iCarsoft US V4.0 for American Vehicle Makes
Dealer-Level US Cars Diagnostics. Trusted Worldwide.
The iCarsoft US V4.0 delivers comprehensive diagnostics across all major onboard ECUs — including the engine, transmission, ABS, and SRS/Airbag. Built strictly for serious DIYers and independent repair shops, this powerhouse goes far beyond basic code reading to provide OE-level ECU coding, advanced adaptations, and full bidirectional control.
- Advanced Bi-Directional Control
- 41 Service Functions
- CAN-FD Supported
- Lifetime Free Updates
iCarsoft US V4.0 for American Vehicle Makes is backordered and will ship as soon as it is back in stock.
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1-Year Warranty
Hardware coverage
120+ Countries
Global support
Before You Buy
Before You Buy
iCarsoft US V4.0 for American Vehicle Makes
Engineered for American steel.
for Chrysler, for Dodge, for Jeep, for Ford (US Ford, EU Ford, AU Ford), for G.M., for Holden.
A 5-inch flagship, built to work.
iCarsoft US V4.0 car diagnostic tool is equipped with a 5-inch HD Touch Screen, Android operating system, Quad Core 1.3 GHz processor, 64GB storage 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.
Unlike other OBD scan tools on the market that require annual subscription fees, the US V4.0 offers lifetime free software upgrades. Updates are delivered wirelessly via Wi-Fi, with new diagnostic protocols and vehicle model coverage continuously released.
Supports the Latest CAN-FD Protocol
CAN-FD (Controller Area Network – Flexible Data-rate) is the next-generation in-vehicle communication protocol used by many newer cars. The US V4.0 supports CAN-FD on 2020-and-newer GM and Chrysler models.
CAN-FD
The next-generation in-vehicle communication protocol used by many newer cars. The US V4.0 speaks it natively — so the newest ECUs aren't a dead end.
2020+ GM & Chrysler
The US V4.0 supports CAN-FD on 2020-and-newer GM and Chrysler models — so you stay ready as American platforms adopt the new high-speed bus.
It doesn't just read. It commands.
The US V4.0 goes beyond reading codes. With full bidirectional control, you can command individual components and watch them respond in real time — actuate the left low beam, run window regulators, activate the fuel pump, open the throttle, and run output tests on almost every onboard module. Pinpoint the faulty part in minutes, without trial-and-error.
Cycle the ABS Pump Motor
Command the ABS pump and watch it respond in real time.
Run Window Regulators
Activate window regulators and output tests on almost every module.
Activate the Fuel Pump
Trigger the fuel pump on demand to confirm a fault in minutes.
Open the Throttle
Open the throttle and run output tests — no trial-and-error.
Cycle the EGR Valve
Drive the valve open and closed to clear carbon causing a rough idle.
Command the Fuel Injectors
Cut or drive individual injectors in real time to isolate misfires.
Trigger the Cooling Fans
Switch high and low fan speeds on demand to verify relays and motors.
Sequence Transmission Solenoids
Cycle shift solenoids one by one to pinpoint slippage and harsh shifts.
Cycle the ABS Pump Motor
Command the ABS pump and watch it respond in real time.
Advanced ECU Coding: Unlock Your Vehicle's Full Potential
Maximize your workshop's capabilities with our professional-grade ECU Coding feature. Seamlessly bridge the gap between component replacement, software troubleshooting, and personalized driving experiences across Ford, Chrysler, Jeep, and Dodge car groups.
| Vehicle Make / Group | Supported Years | Primary Application | Software Diagnostics Entry Path |
|---|---|---|---|
| For Ford | 2003 – 2023 | Hidden Function Activation & Personalization | Programming ➔ Programmable Parameters |
| For Chrysler / Jeep / Dodge | Specific Years | Alert Logic & Basic Vehicle Settings | Service ➔ Coding |
ECU Coding for Ford
2003 – 2023 · US · EU · AU FordEasily modify core vehicle configurations when upgrading hardware or tailoring localized factory body settings.
Mechanical & Hardware Calibrations
- Tire Size AdjustmentRe-calibrate the speedometer after installing aftermarket tire sizes to maintain accuracy.
- Axle Ratio ConfigurationModify the axle speed ratio to sync with your truck's modified drivetrain.
- Fuel & Storage UpgradesUpdate system profiles when upgrading to a custom/expanded fuel tank or water tank size.
Driving Aids & Security Setup
- Braking System ProfilesToggle Hill Start Assist (HSA) and main braking system configurations ON/OFF.
- Safety AlertsEnable or disable lane departure warning/keep chimes and door-ajar warning indicators.
- Panic Horn LogicCustomize the behavior of the safety horn alert system.
Onboard Personalization & Lighting
- Warning Chimes ControlToggle backup warning chimes and overspeed indicators ON/OFF.
- Smart Lighting LogicAdjust interior courtesy light dimming profiles, and customize headlamp delay duration (door open / ignition off).
- Remote Start ComfortConfigure climate control behavior linking and the under-hood safety switch for remote starts.
- Cabin DisplaysConfigure digital speedometer layouts, switch metric/imperial units, and toggle the external subwoofer output.
ECU Coding for Chrysler / Jeep / Dodge
BCM Convenience & Security ProfilesAccess specialized BCM (Body Control Module) profiles to customize convenience features and security feedback.
Verified Model & Year Coverage
- Chrysler300 (2014) | 200 (2015 – 2017)
- JeepGrand Cherokee (2014) | Cherokee (2014 – 2017) | Compass (2017 Global Variants: M1-Brazil / MP-Mexico / M4-China / M6-India)
- Dodge & RAMJourney (2014 – 2019) | Durango (2014) | Charger (2014) | Dart (2012 – 2016) | Viper (2014 – 2019) | RAM Heavy Duty Trucks (2014: 2500 / 3500 Pickup / 3500 Cab Chassis / 4500 / 5500 / RAM Mexico)
Core Coding Functions
- FOBIK System SafetyEnable or disable the FOBIK (FOB Integrated Key) authentication fail-safe warning alerts to troubleshoot starting glitches.
- Visual & Audio FeedbackToggle optical flash alerts (hazard flashes upon locking) and acoustic sound chirps when arming the vehicle.
- Cluster Warning TextControl and toggle vehicle health warning texts or status notifications on the instrument cluster.
- Hazard Flashers ControlFine-tune and modify the triggering and activation logic of hazard warning light sequences.
Plug in. Identified 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 makes every scan faster and more reliable.
Beyond the four basics. Into every module.
In addition to the four standard systems (Engine, ABS, Airbags, and Transmission), the US V4.0 provides diagnostic coverage for more complex vehicle systems.
Read DTC
Read and Clear DTCs across the engine, transmission, ABS, SRS/Airbag and more — pinpointing faults and resetting warning lights in seconds.
Speaks your language.
The universal OBD scanner US V4.0 supports English, German, French, Dutch, Spanish, Czech, Swedish, Russian, Hungarian, Norwegian, Portuguese, Italian, Polish, Danish, and Finnish.
Far more than a code reader.
The US V4.0 is far more than a basic code reader. It integrates 9 commonly-used service functions for daily maintenance and 32 advanced professional functions for complex repair tasks.
US V2.0 · V3.0 · V4.0
See how the US V4.0 advances on earlier generations — the same trusted US-vehicle coverage, now on a 5-inch touchscreen with Wi-Fi updates, full bi-directional control and 32 high-level service functions.
| Feature | US V2.0 | US V3.0 | US V4.0LATEST |
|---|---|---|---|
| Coverage | Chrysler, Dodge, Jeep, Ford (US Ford, EU Ford, AU Ford), G.M, Holden | Chrysler, Dodge, Jeep, Ford (US Ford, EU Ford, AU Ford), G.M, Holden | Chrysler, Dodge, Jeep, Ford (US Ford, EU Ford, AU Ford), G.M, Holden |
| Display Size | 4 inches | 4.3 inches | 5 inches |
| Interaction | Physical Buttons | Physical Buttons | Touchscreen |
| System Access | Full systems | Full systems | Full systems |
| Update Method | USB | USB | Wi-Fi |
| Free Lifetime Updates | |||
| AutoVIN Identification | |||
| 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 | |||
| 32 High Level Service Functions |
Full OBD2 Test Modes — Emission-Ready
Full Systems Diagnostics
- Read and Clear DTCs
- Read ECU Information
- Read Live Data
- Access all ECU modules via OBDII-16 DLC
- Read and Clear Freeze Frame Data
Full OBD2 Test Modes
Supports all 10 OBD2 test modes for vehicles compliant with 1996+ OBDII/EOBD/JOBD/KOBD/CAN/CAN-FD standards:
Support Diagnostic History and Report Printing
Users can quickly access previously tested vehicle systems and save, share, and print diagnostic reports.
Diagnostic History
Quickly access previously tested vehicle systems and save, share, and print diagnostic reports.
Feedback Function
Use the Feedback function to report issues encountered during use — our technical team will review and provide assistance.
PC Report Printing
Diagnostic data can also be printed for future reference by connecting the device to a Windows PC via USB.
Product Specifications & Packing List
Technical Specifications
What's in the Box
Questions, answered.
Everything DIYers and independent shops ask before putting the US V4.0 to work.
- Persistent hardware faults need physical repair prior to code clearance.
- Some fault codes of systems like SRS and ABS can only be cleared after finishing bidirectional tests.
- Check vehicle compatibility: ensure your vehicle is covered by the US V4.0 — refer to the vehicle coverage above.
- Turn off power-saving: disable any eco / battery-saving modes that might shut down modules during diagnosis.
- Update the device: connect to Wi-Fi and update both the firmware and vehicle software to the latest versions.
- Check ignition: ensure the vehicle key is turned to the "ON" position.
Still not sure? Check your car by VIN → or contact our support team.
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