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

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.