July 17, 2025
Question: Possible to unlock Toyota Corolla Cross 2023 model 4A smart key? Is there a tool that can unlock 4A Toyota smart keys? Autel, Lonsdor or Xhorse?
Here is the clue.
You cannot unlock it. All these ID4A smart keys are locked. ID 4A can’t be unlocked with most tools yet. Only can be unlocked with mk tool.
Corolla, Corolla Cross and new Camry chip ID 4A is a different family than 8A.4A is hitag 3 with AES encryption.Most cloner can not wake it up so doesn’t see transponder.
Xhorse, Autel, Londsor k518 pro cannot unlock 4A smart key, only 8A. For example, if you havevvdi mini key tool, go to Special function and click on Toyota smart key unlock and insert the smart key into the coil of the tool and it will unlock. You may have to do it over and over again. Read the smart key and it will be unlocked.
But 4A smart key doesn’t need to be unlocked.
If add key, the 4A key does not seem to lock and can be programmed to other cars directly.
If all keys have lost, to program it you have to use KD orLONSDORor TANGO emulators.You program in the emulator, then write it to the used key.
You need to back up the data do all keys lost via simulation even if it’s add key and you’d better use the simulator this bypasses the need for the code.
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July 16, 2025
OBDSTAR released new MITSUBISHI, VAG and Fiat IMMO software in July 2025.
Compatible tools:OBDSTAR X300 Classic G3,X300 Pro4
VW [Version: V45.53]
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Add Read IMMO DATA function(by VW4-AKL cable) for below model:
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VW TIGUAN NEC+95320 873B
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Add proximity key programming function(byC4-06, supported AKL) for below models (which supports online synchronization code calculation):
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VW MOB48-5A D70F3529-V2
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AUDI MOB48-5A D70F3529-V2
- Skoda MOB48-5A D70F3529-V2
- Seat MOB48-5A D70F3529-V2
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Optimized software.
FIAT [Version: V43.15]
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Add Manual Select System BSI (PRE-CODING) CONTINENTAL MPC5606B (ID4A) Show IMMO Info TYPE 2.
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Optimized software.
MITSUBISHI [Version: V41.04]
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Add proximity key programming (All Keys Lost), Read PinCode functionsfor below models (byC4-06):
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AUSTRALIA OUTLANDER (GM#) 2021-
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CHINA OUTLANDER 2021-
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EUROPE OUTLANDER (GM#) 2021-
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JAPAN OUTLANDER (GM#) 2021-
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NORTH AMERICAN OUTLANDER (GM#) 2021-
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OTHER OUTLANDER (GM#) 2021-
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Add proximity key programming (Supported AKL), Read PinCode functionsfor below models (by C4-06):
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OTHER L200 2023-
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AUSTRALIA L200 2023-
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NORTH AMERICAN L200 2023-
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JAPAN L200 2023-
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EUROPE L200 2023-
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CHINA L200 2023-
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July 15, 2025
What is ECUDesk?
It is a program for editing car control unit files (ECU chip tuning).
There are 3 versions of ECUDesk chip tuning software:
What are subscriptions and how do they differ?
ECUDesk Standard vs Premium vs HP+ Version
1.STANDARD–this subscription allows you to edit the firmware of the car in terms of disabling environmental standards and has a limit on the number of successfully downloaded files of20 pieces per day. (20 files per day)
2.PREMIUM–subscription allows you to edit car firmware in terms of disabling environmental standards, has additional functions: turning off the immobilizer, removing the speed limit, disabling system readiness monitoring, disabling the start/stop system. There are no restrictions on the number of downloaded files per day. (No file limitation).
3.HP+ (horsepower)– the subscription includes all the features of a premium subscription, plus the HP+ subscription allows you to identify the stock file downloaded by the client and increase its power and torque*. (SupportsStage 1)
*ECUDesk supports increasing the capacity of only the files that are in its database and are declared in the list of supported control units. If this file is not available, the user can send it to support and the service will add it to the program in 24 hours.
The cost of programs and the cost of an annual subscription
1. STANDARD – $1000
2. PREMIUM – $1,300
3. HP+(horsepower) – $1,500
Annual subscription:
1. STANDARD – $200 per year
2. PREMIUM – $300 per year
3. HP+(horsepower) – $500 per year
Cost of transition:
1. Transition from STANDARD to PREMIUM – $300
2. Transition PREMIUM to HP+(horsepower) – $200
*The price is subject to change and is valid until 01.11.2025.
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July 11, 2025
In this guide, we’ll walk through the process ofreading the CS and PIN code for a Skoda Rapidall-key-lostusing theOBDSTARDC706tool. This method is particularly useful when dealing with immobilizer and key programming issues.
Step-by-Step Procedure
1. Connect the DC706 Tool-
Select Simos PCR 2.1 Protocol
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Check bench wiring diagram with MP001 or P003+
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Connect ECU with P003+ and DC706
2. Read the CS PIN Code
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First connect ECU and read ECU info. It reads ID successfully.
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Navigate to the"Read IMMO Data"option in the DC706 menu.
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The tool will connect to theserverto retrieve theCS and PIN code.
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Once the PIN is extracted,take a screenshotfor reference.
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July 10, 2025
Below is a detailed comparison of theTopdon RLink LiteandAutel MaxiFlash JVCI+J2534 devices
| Feature | Topdon RLink Lite | Autel MaxiFlash JVCI+ |
|---|---|---|
| Purpose | J2534 Pass-Thru Programmer and VCI for OE-level diagnostics, programming, and coding | J2534 Pass-Thru Programmer and VCI for OE-level diagnostics and programming |
| Supported Protocols | D-PDU, J2534, RP1210, DoIP, CAN, CAN FD, J1850, K-Line | J2534-1, J2534-2, CAN FD, DoIP, ISO 9141, ISO 14230, ISO 15765, SAE J1850, K-Line |
| Vehicle Coverage | 13+ brands including GM, Ford, Nissan, BMW, Mercedes-Benz, VAG, Porsche, Toyota, Honda, Subaru, Chrysler, Wuling, Volvo | Broad coverage including BMW, Mercedes-Benz, VAG, GM, Ford, Toyota, Honda, Nissan, and more |
| OE Software Compatibility | Supports OEM software for diagnostics, programming, and coding (e.g., ODIS, Xentry, ISTA, Techstream, GDS2) | Compatible with OEM software for diagnostics and programming (e.g., Techstream, GDS2, FDRS, ODIS) |
| Remote diagnosis | Yes, new feature in 2025. SupportsB/C mode remote diagnosis | No |
| Display | 5-inch LCD touchscreen for user-friendly interface | No display; relies on PC or Autel tablet for interface |
| Operating System | Android 11.0 for standalone operation | None; operates as a pass-thru device connected to a Windows PC or Autel tablet |
| Processor and Storage | 1.8 GHz quad-core, 2GB RAM, 32GB ROM | Not specified; optimized for pass-thru communication |
| Connectivity | USB, Wi-Fi, Ethernet | USB, Wi-Fi, Bluetooth |
| Driver Management | Proprietary DMS (Driver Management System) with one-click driver downloads | Autel Maxi PC Suite for driver management |
| Special Features | Built-in battery, relays key status for VAG/Nissan, rugged design | Compact design, 4 CAN channels, works with Autel tablets (e.g., MaxiSys series) |
| Price | ~$899 (with 13 brand license) | ~$325 |
| Software Included | No OE software; requires separate OEM subscriptions | No OE software; requires separate OEM subscriptions |
| Target Audience | Professional technicians, repair shops, educators | Professional technicians, repair shops, Autel ecosystem users |
| CAN FD/DoIP Support | Yes, supports modern vehicle protocols | Yes, supports modern vehicle protocols |
| Warranty and Support | Lifetime technical support from TOPDON | Support through Autel’s network, often tied to tablet subscriptions |
Autel MaxiFlash JVCI+:
Key Differences
- Design and User Interface
The Topdon RLink Lite features a 5-inch LCD touchscreen and runs on Android 11.0, allowing for standalone operation and a user-friendly interface. This makes it more intuitive for technicians who prefer a device with built-in controls rather than relying entirely on a PC. It also includes a built-in battery, enabling remote diagnostics without constant power supply.In contrast, the Autel MaxiFlash JVCI+ is a compact, display-less device that relies on a connected PC or Autel tablet for operation. Its design prioritizes portability and integration with Autel’s ecosystem, making it ideal for users already invested in Autel tools. However, it lacks the standalone functionality of the RLink Lite.
- Protocol and Vehicle Coverage
Both devices support modern protocols like CAN FD and DoIP, ensuring compatibility with newer vehicle models. They are compliant with J2534 standards (RLink Lite also supports D-PDU and RP1210), making them versatile for OEM software like Toyota Techstream, GM GDS2, Ford FDRS, and VAG ODIS.The RLink Lite boasts compatibility with 13+ brands, including GM, Ford, Nissan, BMW, Mercedes-Benz, VAG, Porsche, Toyota, Honda, Subaru, Chrysler, Wuling, and Volvo. It also offers specialized functions like relaying key status for VAG and Nissan security features.The JVCI+ supports a similarly broad range of brands, with a focus on integration with Autel’s diagnostic tablets. It includes four CAN channels for enhanced communication and has been tested with software like PCMFlash, SPS, FDRS, and ODIS. While both devices offer extensive vehicle coverage, the RLink Lite’s explicit support for additional protocols (D-PDU, RP1210) may give it an edge for certain European vehicles.
- Driver Management and Software
The RLink Lite features TOPDON’s proprietary Driver Management System (DMS), which simplifies driver installation and updates with one-click functionality. This system integrates seamlessly with OEM software and includes built-in operation guides, making it easier for technicians to navigate complex OE software.The JVCI+ uses Autel’s Maxi PC Suite for driver management, which is straightforward but less feature-rich compared to the RLink Lite’s DMS. Autel users benefit from tighter integration with Autel tablets, which may streamline workflows for those already using tools like the MaxiSys Ultra or MS909.
Both devices require separate OEM software subscriptions, and neither includes OE software out of the box. Security-related functions (e.g., immobilizer programming) are locked by NASTF credentials, as mandated by OEMs.
- Connectivity and Performance
The RLink Lite supports USB, Wi-Fi, and Ethernet connections, offering flexibility for remote diagnostics and high-speed data transfer via DoIP. Its 1.8 GHz quad-core processor, 2GB RAM, and 32GB ROM ensure smooth operation and ample storage for drivers and apps.The JVCI+ supports USB, Wi-Fi, and Bluetooth, with a focus on reliable, low-latency communication. Its four CAN channels enhance performance for complex diagnostics, but it lacks the standalone processing power of the RLink Lite.
Which Device Should You Choose?
- You need astandalone devicewith a touchscreen interface and built-in battery for flexibility.
- You work with a wide range of vehicles, including European brands like BMW, Mercedes-Benz, and VAG, and want support for additional protocols like D-PDU and RP1210.
- You’re looking for a cost-effective solution with robust customer support and a user-friendly DMS.
- Remote diagnostics and rugged design are priorities for your workflow.
Choose theAutel MaxiFlash JVCI+if:
- You’re already invested in the Autel ecosystem (e.g., using MaxiSys tablets) and want seamless integration.
- You prefer a compact, lightweight device focused solely on pass-thru functionality.
- You value Autel’s reputation for reliability and want a proven J2534 device for OEM programming.
- You don’t need standalone features and are comfortable relying on a PC or tablet for operation.
User Feedback and Reliability
The RLink Lite is a feature-packed, standalone solution ideal for technicians seeking versatility and affordability. The JVCI+ is a reliable, compact choice for those integrated into Autel’s ecosystem or prioritizing simplicity. By considering your budget, vehicle coverage needs, and workflow preferences, you can choose the device that best enhances your diagnostic and programming capabilities.
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July 09, 2025
Programming a new key for a Lexus GX460, particularly the 2021 model, can be a straightforward process on the surface, but it comes with its share of challenges. This article explores the nuances of key programming for this vehicle, based on real-world experience, and highlights key insights for technicians and enthusiasts alike.
This car is extremely sensitive to the type of keys. It is highly likely that a Chinese key simply cannot be programmed. I tested all possible Xhorse and Autel firmware versions – there was no result… However, only the key generated via Lonsdor worked (here generateLonsdor keywithKW100key tool).
After programming, a problem with synchronization (sync) may occur…
Also in the video I will tell you how to correctly cut an emergency key for this model and share other important nuances.
Why Aftermarket Firmware Fails
The technician tested multiple firmware versions (includingXhorse and Autel), but none worked. Possible reasons:
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Frequency mismatchesin non-OEM keys.
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Software limitationsin generic tools (AutoProPad, Autel, etc.).
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The vehicle’s ECU may block unverified keys.
Solution:If possible, useOEM keysor keys from trusted suppliers. For programmers,Toyota/Lexus-specific tools(e.g., Techstream) are more reliable.
The Lexus GX460, while simple to program in theory, is extremely particular about key compatibility. Aftermarket keys often fail to bind, and technicians may need to resort to OEM keys for guaranteed success. The button malfunction issue, though rare, can be resolved through proper resynchronization. Additionally, key cutting requires attention to blade thickness, with shims offering a practical solution.For those working on this vehicle, the process underscores the importance of preparation, patience, and adaptability. Non-OEM keys may save costs upfront but can lead to multiple failed attempts, as seen in this case. Technicians should also be aware of the synchronization step for button functionality and the nuances of key cutting to ensure a fully functional key.This experience serves as a reminder that even seemingly straightforward tasks can hide unexpected complexities. For anyone facing similar issues, double-checking FCC IDs, using reliable tools like Autel or AutoproAP, and being prepared for firmware challenges can make all the difference.Pro Tip: If you’re working on a Lexus GX460 or similar model, always test the key’s buttons post-programming and have shims ready for key cutting.
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July 08, 2025
Flex, bflash, CMD and many other tools don’t have bench protocol for the Mercedes Continental EMS71 ECU. Autotuner now released an unlock service for the MB EMS71 ECU.
The Mercedes-Benz EMS71 is an Engine Control Unit (ECU) (also known as Engine Control Module) manufactured by Siemens/Continental. It’s primarily found in newer, smaller displacement Mercedes-Benz models, specifically those with the M282 engine, such as the A-Class (W177), B-Class (W247), CLA-Class (C11
, GLA-Class (H247), and GLB-Class (X247). The EMS71 manages various engine parameters like fuel injection, ignition timing, and air-fuel mixture to ensure optimal performance, efficiency, and emissions.
NEWAUTOTUNERRELEASE
Great news for Mercedes owners! AT Remote Unlock service now officially supports theContinental EMS71 ECU, opening up new possibilities for Mercedes vehicles powered by the 1.3T engine.
Once unlocked, you can read and write flawlessly in OBD mode, providing the reliable and efficient experience you’ve grown to trust with Autotuner protocols.
To ensure a smooth process, we have outlined the simple steps below.
How It Works:
Purchase the Service:Visit Autotuner online shop to purchase theRemote Unlock service.
Prepare Your ECU:Carefully open the ECU casing on both sides before sending it to Autotuner.
Required Tools:Heat Gun / Chisel / Tri-lobe S/Driver Set / Torx S/Driver Set / Fastback Compact Flip
Ship It to AT:They will provide you with a shipping label for your package, which includes a scheduled DHL pickup at no extra cost.
Autotuner Unlock It:Upon arrival, their expert team will unlock your ECU.
Ready for Action:They will promptly ship the unlocked ECU back to you, ready for immediate use.
NOTE:
To use this service, you’ll need to ship your ECU to Autotuner’s headquarters for unlocking.
Once the unlock is completed, they will return the ECU to you, ready for OBD read/write operations.
The ECU must be fully openedon both sides, with the circuit board completely separated from the casing.They will not process any closed or partially opened ECUs.
Key Features:
Type: Engine Control Unit (ECU).
Readout: OBD VR.
MCU: TC277.
Write time once unlocked: 1min.
Checksum correction.
Remote unlock needed.
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