Does it come with a power supply?

No. And it doesn't require a separate power supply. It gets both power and diagnostics directly from your truck's OBD port. You can temporarily use a 12V adapte or Type-c cable (not included) to power on, but this will NOT enable vehicle diagnostics.

Can it do DPF regen on all engines?

It supports DPF regen on major engines like Cummins, Paccar, Caterpillar, Detroit, Volvo, Mack, International/Maxxforce, Isuzu, Fuso, and Hino. Some newer Freightliner trucks with Detroit engines use the UDS protocol, which is not supported.

Is this a bidirectional tool?

It reads/clears codes, runs DPF regen, Oil Reset and shows live data—but it does not support coding or parameter programming.

Do I need Wi-Fi to use it?

Only for the first-time setup and updates. Once activated, it works offline with no Wi-Fi needed.

What if it shows ECU error or won't connect?

Please check ignition, cable connection, and vehicle compatibility. For further assistance, use Amazon’s message system to find us

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ANCEL HD3400 Plus Heavy Duty Truck Scanner Diesel Scan Tool Fit for Cummins, Detroit, Caterpillar, Paccar with DPF Regen, All Systems Diagnostic Truck Scanner for Semi/HD Truck & Car OBD2 Code Reader

ANCEL HD3400 Plus Heavy Duty Truck Scanner Diesel Scan Tool Fit for Cummins, Detroit, Caterpillar, Paccar with DPF Regen, All Systems Diagnostic Truck Scanner for Semi/HD Truck & Car OBD2 Code Reader

Product ID: 439321730

Details

Brand
ANCEL
Operating system
Android 4.0
Power source
Corded
Product dimensions
19.2L x 11.8W
Screen size
5 Inches

📊Live ECU data & DTC read/clear

♻️DPF regeneration & reset function

⚙️Supports Cummins X12, X15, ISX15, L9, B6.7 engines

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€ 663.55

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Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🚛 Drive smarter, diagnose faster — never get left behind on the road!

USER FRIENDLY INTERFACE - 5-inch high-res screen with Android OS ensures intuitive navigation and quick data access.
DPF REGENERATION MASTERY - Perform on-the-spot Diesel Particulate Filter cleaning and resets to keep your rig running clean.
WIDE BRAND COMPATIBILITY - Works seamlessly with Freightliner, Peterbilt, Kenworth, Volvo, Mack, and many more heavy-duty trucks.
COMPREHENSIVE DIAGNOSTICS - Read and clear trouble codes across all systems including engine, transmission, and more.
ENGINE SPECIFIC PRECISION - Tailored for Cummins & major HD truck engines for unmatched diagnostic accuracy.

The ANCEL HD3400 Plus is a professional-grade heavy-duty truck scanner designed primarily for Cummins engines but compatible with a broad range of HD truck brands. Featuring live ECU data streaming, trouble code reading and clearing, and advanced DPF regeneration capabilities, it empowers truck operators and fleet managers to maintain peak vehicle performance and compliance. Its 5-inch Android-based display and included adapters make it a versatile, easy-to-use diagnostic powerhouse for semi-trucks and heavy-duty vehicles.

Specifications

ASIN	B09R3L5BP2
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#44,409 in Automotive ( See Top 100 in Automotive ) #200 in Automotive Code Readers & Scan Tools
Brand Name	ANCEL
Country of Publication	China
Customer Reviews	4.3 4.3 out of 5 stars (1,035)
Global Trade Identification Number	00704771873374
Included Components	1pcs CAT-9 pin adapter, 1pcs Manual Book, 1pcs diesel 6&9 pin adapter, 1pcs test line with OBD2&HD OBD adapter, 1*pcs truck scanner
Item Dimensions L x W x H	19.2L x 11.8W x 4.8H centimeters
Item Weight	1.34 Kilograms
Manufacturer	Ancel
Manufacturer Part Number	HD3400
Model Number	HD3400
Native Resolution	800x480
Operating System	Android 4.0
Power Source	Corded Electric
Screen Size	5 Inches
UPC	704771873374

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