Autoland Scientech USA, Inc.

05/28/2026

This video demonstrates how to program and commission a 4th generation FBS4 Mercedes Benz 722.9 VGS4 conductor plate using the iSCAN NX without requiring factory Xentry access or remote Support On Demand services.

Traditionally, programming a Mercedes 722.9 FBS4 conductor plate required OEM tools and theft authorization procedures through the factory system. Using the iSCAN NX together with the EM-C1 Y cable and MB-V4N2-C1 transmission component cable, technicians can now perform ECU cloning and programming in-house on supported applications.

The process uses a simultaneous connection to both the vehicle and the original transmission control unit. The original VGS4 conductor plate remains installed during the initial read and data transfer process while information is cloned to the replacement ECU. Once the transfer is complete, the replacement conductor plate can be installed and final commissioning procedures performed.

This workflow is especially valuable for shops replacing Mercedes 722.9 conductor plates, programming used donor transmission control units, or performing FBS4 transmission repairs without relying on dealer-level tooling.

The video also covers important setup and programming considerations including:

Proper use of the EM-C1 Y cable
MB-V4N2-C1 transmission connection cable setup
Stable power supply requirements
Wired communication between NX and VCI
ISM considerations when using donor transmission assemblies
Final adaptation and selected gear teach-in procedures

The ability to directly clone and commission Mercedes transmission ECUs using dedicated component cables and OE-level workflows is one of the advanced programming features available with iSCAN NX.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

https://www.youtube.com/watch?v=zKoflwJljVk

This video demonstrates how to program and commission a 4th generation FSB4 Mercedes Benz 722.9 VGS4 conductor plate using the iSCAN NX without requiring fac...

05/26/2026

Land Rover Electronic Parking Brake EPB Frozen Brake Caliper Releasing | L460

Land Rover L460 models are equipped with an electronic parking brake (EPB) system. An electric actuator works in conjunction with the rear brake caliper to clamp the rear brake pads when the parking brake is applied.

A vehicle with a faulty EPB actuator or frozen caliper will prohibit your ability to enter parking brake service mode. In that situation, you can manually release the caliper to perform maintenance or repair.

Keep in mind, when replacing an EPB actuator or caliper, you will first enter ABS assembly mode. See our video on ABS assembly mode.

In this video we will provide an overview of the process on one side of the vehicle. In the event of a vehicle with no electrical power, you will need to perform this on both sides.

When complete, be sure to enable assembly and perform an EPB calibration using your iSCAN device.

iSCAN NX: https://www.iscantech.com/nx

Need help with a diagnostic issue. contact iSCAN Support On Demand SOD: https://www.iscantech.com/sod/

https://www.instagram.com/reel/DL424ANOS3h/?utm_source=ig_web_copy_link&igsh=NTc4MTIwNjQ2YQ==

05/25/2026

Fault Code Testing 48 Volt Integrated Starter Alternator (ISA) Mercedes-Benz Mild hybrid

In this video we’re going to illustrate how to test the integrated starter alternator or ISA used by Mercedes-Benz 48 volt mild-hybrid vehicles.

The ISA has 3-phase windings with 18 coils, one side for the starter and one for the alternator. You’ll need to perform this test when a fault code is stored to either condemn or rule out the ISA as the cause.

Common fault codes for Electric Machine A or Electric Machine B N179 ISA:
P0A6400 The current value of phase W of electric machine A is too low.
P0C1900 The torque of electric machine A deviates from the specified value

You’ll need a four-way milli-ohm test meter, like this Gossen MetraHit or the Mercedes-Benz approved Hioki meter.

In this test, we will test each leg of the ISA to check resistance in the milli-ohm range.

Test specs for each leg of the ISA:
Phases U to V, then V-W and then W - U: 9.1 milli-ohm plus or minus 0.3
Phases X - Y, then Y - Z and then Z - X: 8.7 milli-ohm or minus 0.3

If any of these values are out of spec, the ISA is faulty and will need to be replaced.

05/22/2026

What iSCAN NX Can Do That Xentry Won’t - Fix Mercedes Coding Mismatch Problems

Many Mercedes Benz technicians are familiar with the limitations built into the factory Xentry workflow. Certain programming paths, module replacements, and recovery procedures are restricted by factory guardrails that can limit repair options in the aftermarket.

This video highlights how iSCAN NX gives technicians more flexibility when working with Mercedes Benz control modules, coding, and programming functions.

With iSCAN NX, technicians can perform advanced in-device operations including:

Individual module coding
Used module overwrite procedures
Module recovery using original ECU data
Coding mismatch correction
Data transfer between donor and replacement modules
Advanced Mercedes ECU programming workflows

One example shown in this video involves a Mercedes ETC transmission control module with a no communication condition. Using a working donor module, data can be read and transferred to a replacement module, allowing the technician to recover important transmission and shift data during the commissioning process.

These types of advanced recovery functions can help shops solve problems that are difficult or impossible through standard factory workflows alone.

For independent repair facilities working on Mercedes Benz vehicles, having access to flexible OE-level programming and coding functions can mean the difference between replacing additional components, sending the vehicle to the dealer, or completing the repair in-house.

This video demonstrates how iSCAN NX can be used as a practical solution for Mercedes module recovery, transmission ECU replacement, and advanced coding situations.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

05/18/2026

Mercedes Benz Power Tailgate One Touch Failure Solution

If the one touch power liftgate button stops working on a Mercedes Benz vehicle, the problem may not be the latch, switch, or liftgate motor. In many cases, the issue is related to outdated SCN coding or a software update identified in a factory technical service bulletin.

This video explains how a liftgate operation problem can often be corrected by checking for applicable Mercedes Benz TSB information and performing an SCN coding update using the native coding and programming capabilities built into the iSCAN NX.

On certain Mercedes platforms, updated software calibration is required to restore proper one touch liftgate operation. After the SCN coding process is complete, the liftgate system must also be normalized so the control module can relearn the tailgate operating limits and positions.

The video demonstrates the normalization process and explains why this final step is important after programming or coding updates are performed.
This type of issue highlights how many modern Mercedes Benz convenience system faults are software related rather than mechanical failures. Having access to OE-level coding and programming functions allows shops to diagnose and repair these problems quickly in-house without unnecessary parts replacement.

If you are diagnosing a Mercedes Benz power liftgate problem, one touch tailgate malfunction, or intermittent trunk operation issue, checking for coding updates and normalization requirements should be part of your diagnostic process.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

05/14/2026

M256 Engine - Misfire Fault P035596 Do Not Replace Coils Before Checking This

This video covers an important diagnostic warning for Mercedes Benz M256 engines showing fault code P035596, commonly associated with a cylinder 5 ignition or misfire fault.

Many technicians see this fault and immediately replace ignition coils and spark plugs. While those components can fail, another growing issue on M256 engines is degradation of the engine wiring harness near the ignition system.

Heat exposure, tight harness routing, and repeated thermal cycling can cause the wiring insulation to become brittle and crack, especially near ignition coil connectors and areas where the harness flexes. In some cases, simply moving the harness during spark plug or coil replacement can expose damaged insulation or aggravate an existing short.

If the damaged wiring shorts internally or to ground, the result may not only be a recurring misfire, but possible damage to the ME engine control module itself.

This video explains where to inspect the harness, common areas where insulation failure appears, and why identifying the root cause before replacing ignition components can prevent expensive repeat failures and unnecessary module replacement.

When diagnosing P035596 or other M256 cylinder-specific ignition faults, always inspect:

Coil connector wiring
Harness bends and stress points
Heat affected sections near the exhaust and turbocharger
Cracked, brittle, or shedding insulation
Signs of previous harness movement or repair

Catching harness degradation early can save the customer significant cost and prevent a simple misfire diagnosis from turning into a major engine electronics repair.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

05/07/2026

How to Use Porsche VT4G with J2534 iSCAN NX Setup and Programming

Modern Porsche vehicles require access to factory-level diagnostic platforms to complete advanced service, coding, and programming tasks. VT4G is Porsche’s official online diagnostic system designed for aftermarket use, delivering OEM-level capability through a cloud-based environment.

In this video, we show how the iSCAN NX works as a J2534 pass thru interface, allowing your shop to connect directly to VT4G without the need for a traditional dealer tool. This setup gives independent technicians access to factory diagnostics, module programming, and coding functions on late model Porsche vehicles.

VT4G runs through Porsche’s Central Service System and requires an active subscription and online connection. When paired with a compatible interface like the iSCAN VCI, it becomes a powerful solution for shops that want to handle complex Porsche repairs in-house.

For shops looking to implement VT4G, iSCAN by Autoland provides support with system setup so you can integrate factory software into your workflow. If direct access is not available, Support On Demand allows remote specialists to connect through your device and complete programming or diagnostic tasks for you.

This approach gives you the flexibility to take on more Porsche work, reduce outsourcing, and maintain control of the repair process.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

05/03/2026

Porsche EPB Service Mode Mistake to Avoid

Porsche electronic parking brake systems differ across models, and understanding how each system operates is critical before starting any rear brake service.

On certain platforms, activating parking brake service mode or commissioning initiates a full multi-step routine that includes air gap adjustment, grind-in, and final calibration. Once that process is started, it must be completed. Interrupting or entering it unnecessarily can lead to faults or additional work.

If you are performing a simple rear pad replacement on systems that use this multi-step routine, it is often best to avoid entering service mode altogether. That process is intended for rotor or parking brake shoe replacement, not basic pad service. Using it when it is not required can create complications and force a full recalibration.

Before beginning any work, verify proper parking brake operation. Apply and release the brake multiple times and confirm the indicator behaves normally. A flashing indicator points to an existing fault that should be addressed before service.

It is also important to check module coding. Missing values or incorrect coding can cause failures during service routines and prevent procedures from completing successfully.

Stable vehicle voltage is another key factor. Low or unstable voltage is one of the most common reasons electronic brake procedures fail, so a proper power supply should always be connected.

On newer model year vehicles, additional security layers may be in place. Some systems require SFD unlock before allowing certain functions, so confirming access before starting the job is important.

For systems that require air gap adjustment, aim for the middle of the specified range and verify the measurement again after actuating the parking brake.

The main takeaway is to identify the system before starting and only perform the procedures that are required. Avoiding unnecessary steps helps prevent faults, saves time, and ensures a successful repair.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

04/30/2026

Porsche’s VT4G, or Virtual Tester 4th Generation, is the current OEM diagnostic and programming platform designed for modern Porsche vehicles in the aftermarket. It delivers factory-level capability through a cloud-based system, similar to the PIWIS tester used at the dealer level.

For independent shops, access to this level of diagnostics can significantly expand service capability. VT4G allows technicians to perform advanced functions such as module programming, coding, and system diagnostics on late-model Porsche vehicles.

At iSCAN by Autoland, we support shops that want to bring this capability in-house. For those looking to run VT4G directly, we can assist with proper computer setup and configuration so the software integrates into your workflow. If direct access is not available, Support On Demand can be used to remotely complete programming and diagnostic tasks through your iSCAN device.

VT4G operates through Porsche’s Central Service System and requires a valid subscription through the Porsche Partner Network. Shops must create an account and select the appropriate subscription for diagnostics and programming, with an optional subscription available for repair information and service procedures.

The platform is designed to meet Right to Repair requirements and is compatible with supported Windows 10 and Windows 11 Pro systems. Communication with the vehicle is handled through a J2534 pass thru interface, making interface compatibility an important part of the setup.

Many advanced features are secured and require additional authorization. To access these functions, shops must obtain a valid NASTF LSID and apply for FAZIT security approval. These secured functions include SFD unlock for restricted service operations, component protection programming such as transmission or infotainment modules, and key or immobilizer programming.

The approval process for security access can take time, and shops should plan accordingly before attempting these functions.

For shops that want to expand their Porsche capabilities, VT4G combined with a compatible interface like iSCAN NX provides a path to complete advanced diagnostics and programming in-house, reducing the need to outsource work.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

https://youtu.be/0zxQ6dVvuC8

Porsche VT4G Explained Setup Requirements J2534 SFD and Programming Guide

04/27/2026

Porsche electronic parking brake systems are not uniform across models, and recognizing the differences is essential before starting any rear brake job.

Each design uses a different combination of mechanical components and electronic control, which means the retraction process, adjustments, and calibrations will vary depending on the system. Using the correct scan tool functions is critical to avoid faults or repeat repairs.

With iSCAN NX, technicians have access to OE-level parking brake service functions, but the first step is identifying which system is on the vehicle.

Type 1 systems use a brake rotor with an internal drum and separate actuators on both rear wheels. These actuators operate parking brake shoes inside the drum, creating a hybrid system that requires both mechanical adjustment and electronic control. Service typically involves setting the assembly position, adjusting air gap, performing a grind-in procedure, and completing calibration. Vehicles with ceramic brakes skip the grind-in step. This setup is the most complex and requires proper scan tool workflow and mechanical setup to avoid issues. Many technicians choose not to initiate full service mode unless necessary when performing basic pad or rotor replacement.

Type 2 systems, used on models like the Macan 95B and Taycan 9J1, eliminate the internal drum and instead integrate the parking brake directly into the caliper. These systems rely entirely on electronic actuation. The service process is simpler, typically involving actuator retraction through commissioning mode and a calibration procedure. There is no air gap adjustment or grind-in required, making this system more straightforward when using guided scan tool functions.

Type 3 systems, found on newer platforms like the Panamera 976 and 911 992.2, use a single actuator mounted on the left side. This actuator controls the left brake directly and operates the right side through a mechanical cable and equalizer. This design requires careful attention to both actuator operation and mechanical balance between both sides. Service procedures include initialization, mechanical adjustment, and calibration.

Because Porsche uses multiple EPB system designs, applying the wrong service routine can lead to improper brake function, drag, or fault codes. Knowing the system and using the correct scan tool workflow is key.

iSCAN NX provides the OE-level capabilities needed to service these systems correctly, helping shops complete Porsche brake work in-house with confidence.

NX device details, Support On Demand (SOD), and updates are available at iscantech.com.

https://www.youtube.com/watch?v=yY-w_Gja_d4

Porsche EPB Service Guide Parking Brake System Types and Retraction Steps