VAWS V4.0
The VAWS V4.0 covers every Audi / Bentley / Bugatti / Lamborghini / SEAT / Skoda / VW / VW Commercial Vehicles / VW LT3 / MAN Light-Duty system — from engine and transmission to airbag, ABS, and ECU adaptations — with full bidirectional control, 43 service functions, and lifetime free software updates. Compatible with V.A.G group from 1996 to 2025.
Unbox it for the entire V.A.G group — then claim two more brands, free.
The iCarsoft VAWS V4.0 comes pre-installed with software for V.A.G group, making it ready to use right out of the box. 2 further vehicle groups can be downloaded when you need it free of charge.
Pre-installed
Free Downloads
Downloaded free of charge, whenever you need them — no extra cost, ever.
Total Coverage
Pay once and cover the brands you actually service — far beyond the V.A.G group.
Vehicle Groups Available for Selection
PICK ANY 2 · FREE OF CHARGEIt doesn’t just read codes — it commands your car.
The VAWS V4.0 doesn't just read codes—it talks directly to your car. This professional-grade scanner sends active commands straight to individual vehicle modules and watches them respond in real time, bypassing the cabin switches entirely.
Cycle the ABS Pump Motor
Run Window Regulators
Activate the Fuel Pump
Open the Throttle
Cycle the EGR Valve
Command the Fuel Injectors
Trigger the Cooling Fans
Sequence Transmission Solenoids
⚠ Compatibility Notice: And More · 22+ active tests across every onboard system — and growing with each update.
Recode and personalize — the way a dealer would.
Engineered for ultimate precision, the VAWS V4.0 delivers extensive ECU coding capabilities for major VAG models from 2010 onward. (Full-system diagnostics and service functions cover models from 1996 to 2025.) To ensure a seamless user experience, it features a dedicated, standalone [Coding] function menu built directly into the diagnostic software for quick, intuitive access—eliminating complex navigation and putting dealer-level customization right at your fingertips.
Code the ECU based on your vehicle's factory or custom attributes, including body style, trim variant, steering wheel position (LHD/RHD), and fuel type.
Write original vehicle configuration data into a newly replaced ECU module, seamlessly resolving faults caused by coding mismatches.
- Modify country/regional coding settings.
- Change vehicle brand identifiers within the system.
- Update and refresh the vehicle's ECU installation list.
- Adjust daytime running lights (DRL) switching logic.
- Customize automatic central locking timing and preferences.
A 5-inch Android tablet built to run all day in the bay.
iCarsoft VAWS V4.0 car diagnostic tool is equipped with a 5-inch HD Touch Screen, Android operating system, Quad Core 1.3 GHz processor, 32GB memory and a 5000mAh battery for around 6 hours of continuous use. It offers a user-friendly interface and an ultra-smooth diagnostic experience.
Pay once. Upgrade forever — no subscription, ever.
Unlike other OBD scan tools on the market that require annual subscription fees, the VAWS V4.0 offers lifetime free software upgrades. Updates are delivered wirelessly via Wi-Fi, with new diagnostic protocols and vehicle model coverage continuously released.
UPDATE PLANReady for the newest V.A.G group communication standard.
CAN-FD (Controller Area Network – Flexible Data-rate) is a next-generation automotive communication protocol adopted by Audi / Bentley / Bugatti / Lamborghini / SEAT / Skoda / VW / VW Commercial Vehicles / VW LT3 / MAN Light-Duty.
Plug in. Your VAG vehicle names itself in seconds.
Skip the manual VIN typing — simply plug in, and the tool identifies your vehicle in seconds. No typos, no extra lookup time. This boosts accuracy, eliminates input errors, and delivers a smoother, more reliable diagnostic experience.
Diagnose in your language, wherever you wrench.
Far more than a basic code reader.
The VAWS V4.0 is far more than a basic code reader. It integrates 9 commonly-used service functions for daily maintenance and 34 advanced professional functions for complex repair tasks.
Allows you to reset the engine oil life system, service lamp, service mileage, and service intervals after an oil change.
Relearns throttle valve control parameters after resetting or replacing the throttle body.
Retracts the electric parking brake calipers and resets the brake pads after replacement.
Calibrates the steering wheel to the straight-ahead position, or re-calibrates the SAS after steering component replacement.
Performs DPF regeneration, component replacement initialization, and DPF relearning after engine control unit replacement — for diesel particulate filter systems.
Relearns the injector control parameters when an injector is renewed or replaced.
Bleeds air from the system to restore ABS brake response, or performs a relearn procedure after ABS replacement.
Supports calibration, height adjustment, system reset, and fault code clearing for air suspension systems. Lets you precisely set ride height, perform system initialization, and resolve common air suspension faults.
Evaluates the battery charge state, monitors closed-circuit current, registers battery replacement, and activates the vehicle's sleep mode.
Allows you to look up the tire sensor IDs from the vehicle's ECU, inputting TPMS sensor replacement IDs and testing sensors.
Supports routine maintenance of A/C modules, including A/C system adaptation reset, compressor reset, compressor break-in, and stepper motor initialization.
Initializes the adaptive headlamp system.
Supports routine maintenance of DSC modules, including resetting or deleting adaptation values, and initializing the unit.
Supports routine maintenance of engine modules, including resetting or deleting adaptation values, and calculating fuel consumption.
Supports routine maintenance of transmission modules, including resetting adaptation values and transmission fluid level adaptation.
Performs calibration after repairing or replacing the SEAT position drive motor.
Activates the fuel pump after replacement.
Resets airbag data to clear the airbag (SRS) warning light after a collision.
Anti-theft Matching, disable any lost keys and add new keys. ONLY for vehicles with basic Immobilizer system.
Adjusts the engine idle speed.
Performs turbocharger learning after component replacement, or resets stored learned values.
Recirculates a portion of engine exhaust gas back into the intake system.
Performs full calibration after window lift motor repair or replacement.
Resets the AdBlue (urea) level counter after the diesel exhaust fluid is refilled or replaced.
Performs crankshaft position learning and related calibration after engine repair.
Learns the clutch contact point and engagement position where the clutch begins to transmit engine torque. Applicable after ECU replacement, transmission removal/replacement, or clutch replacement. For adaptive clutches only.
Used for learning and calibration of heads-up display.
Supports EV/hybrid high-voltage battery maintenance, including replacement adaptation and status monitoring.
Performs adaptive cruise control (ACC) calibration and personalization.
Changes the vehicle's system language.
Resets NOx sensor-related learned values (e.g., catalytic converter parameters) stored in the ECU.
Set up the automatic start-stop function in ECU.
Performs radar and camera learning and calibration (ADAS).
Personalize your vehicle's driving and comfort preferences.
Tests each engine cylinder individually by disabling its fuel supply — useful for diagnosing cylinder-specific issues such as misfires or low compression.
Identifies engine misfires, addressing issues like sluggish acceleration, high fuel consumption and severe vibration.
Sets or removes the vehicle's maximum speed limit.
Performs full reset and initialization of vehicle control units after part replacement or fault repair, clearing stored data and restoring normal module operation.
Supports oxygen sensor replacement adaptation and initializes the three-way catalytic converter learned values.
Performs SEAT belt pretensioner reset and related maintenance after airbag deployment.
Performs service operations including GPF replacement and regeneration.
Checks and compares odometer data stored across multiple ECUs to detect mileage tampering.
Reads and matches the VIN across all vehicle ECUs to detect inconsistencies or unauthorized module replacement.
Additional service functions are available in the Miscellaneous section.
Reach every ECU — not just the four standard systems.
In addition to the four standard systems (Engine, ABS, Airbags, and Transmission), the VAWS V4.0 provides diagnostic coverage for more complex vehicle systems.
Dealer-grade adaptations, right in your hands.
Reset factory parameter values for individual control modules, components, and sensors to restore optimal operation.
Perform adaptive learning, resets, and calibrations for control modules while modifying critical data parameters.
Code control modules and write vehicle configuration data into the ECU, such as steering orientation (LHD/RHD), body type, and emission standards.
Authenticate and perform secure logins to unlock write-protection on specific control modules.
Every emission check, all ten modes, ready to pass.
Supports all 10 OBD2 test modes for vehicles compliant with 1996+ OBDII/EOBD/JOBD/KOBD/CAN/CAN-FD standards: Read Codes, Erase Codes, I/M Readiness, Live Data, Freeze Frame, Vehicle Information, O2 Monitor Test, On-Board Monitor, and EVAP System Test.
Save it, share it, print it — every job on record.
Users can quickly access previously tested vehicle systems and save, share, and print diagnostic reports.
Diagnostic History
Quickly access previously tested vehicle systems and earlier scan results.
Save & Share
Save and share full diagnostic reports with customers or colleagues.
Print Reports
Connect the device to a Windows PC via USB and print diagnostic data for future reference.
Feedback Function
Use the Feedback function to report issues encountered during use — our technical team will review and provide assistance.
Every detail, on the record.
| Operating System | Android |
| Processor | Quad Core 1.3 GHz |
| Storage | 32GB |
| Display | 5-inch LCD capacitive touchscreen with 854x480 resolution |
| Connectivity | USB 2.0 / Wi-Fi (2.4GHz) / OBDII |
| Power | 9-18V |
| Operating Current | ≤500mA |
| Battery Capacity | 3.7V 5000mAh 18.5Wh |
| Tested Battery Life | Around 6 hours of continuous use |
| Type C Input | 5V / 2A |
| Power Consumption | 500mA (LCD on with default brightness, Wi-Fi on) @3.7 V |
| Operating Temp. | 0 to 50°C (32 to 122°F) |
| Storage Temp. | -20 to 70°C (-4 to 158°F) |
| Operating Humidity | 5% - 95% non-condensing |
| Dimensions (W x H x D) | 200 × 116 × 30.2 mm (7.87 × 4.57 × 1.19 in) |
| Net Weight | ≈ 380 g |
Everything you need, right in the box.
Note: Use the charger you already own — no extra e-waste. The VAWS V4.0 can be charged using any standard USB-C charger (5V/2A recommended) or a computer's USB port.
See how far V4.0 pulls ahead of V1.0, V2.0 and V3.0.
Every VAWS scanner carries the same trusted V.A.G group coverage — V4.0 adds the 5-inch touchscreen, Wi-Fi updates, full bidirectional control and the complete set of high-level service functions.
| Feature | VAWS V1.0 | VAWS V2.0 | VAWS V3.0 | VAWS V4.0 |
|---|---|---|---|---|
| Coverage | Audi Bentley Bugatti Lamborghini SEAT Skoda VW VW Commercial Vehicles VW LT3 MAN Light-Duty | Audi Bentley Bugatti Lamborghini SEAT Skoda VW VW Commercial Vehicles VW LT3 MAN Light-Duty | Audi Bentley Bugatti Lamborghini SEAT Skoda VW VW Commercial Vehicles VW LT3 MAN Light-Duty | Audi Bentley Bugatti Lamborghini SEAT Skoda VW VW Commercial Vehicles VW LT3 MAN Light-Duty +2 additional vehicle make groups free of charge |
| Display Size | 3.5 inches | 4 inches | 4 inches | 5 inches |
| Interaction | Physical Buttons | Physical Buttons | Physical Buttons | Touchscreen |
| System Access | Full systems | Full systems | Full systems | Full systems |
| Update Method | USB | USB | USB | Wi-Fi |
| Free Lifetime Updates | ✔ | ✔ | ✔ | ✔ |
| Bi-directional / Active Test | ✘ | ✘ | ✔ | ✔ |
| Oil Service Reset | ✔ | ✔ | ✔ | ✔ |
| SAS Reset | ✔ | ✔ | ✔ | ✔ |
| EPB / Brake-Pad Reset | ✘ | ✔ | ✔ | ✔ |
| Electronic Throttle Control | ✘ | ✔ | ✔ | ✔ |
| DPF Regeneration | ✘ | ✔ | ✔ | ✔ |
| Injector Coding | ✘ | ✔ | ✔ | ✔ |
| ABS Bleeding | ✘ | ✔ | ✔ | ✔ |
| BMS Reset | ✘ | ✔ | ✔ | ✔ |
| TPMS Reset | ✘ | ✔ | ✔ | ✔ |
| 34 High Level Service Functions | ✘ | ✘ | ✔ | ✔ |
Check your connection before you order.
Standard 16-Pin OBD2
Built in on every VAWS V4.0 — plug-and-play on V.A.G group models equipped with the standard 16-pin OBD2 diagnostic port. No adapter needed.
Full V.A.G Group
Full-system coverage for Audi, VW, SEAT, Skoda, Bentley, Bugatti, Lamborghini and MAN Light-Duty from 1996 to 2025 — engine, transmission, ABS, airbag and ECU adaptations.
Two More Make Groups
Download any 2 of the additional vehicle make groups free of charge, whenever you need to service brands beyond the V.A.G group.
Not sure whether your vehicle is supported? Send us your VIN and our support team will confirm coverage before you buy.
Verify by VIN →Everything you need to know.
Watch it work — reviews from drivers & pros.
Independent YouTube reviews of the VAWS V4.0 from V.A.G group owners, mechanics and channels — see the unit running live diagnostics, bidirectional tests and full-system service functions on real cars before you decide.
These are independent reviews hosted on YouTube — each reflects the creator’s own opinion, not a paid endorsement. Videos load only when you press play, so the page stays fast.
Manual & software updates.
Download the user manual, check the full function & vehicle coverage list, and review warranty & returns before you buy.
Multi-Language User Manual
The complete user manual for the VAWS V4.0 — setup, full-system diagnostics, service functions and troubleshooting.
Function List & Vehicle Coverage
See exactly which V.A.G group models and functions the VAWS V4.0 supports, by system.
Warranty & Returns
Backed by the iCarsoft manufacturer warranty. Review the full warranty terms and the returns & refunds policy.
Available through authorized sellers.
The VAWS V4.0 is sold through authorized iCarsoft sellers worldwide. Contact our team to confirm compatibility for your vehicle, check stock, or find your nearest authorized distributor.
Interested in the VAWS V4.0?
This page is for product information. Tell us what you need and our team will get back to you shortly — to confirm vehicle compatibility, request a quote, or find your nearest authorized dealer.
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