YOUCANIC UCAN-II-D PRO OBD2 Scanner | TPMS Programming | AI Powered Full System Diagnostic Tool with Bi-Directional Controls, Coding, Service Functions & Lifetime Updates

~~$850.00 USD~~ $475.00 USD

Your Scanner Just Got Smarter

Built-in AI turns every trouble code into clear, actionable insight so you can diagnose faster, avoid guesswork, and fix vehicles with more confidence.

• AI explanations that break down each trouble code in simple terms.
• Likely real-world causes so you know exactly where to start your diagnosis.
• What to check first so you avoid wasting money on unnecessary parts.
• Built into your scanner no subscription or extra software required.
• Free for all previous UCAN II D owners, simply update your scanner to unlock AI.
• No internet required to diagnose vehicles only. AI recommendations need a connection.

Stop Paying Dealership Diagnostic Fees

Dealer Level OBD2 Scanner With Bi-directional Control And No Subscription

Ever paid 200 to 300 dollars at the dealer only to confirm what you already suspected about a check engine light or ABS warning? Or bought a “full system” scan tool and then found out you must pay a yearly subscription just to clear basic codes?

The YOUCANIC UCAN-II gives you professional-level diagnostics, bidirectional testing, and full system coverage, with no yearly subscription, no brand unlock fees, and a scanner that keeps working even if you never update it again.

200 plus

Typical dealer visit you avoid

150 plus

Global makes covered

40 plus

Service and reset functions

CAN-FD / DOIP

Supports the latest protocols.

Why Most OBD2 Scanners Let You Down

Most generic OBD2 scan tools fit one of these problems:

❌ Too basic – Only read generic engine codes and are useless when you need ABS, airbag, transmission, or body module diagnostics.
❌ Too expensive – Professional shop scanners cost thousands and require years of training.
❌ Too limited – Locked to one brand or needs a constant internet connection just to work.
❌ Too greedy – Brand unlock fees, paid features, and yearly subscriptions just to keep full system access.
❌ Too weak – Still send you right back to the dealership for advanced diagnostics and real bi-directional tests.
❌ Poor support – Support that answers slowly, is only email-based from overseas, and often not even from a real technician.

That Is Why We Built The YOUCANIC UCAN II

The Youcanic UCAN II (current hardware version D) is a full system OBD2 scanner and bi-directional scan tool designed by working technicians in the USA. It gives DIYers, small shops, and everyday drivers the power of a dealer-grade diagnostic scanner without subscription games or complicated software.

Version D of the UCAN II platform includes double the memory, double the internal storage, and around 25 percent more battery capacity compared to earlier units, so scans run smoother and you can work longer between charges.

Core Advantages

✅ NEW - Your scan tool now has built-in AI to show causes and what to check next.
✅ Diagnose every system your vehicle has, just like the Dealer.
✅ No subscriptions and no brand unlock fees at all.
✅ Coding - Code from new injectors, batteries, modules, TPMS and a lot more.
✅ Scanner keeps working even if you never update it again. No internet needed to diagnose vehicles anywhere.
✅ Dealer-level access to all available modules on supported vehicles.
✅ #1 Support - US support with real techs and free lifetime updates.
✅ Free lifetime updates - no subscription required.

Professional Features

✅ New topology map to visualize and scan every control module quickly.
✅ Bi-directional tests for fans, injectors, fuel pump, EPB, throttle relearn, and more.
✅ Dealer level - Full system coverage for engine, transmission, ABS, SRS, TPMS, body, hybrid battery, ADAS, and more.
✅ Simple touchscreen interface that new users learn very fast.

Whether you are a weekend DIY mechanic, a small shop, or simply tired of paying dealer diagnostic fees, the YOUCANIC UCAN-II-D delivers the capabilities of many $2,000 professional scan tools at a fraction of the cost. Beyond the hardware, YOUCANIC provides access to a growing library of free repair guides, diagnostic walkthroughs, and training videos that show how to properly use the scanner and turn diagnostic results into real repairs—something most scan tool brands do not offer.

Universal Vehicle Coverage

95 percent plus

Global vehicle coverage

120+

Car manufacturers supported and thousands of car models.

1996 and newer

Gas, diesel, hybrid, and certain EVs

Up to 3500 series

Trucks like RAM 3500 and F 350. For semi-trucks and equipment, see our UCAN-HD-A scanner.

Complete Vehicle Coverage From 1996 To Present

✓ All major and minor manufacturers worldwide from 1996 to current model years.
✓ European: BMW, Mercedes-Benz, Audi, VW, Volvo, Land Rover, Porsche, Mini, and more.
✓ Asian: Toyota, Honda, Nissan, Hyundai, Kia, Subaru, Lexus, Infiniti, Mazda, and others.
✓ American: Ford, GM, Chevrolet, Chrysler, Dodge, Jeep, Cadillac, Lincoln, Tesla, and more.
✓ Over one thousand vehicle models supported and growing every year.
✓ Regular database updates for new models – free for the life of the scanner.

Check Vehicle Coverage

Advanced Diagnostic Capabilities

System Access And Full System Scans

• Full system diagnostics for all available ECUs.
• Access to every control module, including engine, transmission, ABS, SRS, TPMS, body, hybrid, ADAS, climate, EV battery, and air suspension.
• Real-time sensor data and live parameters.
• Bi-directional controls and active tests.
• Actuator tests and component activation.
• Module identification and ECU details.
• System readiness tests and emission monitors.
• Hardware version check and module info.
• Automatic VIN detection and quick vehicle scan.
• Battery voltage monitoring during diagnostics.
• Special functions and more.

Live Data And Diagnostic Data Analysis

• Live data streaming from multiple systems.
• Four-channel graphing for comparison.
• Record and playback capability for test drives.
• Custom parameter selection.
• Freeze frame data to capture a fault snapshot.
• Oxygen sensor test data and monitoring.
• Emission readiness and I M status.
• Advanced graphing tools and overlays.
• Data logging for deeper troubleshooting.
• Sensor range analysis and minimum and maximum limits.
• Live misfire data and misfire counters where supported.
• EV battery live data, including state of charge and health, on supported hybrids and EVs.
• Real-time voltage and amp graphing for battery and alternator tests.
• Parameter merge comparison tools.
• Sensor range history with minimum and maximum tracking.

More Than 40 Professional Service And Reset Functions

Engine And Transmission

✓ Injector coding
✓ Throttle adaptation
✓ Transmission adaptation
✓ Crankshaft position relearn
✓ Diesel particulate filter regeneration
✓ Idle relearn
✓ Turbocharger adaptation
✓ AdBlue and DEF reset
✓ Camshaft adjustment adaptation
✓ Fuel pump prime and reset
✓ Glow plug control testing
✓ Variable geometry turbo testing
✓ Intake air volume learn
✓ And more engine and transmission functions.

Brake And Safety Systems

✓ ABS bleeding procedures
✓ EPB calibration and service mode
✓ ADAS related calibration support where available
✓ SRS and airbag reset
✓ Steering angle sensor calibration
✓ TPMS programming and relearn
✓ ABS sensor testing
✓ Air suspension and level calibration
✓ Brake pad replacement reset
✓ Hill assist and stability system relearn
✓ Auto hold and brake hold reset
✓ And more brake and safety features.

Electrical And Comfort Systems

✓ Battery registration and replacement reset
✓ Key programming support on many models
✓ Air conditioning system learn
✓ Headlight and lighting system adaptation
✓ Seat calibration
✓ Power window reset
✓ Central locking reset
✓ Climate control reset
✓ Remote window learn
✓ Driver assistance settings for lane keep and blind spot modules where supported
✓ Cluster service reset for reminders and warnings
✓ Trunk and door module initialization
✓ And more comfort and body functions.

Smart Features

✓ One-touch automatic VIN detection
✓ Online software update over WiFi with no computer needed

Professional Tools And Features

Hardware Features

• Battery saver mode
• Built-in voltmeter
• Simple WiFi updates
• Videoscope ready port, optional scope sold separately
• High-speed processor for fast scanning
• Rugged design for shop and mobile use

Software Features

• One click updates over WiFi
• Automatic VIN detection
• Multi-language support for many regions
• Built-in diagnostic trouble code library
• Diagnostic history and stored reports

Optional HD Videoscope Add-On

Inspect cylinders, turbochargers, EV battery housings, and other hard-to-reach areas with an optional professional-grade videoscope. The videoscope is not included by default and can be added at a discounted price during checkout.

Advanced Data Management

Recording And Analysis

• Live data recording while driving
• Playback analysis for intermittent faults
• Graph up to four live data streams at once
• Custom parameter selection
• Frame-by-frame review and freeze frames
• Comparative analysis between components

Reports And Storage

• Save diagnostic sessions to device memory
• Export files to USB drive
• Email reports directly from the scanner
• Print diagnostic results to WiFi printers
• Diagnostic history tracking per vehicle

40+ Maintenance & Service Functions

The YOUCANIC includes the most extensive set of maintenance and reset functions designed to help with common repairs, calibrations, and relearns across many makes and models.

A/C Learn – Recalibrates HVAC blend doors and climate control actuators after repairs or battery disconnect to restore correct heating/cooling operation.
AdBlue / DEF Reset – Resets SCR/DEF (diesel exhaust fluid) system after refill or repair to clear warnings and restore normal emission operation.
AFR Adaptation – Resets air-fuel ratio learned values after sensor/injector work to help the ECU relearn correct fueling.
ABS Service / ABS Bleeding – Cycles ABS pump and valves to support electronic brake bleeding and brake system service.
Battery Registration (BRT) – Registers a new battery with the battery management system so charging strategy and battery monitoring are correct.
Change Tire Size – Updates ECU parameters after changing tire diameter to help maintain accurate speedometer and related calculations.
Clutch Adaptation – Relearns clutch engagement points on dual-clutch/automated transmissions after clutch replacement or transmission repair.
CVT Adaptation – Resets CVT learned values after service to improve shift behavior and drivability on supported vehicles.
DPF Regeneration – Performs forced diesel particulate filter regeneration to reduce soot loading and restore performance (where supported).
Dashboard Reset – Clears instrument cluster service reminders and select warning messages after maintenance.
EGR Reset – Resets EGR adaptation values after EGR valve cleaning/replacement to help restore correct operation.
EPB Service Mode – Retracts electronic parking brake motors for safe rear brake pad replacement and service.
EVAP / SMOG Test – Runs evaporative emissions diagnostics/readiness checks to help identify EVAP leak-related issues.
FRM Reset – Initializes BMW FRM (Footwell Module) after replacement to restore body functions such as lighting/windows on supported models.
Fuel Pressure Test – Monitors fuel rail pressure live data to help diagnose fuel delivery and performance problems.
GPF Service – Supports gasoline particulate filter monitoring/regeneration on compatible GDI vehicles.
G Sensor Learn – Calibrates yaw/acceleration sensors used by ABS/traction/stability systems after repairs or alignment.
Headlamp Calibration – Recalibrates adaptive/auto-leveling headlights after headlamp, suspension, or sensor service (where supported).
Immobilizer (IMMO) – Supports immobilizer/key matching functions on certain vehicles (coverage varies significantly by make/year).
Injector Coding – Programs injector calibration codes after injector replacement on compatible diesel and direct injection systems.
Language Change – Changes certain module/cluster language settings where supported by the vehicle.
Speed Limit (LIMIT) – Adjusts speed/RPM limiter parameters on supported vehicles (more common on commercial/fleet applications).
NOx Reset – Resets NOx sensor learned values after sensor replacement on supported diesel emission systems.
ODS Initialization - Passenger Weight Sensor – Initializes the occupant detection system after seat or airbag-related repairs on supported models.
Oil Reset – Resets oil service reminder after an oil change.
OPDS Initialization – Calibrates passenger detection system so airbag logic functions correctly after repairs (where supported).
Oxygen Sensor Test – Displays O2 sensor live data and related feedback values to support emission diagnostics.
Prime Fuel Pump – Activates the fuel pump to prime the system after fuel filter replacement or fuel system service (where supported).
Power Balance Test – Performs cylinder contribution testing to help identify weak cylinders/misfires on compatible vehicles.
Replace Airbag ECU Module – Initializes a replacement SRS/airbag control module on supported vehicles.
Crankshaft Relearn (Gear Learn) – Performs crank variation relearn after certain engine repairs to ensure correct misfire detection and timing sync (where supported).
SAS (Steering Angle Sensor) Calibration – Resets the steering angle sensor after alignment or steering/suspension work.
Seat Match – Initializes seat modules (seat memory/occupancy-related modules) after replacement on supported vehicles.
Suspension Calibration – Recalibrates air suspension or electronic suspension ride height values on supported systems.
TCM Oil Reset – Resets transmission fluid service reminder in the transmission control module (where supported).
TPMS Reset – Relearns tire pressure monitoring system sensors after rotation/replacement on supported vehicles.
TPS Adaptation – Recalibrates throttle position/throttle body after cleaning or replacement (where supported).
Transmission Adaptation – Resets learned shift patterns/adaptations to improve shifting after service on supported vehicles.
Turbo Reset – Resets turbo control adaptations after turbo repair or replacement on supported vehicles.
Windows & Door Initialization – Relearns power window limits and door module settings after battery disconnect or repairs (where supported).

Important compatibility notice: These maintenance and reset functions vary by vehicle make, model, year, engine, and control module configuration. Not all functions are supported on every vehicle.

To confirm coverage, visit coverage.youcanic.com. You can also email support@youcanic.com with your VIN and the function you need, and our team can verify compatibility for you.

Supported System Languages

The YOUCANIC diagnostic scanner supports multiple interface languages, allowing technicians and DIY users worldwide to navigate menus, diagnostics, live data, and service functions comfortably.

English – Full diagnostic interface and system language support.
Spanish (Español) – Complete menu and function translation.
French (Français) – Diagnostic and service interface support.
German (Deutsch) – Full system interface language.
Italiano – Complete diagnostic menu translation.
Português – Full interface and system support.
Dutch (Nederlands) – Diagnostic system language support.
Polski – Complete menu interface translation.
Türkçe – System and diagnostic interface support.
Русский (Russian) – Full diagnostic menu support.
中文 (Simplified Chinese) – Complete system language support.
日本語 (Japanese) – Diagnostic interface language support.
한국어 (Korean) – System interface language support.
Shqip (Albanian) – Diagnostic and system interface language support.

The scanner language can be changed directly within the Settings > Language menu on the device.

Note: The scanner’s interface language can be changed directly on the device through the Settings menu. While standard diagnostic trouble code (DTC) definitions are displayed in English, the built-in AI diagnostic assistant can provide detailed explanations, common causes, and suggested repair guidance in over 100 languages, making it easier for users worldwide to understand vehicle fault codes.

How YOUCANIC Compares To Autel, Launch, Snap On, Thinkcar 689bt, and Others

Many buyers compare the Youcanic UCAN II D to tools from Autel, Launch, Snap On, Innova, and Foxwell. The UCAN II D focuses on three things that matter most in real-world use: full system coverage, bi-directional control, providing helpful support, and predictable total cost of ownership.

✅ Subscription cost – Youcanic includes free lifetime updates and the scanner keeps working even if you never update it again. Many Autel and Launch tools charge yearly fees, and higher end Snap On tools are among the most expensive on the market.
✅ Brand coverage – The UCAN II supports more than one hundred manufacturers with no per-brand unlock charges. Some tools from Autel and Launch charge extra for advanced coverage or regional brands.
✅ Bi-directional tests – On Youcanic, active tests like fuel pump, EPB, fans, injector cut out and more are included. Many consumer-grade tools from Innova and Foxwell do not offer the same level of control.
✅ Support quality – Youcanic support is based in Baltimore, Maryland, with technicians who use this scanner every day. Many competing brands rely on slower overseas support that is often only email-based. Try emailing our competitors. You send them a question today, and two days later, they will reply with two more questions for you to answer. If you need help from YOUCANIC, you can call us at 1-888-959-4265.

Feature	YOUCANIC UCAN II D	Most Scan Tools
All System Diagnosis	✅ Full module access across all systems	❌ Engine only, limited ABS, and transmission access
Bi Directional Control	✅ Fuel pump, EPB, windows, fans, and more	❌ Rare, locked, or missing
Updates	✅ Free lifetime updates and scanner still works if you never update again	❌ Yearly fees or per-brand charges
Coverage	✅ 150 plus makes including gas, diesel, hybrid, and EV	❌ Limited or paywalled
Ease Of Use	✅ Touchscreen with simple Android based interface	❌ Complex menus and steep learning curve
Support	✅ US based phone and remote support, often same day reply	❌ Outsourced or slow email only

What Real YOUCANIC Owners Say

★★★★★

“This scanner has great functions and it is easy to use. I take care of vehicles for my extended family. Recently diagnosed a wheel speed sensor on a BMW 230 that the dealer misdiagnosed for 1800 dollars just for scanning. The real time output display was great, found a glow plug issue on a Duramax, and oxygen sensors on a Buick Terraza.”

– Billy D, Georgia

★★★★★

“This is the best scan tool any individual or small automotive shop can get without spending thousands. Simple instructions, lifetime updates. Got it for my Mercedes, can check all modules, engine, electrical, suspension, and even bleed brakes. I should have bought it years ago.”

– Albert W, California

★★★★★

“Works as expected with my ninety four Delica, zero eight Jaguar, ten Audi, and twenty eighteen Tacoma. Clears codes and emails reports directly. The Bluetooth connection works every time. System has passed my expectations. Great value for professional diagnostics.”

– Joseph W, New York

Verified Reviews From Real YOUCANIC Scanner Owners

Training, Repair Guides, And Community Support

You do not just get a scanner. You get a support system built around it.

✓ Online video tutorials that walk you through real world diagnostic procedures.
✓ Step by step repair guides for many common problems and brands.
✓ Diagnostic procedure guides that explain what data to look at and how to interpret it.
✓ Community forum and group of more than thirteen thousand members.
✓ Best in class US based support that answers quickly and can even remote in to assist when needed.

Professional Diagnostics At Your Fingertips

Join thousands of drivers, DIYers, and small shops who now solve issues in their driveway with a professional-grade OBD2 scan tool instead of paying repeat dealer fees.

One-time payment

• No subscription • No brand unlock charges • Scanner still works if you never update it again

🛡️ 31-day money-back guarantee

🚚 Free US shipping

⭐ More than 13 thousand Youcanic users

Our Commitment To You

We aim to offer the most complete, DIY-friendly diagnostic platform in this price range, backed by what we believe is the best support in the industry.

🛡️

One-year warranty

Full coverage guarantee

🔄

31-day returns

No questions asked.

💬

Expert support

US-based team in Baltimore, Maryland

Expert Technical Support

Support hours

Monday to Friday, 9 AM to 4 PM Eastern Time

✓ Lifetime US product support
✓ Remote diagnostic help available for our products
✓ Community of more than 13 thousand members

31 Day Money Back Guarantee

Did you know that our competitors report return rates between 15 and 25%. Ours is at 3% percent. At Youcanic, we are focused on your long-term success with professional-grade diagnostics and real support.

What Is In The Box

You receive:

✓ UCAN II D tablet scanner
✓ VCI Bluetooth OBD II adapter
✓ Hard carrying case
✓ Wall charger with US adapter and USB cable
✓ Screen protector already installed
✓ FCA 12+8 Dodge Chrysler Jeep Fiat Adapter
✓ Owner's manual

Videoscope optional

The HD videoscope is not included by default. Add it as an accessory at checkout for advanced visual inspections.

Shipping Details

USA shipping

✓ Free US shipping
✓ Delivery usually in 2 to 4 business days
✓ Ships from Baltimore, Maryland

International orders

✓ Discounted worldwide shipping available
✓ Duties and VAT depend on your country and may be collected on delivery

FAQ

Tablet Specifications
Screen	7 inch diagonal daylight readable color LCD screen, 1024 x 600 pixel and pre-installed screen protector.
Touch with gloves	Supported
Operating system	Android 9.0
CPU	Quad core 1.3 Ghz
Memory	2 GB DDR3L
SSD storage	64 GB
Communication interface	Built in WiFi 802.11 b g Wireless LAN micro USB 2.0 OTG USB 2.0 HOST Bluetooth 4.0 (10 to 20 m)
Battery	5000 mAh lithium polymer battery, chargeable via 5 V AC DC power supply
Protocols	ISO 9141 2, ISO 14230 2 (KWP2000), SAE J1850 PWM, SAE J1850 VPW, SAE J2740 (GM UART), UART Echo, SAE J2809, SAE J2818, Honda Diag H Protocol, SAE J2610 (SCI), ISO 11898, ISO 15765 4, KW81, KW82, GWM 3089 (Single Wire CAN), SAE J2819 (TP2.0), SAE J3054 (TP1.6), ISO 11898 3 (Low Speed Fault Tolerant CAN), SAE J2284 (High Speed CAN), CAN FD, DoIP

License Plate Frame Raised Letters 3D Embossed | Master Your Machine | Universal Fit Black Car Tag Holder

$14.00 USD

YOUCANIC Pro 6000A Jump Starter - Powerful Car Battery Booster, Power Bank, & Smart Safety Features

~~$200.00 USD~~ $135.00 USD

YOUCANIC UCAN-I OBD2 Scanner: Check Engine Light Code Reader Live Data Scanner

~~$39.99 USD~~ $19.99 USD

The YOUCANIC UCAN-I is an OBD-II scanner designed to help car owners and mechanics quickly diagnose check engine lights, access live sensor data, and verify emissions readiness. Compatible with all vehicles from 1996 and newer, this reliable diagnostic tool puts engine diagnostics in your hands at an affordable price.

Key Features & Benefits

Complete Diagnostic Coverage

Read and clear check engine light codes
Access generic codes (P0, P2, P3, U0)
Check pending codes

Universal Compatibility

Works on all 1996 and newer vehicles
Supports both gasoline and diesel engines
Compatible with domestic and imported vehicles
Supports all 10 OBD-II test modes

Advanced Data Analysis

Real-time sensor data monitoring
Graph mode for visual data analysis
Freeze frame data access
O2 sensor test data
EVAP system test data

Emissions Testing Ready

Ensure your vehicle is ready for emissions testing with our comprehensive I/M readiness monitoring:

Monitor emissions readiness status
Check all required emissions monitors
Verify repairs before testing
Save time and money on failed tests

YOUCANIC UCAN-I OBD2 Scanner displaying diagnostic information

Professional-grade diagnostics in a compact, user-friendly design

Technical Specifications

Dimensions	11.6 x 2.4 x 8cm
Weight	161g (0.161kg)
Display	Backlit LCD screen for clear visibility
Power Source	Vehicle OBD-II port powered (no batteries required)
Cable Length	Extended length for comfortable use

Package Contents

1x YOUCANIC UCAN-I Car Scanner
1x Comprehensive English User Manual
Quick Start Guide
Lifetime Technical Support

Why Choose the YOUCANIC UCAN-I?

Professional-grade diagnostics at DIY prices
Easy to use with intuitive interface
No subscription or update fees
Backed by automotive experts
Trusted by mechanics and car owners
1-year warranty and 30-day money-back guarantee

Perfect For:

Car owners wanting to diagnose check engine lights
DIY mechanics performing repairs
Pre-purchase vehicle inspections
Emissions test preparation
Monitoring vehicle health

YOUCANIC UCAN-HD-A Heavy-Duty Diesel Truck Scanner – Full-System

~~$900.00 USD~~ $485.00 USD

The All-in-One Scanner for Trucks, Buses & Equipment

The UCAN-HD-A is a premium-grade diesel diagnostic scanner built for real-world technicians, fleet managers, and owner-operators. Designed to match or exceed dealer-level functionality, it delivers the critical functions professionals need daily — without subscription fees.

💥 What Mechanics & Fleet Operators Love About It:

✅ Fast Boot-Up + Glove-Friendly Touchscreen

Daylight-readable touchscreen responds even with gloves
Boots in seconds with Android OS for smooth multitasking

✅ Covers What Really Matters

Works with Freightliner, Cummins, Volvo, CAT, PACCAR, Isuzu, Hino, and more
Covers Class 4–8 trucks, buses, and off-highway equipment
Supports J1939, J1708, J1587, CAN, KWP2000, ISO9141-2, SAE J1850

🔍 Deep Diagnostic Power — Beyond Just Reading Codes

✔️ Full-System Diagnostics:

Scan Engine, Transmission, ABS, SRS, BCM, TCM, TPMS, HVAC, and more
View Freeze Frame, Live Data, ECU Info, and permanent DTCs

✔️ Live Sensor Graphing & PID Merge:

Graph multiple sensors in real-time
Merge data streams for quick comparative diagnosis

✔️ Bi-Directional Controls (Active Tests):

Command DPF regen, DEF pump, turbo actuators, EGR valve, fans, throttle body, etc.

✔️ VIN Auto-ID & Fast ECU Access:

Instantly identifies vehicle by VIN
Retrieves the full ECU tree structure and modules in seconds

Smart Special Functions Mechanics Actually Use

🟩 DPF Regeneration (Stationary + Driving)

Force soot burn-off
Monitor soot level, exhaust temp, regen history

🟩 Injector Cutoff & Coding

Disable specific injectors for diagnosis
Code replacements for proper calibration

🟩 Cylinder Balance Test

Detect misfiring, weak, or low-contribution cylinders

🟩 Speed Limit Settings (Road + Engine Governor)

View/set speed governor
Adjust idle RPMs

🟩 ABS Bleeding

Perform ABS module bleeding after service

🟩 SCR/DEF Diagnostics

Reset fluid levels
Monitor NOx sensors
Test DEF doser pump

🟩 Throttle/EGR/Boost Tests

Command EGR valve open/close
Activate turbo boost solenoids

🟩 Sensor Calibrations & Reset Functions

Oil/service reset
TPMS, steering angle, battery, DPF counter resets

🛠 Workshop-Ready Features

One-Touch WiFi Update — Always up to date with free lifetime software
Print & Email Diagnostic Reports — Directly from the scanner
Cloud Storage & USB Export — Save job history, export logs
Supports Remote Support — Get help when needed

📦 What’s Included

UCAN-HD-A Diagnostic Tablet
VCI Bluetooth Adapter
Full Heavy-Duty Adapter Kit (6/9 pin, OBD2, etc.)
USB charging cable & wall charger
User manual
Rugged carrying case

📐 Technical Specs

Display: 7" TFT LCD (Daylight-readable, glove-friendly)
OS: Android 9.0
Processor: 1.3GHz Quad-core
Memory: 2GB RAM + 64GB Storage
Battery: 5000mAh lithium-polymer
Operating Temp: -10°C to 70°C
Connectivity: WiFi, Bluetooth, USB
Protocols: J1939, J1708, CAN, ISO9141, and more

🔧 Professional Support

12-Month Manufacturer Warranty
Free Lifetime Software Updates
Email-Based Tech Support (U.S.-Based)
Remote Assistance via TeamViewer

Supported Models

Trucks

✓ Autocar
✓ Cadillac
✓ Chrysler
✓ Crane Carrier Company
✓ Dodge
✓ Ford
✓ Freightliner
✓ Fuso (Mercedes-Benz & Mitsubishi)
✓ GM
✓ GMC
✓ Hino HD
✓ Honda
✓ Isuzu
✓ Kenworth
✓ Kia
✓ Mack
✓ Mazda
✓ Mitsubishi
✓ Navistar
✓ Paccar
✓ Peterbilt
✓ Pierce
✓ Sterling
✓ UD
✓ Volvo HD
✓ Volkswagen
✓ Western Star

Equipment

✓ Caterpillar
✓ Crane Carrier Company
✓ Cummins
✓ John Deere
✓ Komatsu
✓ Volvo HD

Top 40 Most Used UCAN-HD-A Scanner Functions

Core Diagnostic Functions

Full system diagnostic scan for trucks and buses
Read fault codes from all control modules
Clear fault codes after repairs
Live data stream viewing
ECU information and module identification
Freeze frame data
Automatic quick scan of all systems
Manual control module selection
Diagnostic report generation (PDF)
Vehicle history and scan records

Advanced & Bidirectional Functions

Active tests (bi directional control)
Injector cutoff test (cylinder contribution test)
Actuator tests for engine components
Command component ON/OFF for diagnostics
Fuel system testing via active commands
ABS actuator testing
Engine system functional tests

Diesel Specific & Emissions

DPF regeneration (manual forced regen)
Ash service regeneration
DPF differential pressure monitoring
Diesel emissions diagnostics
NOx related diagnostics (where supported)
Diesel engine live sensor monitoring
Exhaust temperature monitoring

Engine & Powertrain

Engine speed limit setting
Vehicle road speed limiter adjustment
Transmission live data monitoring
Engine parameter configuration (supported models)
Turbo boost pressure monitoring
Fuel rail pressure live data

ABS & Safety Systems

ABS system diagnostics
ABS live data and wheel speed monitoring
Brake system fault diagnosis
ABS fault code clearing

Utility & Professional Tools

CAN bus pin detection and voltage testing
OBD protocol pin testing
Data playback and graph comparison
Multi-graph and merged graph live data
Remote diagnostic support via TeamViewer
Shop manager with vehicle and customer records

Quick Notes

Coverage varies slightly by truck brand, model, and ECU software, which is normal for all professional scan tools
UCAN-HD-A supports J1939, J1708, CAN FD, DOIP, making it future ready
This is a true heavy duty scanner, not a light duty tool with limited HD add-ons

🏁 Built to Make You Faster, Smarter & More Profitable

Whether you're chasing down an intermittent injector issue or resetting a DPF after a turbo install, the YOUCANIC UCAN-HD-A has your back — without subscriptions or annual renewals. Whether you're clearing a check engine light, performing a forced DPF regen, or troubleshooting injector misfires, the YOUCANIC UCAN-HD-A is built for the most common heavy-duty diagnostic needs. Mechanics often rely on this scanner for functions like reading and clearing fault codes, ABS brake bleeding, DEF/SCR system diagnosis, live data streaming, and injector cut-off tests. Fleet managers use it for speed limiter adjustments, idle RPM calibration, and resetting maintenance/service lights. It also supports VIN auto-detection, cylinder contribution/balance testing, turbo actuator control, EGR system tests, and more — all without needing dealer software.

🤝 Designed & Supported in the USA

The YOUCANIC UCAN-HD-A is proudly designed and supported in Towson, Maryland USA. We're not an overseas brand — we're a team of real technicians and engineers based in Towson, MD who understand diagnostics because we use them too.

We're here to help you get the job done — fast and right. When you buy YOUCANIC, you’re not just getting a powerful scanner — you’re gaining a support team that’s got your back.

YOUCANIC WaveScope 4C Pro — Automotive 4-Channel Diagnostic Oscilloscope (100 MHz | 1 GSa/s)

~~$700.00 USD~~ $360.00 USD

$360.00 USD item

WaveScope 4C Pro is a professional 4-channel automotive oscilloscope engineered for modern vehicles. With 100 MHz bandwidth, 1 GSa/s real-time sampling, and 50 Mpts memory depth, it captures fast transients, high-resolution crank/cam correlation, injector current ramps, CAN/LIN/FlexRay frames, and charging system ripple with lab-grade accuracy. Pair it with our Android app for guided tests and mobile portability in the bay or on the road.

Why technicians choose WaveScope 4C Pro

4 isolated BNC channels for multi-sensor correlation (crank, cam, primary/secondary ignition, injector, fuel pump, MAF/MAP, throttle, O2/AFR, ABS).
Fast acquisition: up to 1 GSa/s sampling, ≤ 3.5 ns rise time, and deep 50 Mpts capture for long recordings without decimation.
Automotive-ready triggers: Edge & Pulse with Automatic/Normal/Single modes for intermittent faults and glitch hunting.
Built-in auto measurements: frequency, period, duty cycle (positive/negative), pulse widths, rise/fall time, phase, peak-to-peak, RMS, min/max/avg, cycle RMS/mean.
Guided test library for Circuits, Sensors, Actuators, Ignition, Networks, and Combination tests—ideal for repeatable diagnostics and training.
Mobile workflow: Android application (Android 7.0+) with Type-C connectivity for ultimate portability in the field.
Rugged enclosure with cable support, calibration square-wave output, and compact footprint for cart or passenger seat use.

Typical Automotive Use Cases

Engine management: crankshaft/camshaft sync, VVT control, ignition primary/secondary, injector voltage & current ramp, coil-on-plug (COP) analysis.
Charging/starting: starter current, 12 V/24 V cranking voltage drop, alternator ripple, diode faults.
Actuators: PWM fans, EGR/Evap solenoids, electronic throttle control, fuel pump command/feedback.
Sensors: MAF/MAP, TPS, Hall/inductive, knock, oxygen/AFR, wheel speed/ABS, pressure and temperature transducers.
Networks: CAN Low/High, CAN FD, LIN, FlexRay, K-Line—frame integrity, wake-up, line bias, and noise checks.
Combination tests: multi-channel correlation (e.g., crank + cam + injector + ignition) to pinpoint timing or synchronization faults.

Technical Specifications

Parameter	WaveScope 4C Pro
Bandwidth	100 MHz
Channels	4 (BNC)
Real-time Sampling Rate	1 GSa/s
Rise Time	≤ 3.5 ns
Memory Depth	50 Mpts
Trigger Modes	Edge, Pulse
Trigger Methods	Automatic, Normal, Single
Automatic Measurements	Period, Frequency, Rise/Fall Time, Delay, Duty Cycle (+/-), Pulse Width (+/-), Overshoot (+/-), Phase, Peak-to-Peak, Amplitude, High/Low, Max/Min/Mean, RMS, Cycle RMS/Mean
Input Impedance	1 MΩ ±1% // 14 pF
Interface	USB Type-C; DC Power
Supported Tests	Charging/Starting Circuits, Sensors, Actuators, Ignition, Networks (CAN L/H, CAN FD, LIN, FlexRay, K-Line), Combination Tests
Battery (optional)	7.4 V, 7500 mAh Li-ion
DC Gain Accuracy	≤ 2%
Dimensions	140 × 215 × 52 mm
Weight	~640 g

What’s in the Kit

Large dolphin/gator clips × 2
Auto high-pressure ignition probe × 1
Acupuncture probe set × 1
Multimeter probes × 2
Auto test cables × 4
Attenuator × 2
Break-out lead × 1
Dolphin/gator clip cables × 2
COP (coil-on-plug) extension cord × 1
AC to DC power supply adapter × 1
USB-A/C to USB-C cable × 1

Mobile App & Connectivity

Install the WaveScope Android application (Android 7.0 or later) and connect via USB Type-C. Use the built-in calibration square-wave output to compensate probes and verify channel performance before testing.

Designed for Professional Diagnostics

High-resolution captures with deep memory for long crank/no-start recordings without losing timing detail.
Noise-robust inputs with proper 1 MΩ/14 pF impedance for accurate sensor signal loading.
Single-shot triggering to catch one-time misfires, dropout events, network wake-ups, and injector anomalies.
Comprehensive guided library to standardize test hookup, scaling, and waveform interpretation.

What you can diagnose with WaveScope 4C Pro

Misfires, no-starts, cam/crank sync errors, stretched timing chains, weak coils, saturated injectors, shorted solenoids, alternator diode ripple, PWM control issues, network wiring faults (short-to-ground/short-to-VBAT), and intermittent harness/connectivity problems.

Included Calibration & Safety

Front-panel calibration square-wave source for probe compensation and channel verification.
Guided notes for safe connection using piercing probes and alligator clips.

What this scope replaces

4-channel handheld lab scope, DSO for automotive, CAN bus oscilloscope, ignition scope, injector current probe scope, engine analyzer, and network analyzer for CAN/LIN/FlexRay diagnostics.

Specifications Snapshot

Compare WaveScope 4C Pro with Other Automotive Oscilloscopes

Model	Channels	Bandwidth	Sampling Rate	Memory Depth	Key Features	Price (USD)
YOUCANIC WaveScope 4C Pro	4	100 MHz	1 GSa/s	50 Mpts	Guided tests, Android app, full accessory kit	$450
Micsig SATO1004	4	100 MHz	1 GSa/s	~70 Mpts	Automotive presets, tablet UI, battery included	$899
Micsig ATO1004	4	100 MHz	1 GSa/s	Large (varies by model)	Premium line, Android/tablet interface, advanced automotive functions	$999+
Thinkcar 4-Ch Scope Box	4	100 MHz	1 GSa/s	50 Mpts	Compact box design, integrates with scan tools	$799

Pricing is approximate and based on typical retail listings as of 2025. YOUCANIC WaveScope 4C Pro provides comparable performance at nearly half the price of competing 4-channel 100 MHz automotive oscilloscopes.

12V Battery Disconnect Kill Switch Heavy Duty for Cars, RVs, and Boats

$17.99 USD

This universal battery disconnect switch makes it quick and easy to disconnect your battery whenever you need. It is made to fit most Top Post batteries, making it perfect for cars, RVs, ATVs, and more! The perfect solution if you leave your vehicle parked for a long time or just have a parastic battery drain and don't want to jump start your car every morning.

🔋 12V Top Post Battery Kill Switch – Heavy Duty Negative Disconnect for Cars, RVs, Trucks & Boats

Stop Battery Drain. Protect Your Vehicle. Drive With Peace of Mind.

Tired of dead batteries, power drain, or worrying about electrical safety? Our 12V Top Post Battery Kill Switch is the simple, heavy-duty solution to protect your vehicle’s electrical system. Whether you drive a car, RV, truck, or boat, this disconnect switch makes it easy to cut off power instantly — saving battery life, preventing theft, and keeping your vehicle safe.

✅ Why You Need This Battery Disconnect Switch

Prevents Battery Drain: Stop parasitic draw when your vehicle is parked or in storage, extending battery life.
Protects Against Theft: A quick twist disconnects power, acting as a simple anti-theft deterrent.
Enhances Electrical Safety: Protects your system from accidental short circuits, overheating, or fires.
Perfect for Storage: Ideal for RVs, boats, and seasonal vehicles left unused for weeks or months.
Fast, Tool-Free Install: Attaches directly to your battery’s top post — no extra cables, wiring, or tools needed.

🔧 Heavy-Duty & Universal Fit

Built tough with corrosion-resistant ABS housing and copper connectors, this switch is made to last. It supports 250 amps continuous and up to 1000 amps peak starting power, compatible with 12V–48V systems. Fits most standard top post negative terminals (15.5–17mm), making it perfect for:

Cars & Pickup Trucks
RVs & Campers
Boats & Marine Equipment
ATVs, UTVs & Off-Road Vehicles

⚡ Key Benefits

✔ Prevents unwanted battery drain
✔ Extends battery life during storage
✔ Works as an anti-theft battery disconnect
✔ Protects from short circuits & electrical fires
✔ Heavy duty, long-lasting design
✔ Quick installation – no tools required
✔ Universal fit for cars, RVs, trucks, and boats
✔ Backed by a 1-year limited warranty

📦 Package Includes

1 x 12V Top Post Battery Kill Switch

Can be used on Negative or Positive Terminal.

YOUCANIC Car Charger Adapter – Phone + Scanner Dual Port USB (QC 3.0 + PD)

$9.55 USD

2pcs Car Bumper Protector Strips – Universal Car Scratch Guards, Anti-Collision Corner Stickers, Auto Protection Strips

$14.99 USD

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Why Most OBD2 Scanners Let You Down

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Core Advantages

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Universal Vehicle Coverage

Complete Vehicle Coverage From 1996 To Present

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More Than 40 Professional Service And Reset Functions

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Optional HD Videoscope Add-On

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40+ Maintenance & Service Functions

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How YOUCANIC Compares To Autel, Launch, Snap On, Thinkcar 689bt, and Others

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Verified Reviews From Real YOUCANIC Scanner Owners

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FAQ

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What’s Included

Why Drivers Love It

Perfect For

Ultimate Power

Universal Compatibility

Lightning-Fast Charging

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Professional Kit Includes:

Emergency Ready

1-Year Warranty

Key Features & Benefits

Complete Diagnostic Coverage

Universal Compatibility

Advanced Data Analysis

Emissions Testing Ready

Technical Specifications

Package Contents

Why Choose the YOUCANIC UCAN-I?

Perfect For:

💥 What Mechanics & Fleet Operators Love About It:

🔍 Deep Diagnostic Power — Beyond Just Reading Codes

Smart Special Functions Mechanics Actually Use

🛠 Workshop-Ready Features

📦 What’s Included

📐 Technical Specs

🔧 Professional Support

Supported Models

Trucks

Equipment

Top 40 Most Used UCAN-HD-A Scanner Functions

Core Diagnostic Functions

Advanced & Bidirectional Functions

Diesel Specific & Emissions

Engine & Powertrain

ABS & Safety Systems

Utility & Professional Tools

Quick Notes

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🤝 Designed & Supported in the USA