2 Years Free Update 2026 New Launch CRP129 HD Elite 24V Heavy Duty Truck Diagnostic Scan Tool X431 CRP129 HD Commercial Vehicle HD OBD2 Scanner
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launch CRP129 HD Heavy Duty Truck Diesel Scanner
The 1st Professional Truck Diesel Scanner, this Full System Code Reader features 7 reset functions, supports over 51 brands, and includes a 2-year free update.

As an all-in-one truck diagnostic tool, it supports 99% of trucks, light/heavy-duty vehicles, construction machinery, agricultural machinery, and diesel engines.

The 2024 launch CRP129 HD is a cost-effective, all-in-one truck diagnostic scanner suitable for over 51 different brands of trucks, lorries, light trucks, vans, buses, and construction, agricultural, and forestry machinery.
The launch CRP129 HD is an advanced diagnostic tool on the Android platform, designed to meet the needs of the commercial vehicle DIY market. It covers over 51 vehicle software models from Asia, Europe, and the U.S., providing basic diagnostic functions for all systems, including engine, gearbox, brake ABS, and more. It can read and clear fault codes, display version information, and read data streams.
Key Features and Benefits
- 2025 Newest Model: The first truck diesel diagnostic scan tool from Launch, supporting 51+ brands of trucks, lorries, light trucks, vans, buses, and construction, agricultural, and forestry machinery.
- All System Diagnosis: Supports reading and clearing DTCs, viewing live data, and accessing ECU information for all systems in diesel trucks, including engine, Transmission, Drivetrain, ABS, ESP, Cluster, Suspension, Braking System, Cab Climate, Body Control, Instrument Panel, Fuel System, and more.
- 7 Useful Service Reset Functions: Includes D.P.F Regeneration/Forced REGEN, Oil Lamp Reset, Clutch learning, Cylinder Cut-off, Adjust Speed Limiter, Injector Programming, and Urea Drive, providing comprehensive coverage for your diagnostic needs.
- HD OBD/EOBD Protocols: Performs all 10 modes of HD/EOBD functions, compatible with almost all American HD trucks (Class 3-Class 8) that comply with J1939, J1708, and J1587 protocols.
- Wide Engine Support: As one of the few advanced diagnostic tools on the market, it supports customized protocols for over 10 engine manufacturers, including Cummins, Caterpillar, Detroit, and Paccar.
- Plug & Play: Simple to use with an easy interface, allowing you to quickly take control and get the information you want.
- 11 Languages: Supports English, French, German, Spanish, Italian, Russian, Portuguese, Japanese, Korean, and Polish, enabling you to translate data into your local language.
- Fantastic AutoVIN: Automatically scans to rapidly get your vehicle’s make, model, and year information without manual VIN entry. Generate a one-click vehicle health report and easily share it with your mechanic for analysis.
- Broad Truck Coverage: Works well on 52+ makes, covering US, Asian, and European commercial vehicles. Suitable for 12V & 24V systems with no extra fee, for cars, trucks, buses, trailers, excavators, diesel engines, construction machinery, pick-ups, hybrid vehicles, and more.
- User-Friendly Functions: Get full control over the vehicle’s ECU with Auto VIN & Scan, one-click WiFi updates, 4-in-1 graphing live data, diagnostic feedback, remote diagnostics, and a DTC Lookup Library with a "Code Search" function to connect to Google for more help.
- No IP Restriction: The LAUNCH CRP129 HD ELITE is fully capable of being used worldwide without regional restrictions on features or programs.
- 2-Year Free Update: The built-in vehicle diagnosis software includes 2 years of free updates.
- Five-Year Warranty: We offer free after-sales service for 5 years.

Enhanced Hardware & Software Combination
- Android 8.1 OS: A mature and highly-refined system for ever smoother operation.
- 2.4Ghz WiFi Communication: Automatically connects within 20 meters, far better than traditional BT connection in transmission rate and diagnostics.
- 1.3GHz 4-Core Processor: Much higher processing speed gets your results without delay.
- 2G/16G Memory: Enough storage space to handle more files and clients’ data.
- 3000mAh Battery: Can run for 5+ continuous hours before requiring a recharge.
- 4” Touch Screen: A large, crisp, color screen with an intuitive user interface.
Extensive Software Coverage
Includes 51 brands of diagnostic software, covering truck and diesel machinery brands from America, Europe, and Asia.

The CRP129 HD Truck scanner supports in-depth truck inspections to help you solve problems and keep your truck in a safe and healthy condition.

Powerful All-System Diagnostic Code Reader for HD Trucks
(Great for car repair shops and mechanics to improve business)
The CRP129 HD truck scanner supports reading and clearing DTCs, viewing live data, and accessing ECU information for all systems in a diesel truck. This includes Engine, Transmission, Chassis, Gas Aftertreatment, Drivetrain, DEF, ABS, ESP, SATC, Evap, Cluster, Suspension, Braking System, Cab Climate, Body Control, Instrument Panel, Fuel System, Natural gas, Battery Management, Speed control Unit pump system, Common Rail System, Electronical control system, Air-conditioning system, Anti-theft alarm system, Auxiliary heating system, Audio system, Compressed Air Reserve system, Collision safety system, Clock and Time System, Electronically Controlled Brake System, Break control system, Turbo Control systems, Electrohydraulic steering system, Engine Management System, Exhaust Pressure Adjustment systems, and more. It’s compatible with almost all American HD trucks (Class 3-Class 8) that comply with the classic protocols J1939 and J1708.
Attention:
Record your using video to seller to win surprise!

7 User-Friendly Reset Maintenance Functions
Includes: DPF regeneration, urea drive, maintenance light reset, fuel injector coding, vehicle speed limit adjustment, cylinder cutout test, and clutch learning.
These powerful dealership-level functions can fully meet your needs.
Regen, repair, tune, and diagnose at your fingertips. No more waiting, no more tows or dealer fees! Become your own mobile mechanic with this tool!

Professional Scanner for 10+ Diesel Engines
Wide Compatibility of D.P.F Regeneration with Engines
The CRP129 HD ELITE heavy-duty truck scan tool is compatible with a wide range of heavy-duty commercial trucks (Class 3 to Class 8) equipped with over 10 types of engines, such as CATERPILLAR, CUMMINS, DETROIT, ISUZU, PACCAR, PERKINS, VOLVO, MAXXFORCE, HINO, DOOSAN, and more.
- CUMMINS: X12/ X15/ ISX15/ L9/ ISB/ISD/ ISL/ ISG/ ISX/ ISF/ISBE/ QSM11/ISM/ QSX15/ISC/ ISN/ ISK...
- DETROIT: DD5/DD8/DD13/ DD15/ DD16/SERIES 50/ SERIES 60/MBE 900/ MBE 4000/CPC2/CPC02T/CPC04T/CPC302T 50/CPC302T 55/CPC302T 60/MBE900//MBE4000/OM502/OM501/DDDL6/DDDL7...
- ISUZU: 4HE1/ AHG1/ 4HK1/ 4HL1 /4HV1/ 4JA1 /4JB1/4JG2/4JH1/ 4JJ1/4JJ3 /4JK1/4KH1/4HE1/ 4HG1/ 4HJ1/ 4HK1/ 4HL1/4HV1/ 4JA1/ 4KH1 /4ZE1 /6HK1/ 6HL1/ 6U2Z/ 6WF1 /6WGt/RZ4E...
- VOLVO: J1708/500K/D13TC/D11/D13/FM Series(FM7/9/10/12)/ FH Series(FH12/16/565)/FL Series(FL10 FL12 FL6FL7)/NH Series(NH12/535/565)/ F Series(F10/12/16)...
- PACCAR: MX10/ MX13/TX-7/TX-8/PX-7/ PX-9/PR/ GR/ BR Series...
- MAXXFORCE: MaxxForce5/7/11/13/15/DT9/DT10...
- CATERPILLAR: C7/ C9/ C11/C13/ C15/ C18/C27/ C32...
- FUSO: Euro 2/3/4/5/6(Canter,Fighter,Super great)...

Full HD OBD Function Support
It supports the following detailed functions:
- Reading Codes: Show the detailed description of the Diagnostic Trouble Code (DTCs).
- Erasing Codes & Reset: Turns off Check Engine Light (MIL), clears codes, and resets monitors.
- Data Stream: Reads and displays live ECU/PCM data stream, plotting functions graphically, and stores freeze frame data.
- I/M Readiness Status: Shows whether the various emissions-related systems on the vehicle are operating properly and are ready for inspection and maintenance testing.
- Read Live Data Stream: Show the information of continuous data stream from a vehicle in live graphic (waveform) display.
- View Freeze Frame Data: Check the certain vehicle conditions which are recorded by the on-board computer at the time the emission-related fault occurs.
- O2 Sensor Test: Allows retrieval and viewing of O2 sensor monitor test results for the most recently performed tests from the vehicle’s on-board computer.
- On-Board Monitor Test: Retrieves and displays test results for emission-related powertrain components and systems.
- Read Vehicle Information: Display the information such as VIN (Vehicle Identification Number), CID (Calibration ID), and CVN (Calibration verification number), etc.
- Component Test: Certain vehicle components can be actuated by commands sent from the scanner to test their operability.

Smart Diagnostic Tools for Maximum Efficiency
4-in-1 Live Data Stream for Accurate Problem Finding
The data is presented in a highly understandable way. This scanner will show you real-time data in text and graphics such as engine speed, engine coolant temperature, fuel system status, short-term fuel trim & more. View the dynamic data stream to determine vehicle condition. Most car scanners only allow you to view two data streams in one graph. However, this Launch CRP129 HD scanner will display and combine 4 data streams in one graph, such as "Engine RPM", "Vehicle Speed", "Engine Coolant Temperature", and "Absolute Throttle Position", providing an intuitive presentation.
Maintenance Report Email Sharing and Printing
You can share your diagnostic report anytime, anywhere.
Online Feedback
If you meet a problem during diagnosis, you can provide feedback to the Launch Technical department.

More User-Friendly Features for Efficient Repairs
- Intelligent AutoVIN: The LAUNCH CRP129 HD automotive scanning tool features an advanced AUTO-VIN function which identifies your truck's info like year, manufacturer, model, and VIN of most models automatically and quickly, leading you into the vehicle diagnostic menu conveniently.
- 2-Year Free Updates: LAUNCH CRP129 HD supports 2 years of free one-click WiFi updates.
- DTC Lookup: LAUNCH CRP129 HD has a separate DTC database, which supports the independent fault code query function.
- Google Chrome Query DTC: LAUNCH CRP129 HD has a "Google Chrome" browser. If you encounter an unclear DTC code, it is convenient to query the DTC.
- Remote Assistance
- 11 Languages Supported: English, French, German, Spanish, Italian, Russian, Portuguese, Japanese, Korean, Polish.

Extensive Vehicle Coverage: 52+ Truck Brands
One Tool for 99% of Worldwide Vehicles
This full-system diesel diagnostic scanner can perform OE-level diagnosis and analysis on all available systems for more than 52+ brands (10,000+ models from 1984-2024) across American, Asian, and European markets. It is compatible with 12V & 24V diesel vehicles, for trucks, buses, RVs, trailers, excavators, diesel engines, pick-ups, and agricultural machinery.
- No IP Restriction, Use Worldwide: LAUNCH CRP129 HD ELITE is fully-capable to use across the world without the restrictions of using features or programs in a certain region.
- Extensive Vehicle Coverage - 10,000+ Diesel Vehicles Supported:
Supported Brands
- America: for CUMMINS DS_USAFORD ALLISON BENDIX_ABS CASE CATERPILLAR DETROIT EATON FREIGHTLINER KENWORTH MAXXFORCE MILLER PACCAR PETERBILT STERLING WABCO_ABS WESTERN_STAR MACK INTERNATIONAL FLEXICOIL...
- Europe: for DAF BENZ CREDO ERF FLEXICOIL IRISBUS IRIZAR IVECO JCB MAN NEOPLAN RENAULT SETRA VOITH VOLVO VOLVO_CE ZF PERKINS...
- Asia: for AISIN ASHOK_LEYLAND,DEUTZ DOOSAN FUSO HINO HYUNDAI ISUZU SITCAR STEYR TATA UD...

Multi-Language Support
Choose your native language without encountering any sort of language barrier. The 11 supported languages are:
English, French, Spanish, German, Korean, Japanese, Portuguese, Italian, Traditional Chinese, Russian, Polish.
Thus, if you feel more comfortable with your native language, you can switch back and forth as necessary.


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