Launch CRP129 HD Heavy Duty Truck Scanner
Official Authorized Dealer
Fast, Free Delivery & No Tax
US Free shipping & No Tax. It usually takes 3-7 business days for your package to be delivered, so you can sit back and relax, worry-free. If the item is out of stock, it may take 7–15 days to restock.
30-Days Money-Back Guarantee
Return undamaged products within 30 days for a full refund.
1-Year Free Warranty
We offer a complimentary one-year warranty for your peace of mind. For any warranty-related inquiries, please contact us at sales@autointhebox.com.
Life-time Customer Service
We’re committed to providing ongoing support for the lifetime of your product. For any questions or concerns, please contact us at service@autointhebox.com.
Payment Mthods
Delivery Methods
Launch CRP129 HD | Full System Heavy Duty Truck & Diesel Diagnostic Scanner
The Launch CRP129 HD is the dedicated diagnostic solution built for the unique demands of heavy-duty vehicles. With specialized coverage for 56+ major HD brands and critical 7 HD-specific service functions, it is an essential tool for mechanics, fleet owners, and workshop focused on diesel-powered commercial vehicle.
Key Diagnostic & Service Functions
1. Full System HD Diagnostics: Read and clear DTCs, view live data, and retrieve system information for all major vehicle systems, including Engine, Transmission, ABS, and Emission Control.

2. 7 Essential HD Service Functions:
- Oil Service Reset
- Diesel Particulate Filter (DPF) Regeneration
- Diesel Exhaust Fluid (DEF/Urea) Pump Control
- Injector Coding:
- Speed Limit Adjustment
- Cylinder Cut-Off & Compression Test
- Clutch Learning

3. One-Touch AutoVIN: Automatically identifies the vehicle's make, model, and year for HD trucks manufactured in 2006 or later, enabling faster setup.
Advanced Diagnostic Tools for Professional Use
1. 4-in-1 Graphic Live Data: Quickly monitor and graph up to 4 different Parameter IDs (PIDs) simultaneously to analyze sensor interactions.
2. Data Stream Record & Playback: All records are saved in "My Reports". You can go back to review diagnostic sessions.
3. Complete 10 OBD2 Mode Support:
- Read Codes
- Clear Codes
- Live data
- I/M Readiness
- Freeze Frame
- O2 Sensor Test
- On-board Monitor Test
- EVAP Test (Mode $8)
- Vehicle Info. Access


4. Online User Feedback & MALL: Access repair suggestions from Launch's certified professionals and purchase additional software packages via the integrated tool "MALL".
Software Update / Warranty
2 Years of Updates
5 Years of Product Warranty

