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The Launch CRP129 HD is a compact diagnostic scanner for trucks, buses and other heavy commercial vehicles. You can read fault codes and live data from the engine, transmission, ABS and SRS, and carry out 7 service functions, including DPF regeneration, oil reset, injector coding and the speed limiter. The device works on 12 and 24 V and supports the SAE J1939, J1708 and J1587 protocols.
The device has a 4-inch touchscreen and runs on Android 8.1 with a quad-core processor of 1.3 GHz. It is updated via Wi-Fi. The box includes the 6-pin and 9-pin diesel connectors and a CAT 9-pin connector. When purchased via AsTools, you receive 2 years of software updates.
HIGHLIGHTS
✔Built for heavy transport — J1939, J1708 and J1587 for trucks, buses and machinery.
✔DPF regeneration — Start a regeneration of the diesel particulate filter.
✔Speed limiter — Set or reset the maximum speed.
✔Connectors included — 6-pin, 9-pin and CAT 9-pin in the box.
POINTS TO NOTE
✕Seven service functions — No EPB, ABS bleeding or coding, as with a tablet.
✕Light vehicles — For light vehicles, engine diagnostics only.
✕Small screen — The 4-inch screen shows less data at once.
✕Paid updates after 2 years — After that, you extend with an update licence.
Applications and functionality
The CRP129 HD is intended for truck workshops, fleet managers and mobile mechanics who want to find faults quickly. Below is what the device can do.
Diagnostic functions
AutoVIN and AutoScan: Identify the car and scan all systems.
Systems: Engine, transmission, ABS and SRS.
Fault codes: Read and clear per module.
Live data: As text or graph, also record and play back.
ECU information: Type and versions of the control modules.
OBD II/EOBD
Freeze frame: The situation at the moment of the fault.
Readiness (I/M): The status of the emission systems.
O2 sensor test: The results of the lambda sensor.
EVAP test: Start the leak test of the evaporative system.
On-board monitor: Test results per component.
Software
Fault code library: Explanations for generic and manufacturer codes.
Diagnostic reports: Save, print and share.
Pre- and post-scan: The status before and after the repair.
Updates via Wi-Fi: Update software and vehicle data.
How to use it
Register: Register the device and update it via Wi-Fi.
Connect: Connect the diagnostic cable, with the correct connector if needed.
Identify the vehicle: Let AutoVIN identify the vehicle.
Scan: Scan the systems and view the fault codes.
Repair: Use live data and service functions and clear the codes.
Service and maintenance functions
The CRP129 HD has 7 service functions. Which function works on which vehicle differs by make, model and year of manufacture.
Engine and driveline
Oil reset: Reset the service interval.
Injector coding: Enter the code of new injectors into the ECU.
Cylinder test: Disable cylinders and test compression.
Clutch: Learn the clutch after replacement.
Exhaust and emissions
DPF regeneration: Start a regeneration of the diesel particulate filter.
AdBlue (DEF): Test and control the dosing system.
General
Speed limiter: Set or reset the maximum speed.
Supported vehicle brands
The combination of brand, model and year of manufacture is decisive, not the brand alone. Coverage differs per function; check in advance whether your model and the desired function are included.
Good to know: After registration, update the device fully first. AutoVIN works mainly with newer vehicles; if recognition fails, select the make and model manually.
Update licence (renewal after the free period)
The renewal price may vary slightly. Already own the device? We will ask for the serial number after your order.
Technical specifications
General
The manufacturer of the diagnostic device. Useful if you already know which brand works well in your workshop.Brand
Launch
Whether it is a tablet, a standalone handheld unit, a dongle with an app, or an interface for a PC.Type of device
Diagnostic tablet
Which types of vehicles or machines the device supports. An engine tester, for example, will not work on a truck.Vehicle types
Trucks and trailers
Buses
Which parts of the world the supported brands come from. This shows whether American or Chinese vehicles are also covered.Brand origin
European brands
Asian brands
American brands
Diagnostics
The device shows sensor readings while the engine is running. This lets you check whether a component is working correctly.Live data
Yes
The device recognises the vehicle automatically by its chassis number, saving time searching through menus.Automatic vehicle recognition
Yes
Service and maintenance
Resetting the service light and maintenance interval after an oil change. One of the most commonly used functions in a workshop.Oil reset
Yes
Burning off a blocked diesel particulate filter. Often avoids the cost of a new filter.DPF regeneration
Yes
Entering the code of new injectors into the engine control unit so the engine runs correctly after replacement.Injector coding
Yes
Resetting the AdBlue system on a diesel vehicle after repair or component replacement.AdBlue reset
Yes
Hardware
The system the device or app runs on. For a dongle, this determines compatibility with your phone.Operating system
Android 8.1
The screen size. A larger screen is easier to read, while a smaller device is more convenient in the vehicle.Screen size
4.0 inch
The number of pixels on the screen. The higher this is, the sharper graphs and text appear.Screen resolution
1280 x 720 pixels
The number of cores and the speed of the processor. A faster processor loads menus and scans more quickly.Processor
4-core, 1.3 GHz
How much RAM the device has. More memory helps it run smoothly with demanding software.Memory (RAM)
1 GB
How much space is available for software, vehicle data and reports.Storage
8 GB
How much energy the built-in battery holds. A larger battery lasts longer between charges.Battery capacity
4.000 mAh
Whether the device has Wi-Fi. This allows you to install updates and share reports without a cable.Wi-Fi
Yes
Licence
How long you receive free new software and vehicle coverage. After this, updates often require payment.Free updates
2 years
Other specifications
Type
Diagnostic reader for commercial vehicles
Vehicle type
Truck, bus, commercial vehicle
Battery
Approx. 3000 mAh
Connectivity
Wi-Fi, USB-C
Vehicle voltage
12 and 24 V
Protocols
SAE J1939, J1708, J1587, OBD II/EOBD
Service functions
7
Languages
11
Shipping weight
2.38 kg
Reviews
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★★★★★Handelsonderneming Rodiger B.
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