🔥 Black Friday Mega Deal is LIVE!

Very limited stock and moving fast. Once this bundle is gone, it’s gone.

You get our best-selling tools in one powerhouse bundle:

• UCAN-II-C PRO Full System Scanner – diagnose all makes all systems with advanced bidirectional tests
• VoltCheck Pro Battery Tester – instantly check battery health, cranking, and charging
• Relay Test Tool – quickly test relays without guesswork
• Digital Multimeter – perfect for circuit checks and troubleshooting
• FREE BONUS: Optional License Plate Frame with 3D raised letters

✔ Save big compared to buying individually

✔ Perfect holiday gift for any DIYer or mechanic

✔ Free lifetime updates included on the UCAN-II-C

Grab yours before the deal ends!

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

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 assume years of training.
• ❌ Too limited – Locked to one brand or need 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 C) 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 C 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

• ✅ Works completely offline – no WiFi required for diagnostics.
• ✅ No subscriptions and no brand unlock fees at all.
• ✅ Scanner keeps working even if you never update it again.
• ✅ Dealer-level access to all available modules on supported vehicles.
• ✅ US support with real techs and free lifetime updates.

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.
• ✅ 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 just tired of paying dealer diagnostic fees, the Youcanic UCAN II C gives you the capabilities of many two-thousand-dollar professional scan tools for a fraction of the price.

Universal Vehicle Coverage

98 percent plus

Global vehicle coverage

100 plus

Manufacturers supported

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

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

Many buyers compare the Youcanic UCAN II C to tools from Autel, Launch, Snap On, Innova, and Foxwell. The UCAN II C 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.

Feature	YOUCANIC UCAN II C	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 C tablet scanner
• ✓ VCI Bluetooth OBD II adapter
• ✓ Hard carrying case
• ✓ Wall charger with US adapter and USB cable
• ✓ Screen protector pre-installed
• ✓ Owner 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

Maintenance Functions And Languages

Languages Supported

Frequently Asked Questions

We offer a full refund on first-time returns, even if the unit has been opened and used, as long as it is returned within the return window. If the scanner is purchased and returned more than once, a 30-dollar restocking fee applies to cover inspection, testing, cleaning, and repackaging costs. If you only need the scanner for a short time, consider our rental option:

Rent a full system scanner for one week, including outbound and return shipping, which is ideal for one-time or short-term diagnostics.

Still have questions? Reach out to our support team, we are ready to help.

Does the scanner need the internet to work?

No. The scanner works completely offline for diagnostics and service functions. Internet is only needed for software updates and emailing reports.

Does it work with cars outside the USA?

Yes. It has worldwide vehicle coverage for cars from 1996 and newer and supports some OBD one vehicles with the proper adapters.

Where is the product made?

The product is designed in Baltimore, Maryland and manufactured in China. This keeps quality high while keeping the price more affordable.

Where is support located?

Our support team is based in Baltimore, Maryland and available Monday to Friday from 9 AM to 4 PM Eastern Time.

Do you ship worldwide?

Yes. Add the product to your cart and enter your address to see international shipping options and rates.

Will I have to pay duty taxes?

That depends on your country. We do not collect duty or VAT. Your local customs office may collect these taxes when the package is delivered.

Are updates free?

Yes. Software and coverage updates are free for the lifetime of the scanner. We regularly add new models and features, and the scanner will keep working even if you decide not to update.

How do I update the scanner?

Simply connect the scanner to WiFi and tap the update button on the device. No computer is required.

What if I have trouble connecting to my car?

With your permission, our team can remotely access the scanner and help you solve connection or communication issues.

Can this device code or program modules?

It supports functions like battery registration, injector coding, and TPMS sensor programming, but it is not intended as a full ECU programming or control module coding tool.

Can I print diagnostic reports?

Yes. You can print reports directly to a WiFi printer or email them to any email address and print from there.

Can I record live data?

Yes. You can record live data while driving and replay it later for detailed analysis, which is very helpful for intermittent issues that do not always appear right away.

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 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

🏁 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.

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

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

Bandwidth 100 MHz | 4 Channels | 1 GSa/s | 50 Mpts | ≤ 3.5 ns rise time | Android app | Type-C | 

Compare WaveScope 4C Pro with Other Automotive Oscilloscopes

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.