 Truck Diagnostic Software Upgrade Log (March to April 2026)

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 This article summarizes the LAUNCH X431 truck upgrades for March and April 2026. The updates apply to X431 diagnostic tools with the Heavy Truck Diagnostic Function enabled. Caterpillar: V12.50 New Features Added functions including manual aftertreatment regeneration procedure, vibration system test and other features. Problem Fixes Fixed some known issues. Shaanxi Automobile (SHACMAN): V11.85 New Features Added version information, fault codes and special functions for SHACMAN 6000 -> ESCL (Electronic Steering Column Lock); Added version information, fault code library, actuator test and special functions for SHACMAN 6000 -> ADCsy (By-Wire Chassis System); Added automatic scanning for SHACMAN new energy vehicle models. Optimized Functions Optimized the automatic scanning function for SHACMAN diesel vehicle models. Shaanxi Automobile New Energy (SHACMAN New Energy): V10.45 New Features Added automatic scanning and ABS system for SHAC...

LAUNCH X431 G5 IMMO Programmer Preview: Upgrade of XPROG3

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 LAUNCH X431 is developing a new IMMO programmer: the X431 G5. Judging from its features and name, the G5 is likely a new addition to the XPROG3 (G3) . This article will briefly introduce the features of the X431 G5. NOTE : The LAUNCH X431 G5 is not yet available for purchase; there may be some adjustments upon its official release. Which X431 diagnostic tools does the LAUNCH X431 G5 support? The X431 G5 can be used with the X431 PAD series ( X431 PAD V ELITE , PAD VII ELITE , PAD IX), as well as comprehensive diagnostic tools such as PRO3 V+ ELITE / PRO3S+ ELITE . Q: How do I use the PC software for the LAUNCH X431 G5? Can I use the XPROG3 (G3) PC Adapter with the G5 to connect to my computer? A: The LAUNCH X431 G5 can connect directly to the computer; a PC Adapter is no longer needed. Can the LAUNCH X431 G5 completely replace the X431 Key Programmer for key generation? A: Yes, the LAUNCH X431 G5 supports key generation and can be used in conjunction with the X43...

LAUNCH X431 PRO3S+ Elite Fixed Hyundai Tucson P090B78 DCT

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 The Launch X431 PRO3S+ Elite is a high-performance diagnostic tool built for 2022+ vehicle architectures. I recently used it on a 2022 Hyundai Tucson (NX4) experiencing a common dual-clutch transmission (DCT) failure: loss of even gears and reverse. The scanner’s bi-directional controls and Smartlink Jbox were essential for pinpointing the fault without an expensive teardown. Fast Diagnostics with Topology Mapping Smartlink Jbox & Auto VIN: The tool immediately identified the 1.6T GDI Tucson and its specific chassis configuration. Topology Map: Provides a visual CAN bus layout, showing the communication status of every module at a glance. Real-time Monitoring: I used the scanner to check OBDII pin voltages (Pins 16, 14, and 6) to rule out bus communication errors early. Pinpointing DTC P090B78 The scanner identified P090B78 (Clutch B Actuator Control Circuit Performance). To decide between a clutch pack replacement or a simpler actuator fix, I used: C...

Resolve LAUNCH CR3001 Firmware Upgrade Error Code 600401-2

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  Problem : When updating my LAUNCH CR3001 ( Creader 3001 ) using the update software, I encountered error code 600401–2, which displayed the message "Incorrect serial number, please check." I have already entered a 12-digit number, but the system still cannot recognize the serial number, preventing me from updating the firmware. What could be the reason? Answer : Generally, you don’t need to enter a serial number to upgrade the LAUNCH CR3001 firmware. Please make sure the downloaded upgrade software is correct. For the CR3001, you download the "DIY integration upgrade tool" from the official website [ https://en.cnlaunch.com/download/ ] to upgrade. NOTE : The CR3001 comes with the latest firmware at the factory and usually does not require an upgrade. If you need to reinstall the software/firmware, please refer to: http://blog.x431shop.eu/launch-x431-creader-3001-upgrade-operation-guide/

LAUNCH CRT5011 V2: Replace Benz C260L Tire Pressure Sensor

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 The LAUNCH Creader TPMS 5011 V2 (CRT5011 V2) supports tire pressure sensor replacement in Mercedes-Benz vehicles. This article will describe how to replace the tire pressure sensor in a 2021 BENZ C260L (we recommend using the original tire pressure sensor/ LAUNCH LTR Sensor ). Tested Model: 2021  -  BENZ  - C260L Operating procedures: 1) Click [TPMS] , then enter keywords in the top search bar of 5011 V2 , such as "me" for Mercedes. You will see matching vehicle brand names appear, and then choose [MERCEDES] . 2) Choose choose the menu for the class and model: [C Class] -> [2015/07–2021/05(433MHz) [C205]] . Note: If multiple menus exist for the same model year, try another one if activation fails. 3) Choose [Active] to activate the four tire pressure sensors. The FR, RR, and RL wheel sensors are successfully activated, but the FL wheel sensor fails to be activated, so it is confirmed that the FL wheel sensor is damaged. 4) Remove the failed sensor...

How to do A/C Relay Actuator Test on Sany C8 with X431 PAD5

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 This guide provides a straightforward walkthrough for performing an A/C Relay Actuator Test on a 2020 Sany C8 using the Launch X431 PAD5 Elite . This diagnostic procedure is essential for verifying relay functionality and troubleshooting climate control issues in heavy-duty machinery. Prerequisites for Testing Before starting the test, ensure the following conditions are met to avoid execution failure: Ignition Status: T15 must be powered on. Engine State: Engine speed must be 0 RPM. Vehicle Movement: Vehicle speed must be 0 km/h. Duration: The test will automatically stop after 30 seconds. Step-by-Step Operation Guide Step 1: Vehicle Selection Navigate to Local Diagnose >> Construction >> Sany Tap OK to enter the diagnostic menu. Step 2: System Identification Go to Engine System >> Weichai Engine >> Automatic recognition >> Weichai engine automatic recognition >> WISEC10-P201-V174 Click OK to confirm vehicle information....