Introduction
The LAUNCH CRP123I V2.0 is a professional OBD2 car scanner diagnostic tool designed for comprehensive vehicle diagnostics. This device offers in-depth analysis of four core systems (Engine, Transmission, ABS, SRS) and includes seven essential maintenance reset functions. With its user-friendly interface, lifetime free updates, and wide vehicle compatibility, it is an indispensable tool for car owners, DIY enthusiasts, and technicians.
This manual provides detailed instructions on how to set up, operate, and maintain your CRP123I V2.0 device, ensuring you can effectively diagnose and resolve common vehicle issues.
What's in the Box
Upon opening your LAUNCH CRP123I V2.0 package, you should find the following items:
- 1 x LAUNCH CRP123I V2.0 Main Unit
- 1 x OBDII Diagnostic Cable
- 1 x USB Charging Cable
- 1 x Carry Bag
- 1 x User Manual
- 1 x Quick Start Guide
- 1 x Color Box (Packaging)

Setup Guide
Follow these steps for initial setup and connection of your LAUNCH CRP123I V2.0 diagnostic tool:
- Unpack the Device: Carefully remove all components from the packaging.
- Connect the OBDII Cable: Plug the OBDII Diagnostic Cable into the DB15 port on the CRP123I V2.0 main unit. Ensure a secure connection.
- Connect to Vehicle: Locate your vehicle's 16-pin OBDII port (usually under the dashboard on the driver's side) and plug the other end of the OBDII Diagnostic Cable into it.
- Power On Vehicle: Turn your vehicle's ignition to the 'ON' position (engine off).
- Power On Device: Press the power button on the CRP123I V2.0 main unit to turn it on. The device will boot up and display the main menu.
- Initial Configuration: Upon first use, you may need to configure language, time zone, and connect to Wi-Fi for updates.

Operating Instructions
The LAUNCH CRP123I V2.0 offers a range of diagnostic and maintenance functions. Navigate the device using the 5-inch touchscreen and physical buttons.
1. 4 System Diagnostic
This tool provides in-depth diagnostics for the Engine, Transmission, Anti-lock Braking System (ABS), and Supplemental Restraint System (SRS/Airbag).
- Engine System Diagnosis: Read and clear Diagnostic Trouble Codes (DTCs), view live data streams to pinpoint engine problems, and turn off the Check Engine Light.
- ABS System Diagnosis: Access the ABS system to view live data, retrieve fault codes, and troubleshoot issues related to braking components, turning off the ABS warning light.
- SRS System Diagnosis: Detect electronic parameters within the SRS system to check health status, address potential issues, and turn off the Airbag warning light, ensuring driving safety.
- Transmission System Diagnosis: Check the transmission system by reading codes and viewing live data to ensure proper power delivery to the wheels and turn off related warning lights.

2. 7 Reset Functions
The CRP123I V2.0 includes seven essential OE-level reset services:
- Oil Lamp Reset Service: Resets the engine oil life system after an oil change.
- SAS Steering Angle Sensor Reset: Resets the steering angle to zero for proper vehicle alignment.
- Electronic Throttle Position Reset: Initializes throttle actuators and returns learned values to default, ensuring accurate air intake control.
- BMS Reset/Battery Matching: Resets the vehicle battery monitoring unit, clearing old fault information and performing battery matching.
- DPF Reset: Clears Particulate Matter (PM) from the Diesel Particulate Filter through regeneration processes.
- Injector Coding: Writes or rewrites injector codes to the Engine Control Unit (ECU) for precise fuel injection control.
- RESET ETS/ELEC.THROTTLE RLRN: Initializes the throttle actuator to its default state.

3. Professional Full OBDII Functions
The device supports all 10 modes of OBDII standard, ensuring comprehensive and accurate system diagnosis:
- Read and Clear DTCs (Diagnostic Trouble Codes)
- I/M Readiness Monitor Status
- View Freeze Frame Data
- O2 Sensor Test
- On-Board Monitor Test (Mode 06)
- EVAP System Test (Mode 08)
- Vehicle Information (VIN, CID, CVN)
- DTC Lookup Library for code definitions
4. AutoVIN Identification
The AutoVIN technology automatically identifies vehicle make, model, and year information, streamlining the diagnostic process. After a successful VIN scan, the system will proceed to scan vehicle systems and generate a diagnostic report.

Note: For vehicles not supporting the Auto VIN Scan function, you may manually enter the vehicle VIN.
5. Live Data Stream Analysis
The CRP123I V2.0 displays live sensor data in text or merged graphics, allowing for intuitive diagnostics and real-time monitoring of vehicle performance. This helps in analyzing abnormal parameters effectively.
6. DTC Lookup Library
Access a built-in database of over 3000 DTC definitions, assisting in understanding and resolving diagnostic trouble codes quickly.

7. Real-Time Battery Voltage Graphing
Monitor your vehicle's battery status in real-time with graphical representation, helping to identify and address potential battery problems.
Maintenance
Software Updates
The LAUNCH CRP123I V2.0 offers lifetime free software updates via Wi-Fi. To update your device:
- Ensure the device is connected to a stable Wi-Fi network.
- From the main menu, select 'Upgrade'.
- The device will check for available updates. Select the software you wish to update and follow the on-screen prompts.

Cleaning and Storage
- Clean the device with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Store the device in its carry bag in a cool, dry place when not in use.
- Avoid exposing the device to extreme temperatures or direct sunlight.
Troubleshooting
If you encounter issues with your CRP123I V2.0, refer to the following common problems and solutions:
- Device does not power on: Ensure the OBDII cable is securely connected to both the vehicle and the device, and the vehicle's ignition is in the 'ON' position. Check the device's battery level.
- Cannot connect to vehicle: Verify the OBDII cable connection. Ensure your vehicle is OBDII compliant (most vehicles from 1996 onwards). Try a different vehicle to rule out a vehicle-specific issue.
- No communication with ECU: Check the vehicle's ignition status. Ensure the correct vehicle make/model is selected if not using AutoVIN.
- Diagnostic report not generating: Ensure the device has completed the scan. Check Wi-Fi connection if attempting to email the report.
- Slow performance: Ensure the device software is up-to-date. Clear cache or perform a recovery if necessary via the settings menu.

For further assistance, utilize the 'Online Feedback' feature on the device to submit diagnostic problems to LAUNCH for analysis and troubleshooting.
Specifications
| Feature | Specification |
|---|---|
| Model Name | CRP123I V2.0 |
| Communication Interface | OBD-II |
| Display Screen | 5 inches, 1280*720P |
| Operating System | Android 8.1 |
| Battery Capacity | 3.7V/6000mAh |
| Running Memory (RAM) | 2GB |
| Storage Space | 32GB (approx. 25.9GB usable) |
| Wi-Fi | Yes (Dual-band) |
| Bluetooth | No |
| Connection Method | Wired |
| Main Diagnostic Cable Interface | DB15 (double row) to OBDII 16PIN |
| Main Diagnostic Cable Length | 120cm |
| Free Update Period | Lifetime (Permanently free) |
| Upgrade Method | Online upgrade (One-Click Wi-Fi updates) |
| Registration Required | No manual registration (automatically activated when connected to Wi-Fi) |
| Diagnostic Level | Four-system basic diagnosis + full system and full function for shopping mall selection |
| Maintenance Resets | 7 (Oil/Throttle/SAS/BMS/EPB/DPF Reset/ABS Bleeding, Battery Test) |
| Supported Languages | English, French, Spanish, German, Italian, Japanese, Korean, Polish, Portuguese, Russian, Traditional Chinese |
| Vehicle Coverage | 57+ Car Brands, 10000+ Models (1996-2025), supports Diesel (12v only), 12V passenger car, pickup, light-duty truck, SUV, gasoline, Minivans. Compatible with OBD2/EOBD/JOBD&CAN protocols. |
| Packing Size | 250*175*75 (mm) |
| Certifications | CE, Dot, EAC, EPA, FCC, GMP, RoHS, TGA, UL, KC, pse, weee |
Important Note: The LAUNCH CRP123I V2.0 scanner supports passenger vehicles with an OBD II interface input voltage of 9V~18V. Do not use for commercial vehicles, as this may damage the device.
User Tips
- Vehicle Compatibility: The CRP123I V2.0 is confirmed to work with a wide range of vehicles, including newer models like the Ford Explorer 2023. Always ensure your vehicle is OBDII compliant.
- Wi-Fi Connection: A stable Wi-Fi connection is crucial for seamless software updates and accessing additional functions in the 'Mall' section.
- Diagnostic Reports: Utilize the diagnostic report feature to save and share detailed inspection results, which can be helpful for tracking vehicle health or consulting with mechanics.
- Expand Functions: Explore the 'Mall' feature on the device to purchase additional reset services beyond the standard seven, if needed for specific vehicle maintenance tasks.
Warranty and Support
The LAUNCH CRP123I V2.0 comes with a one-year warranty. We offer free after-sale service within this period. Additionally, 7*24 technical support is available to assist you with any queries or issues you may encounter.
For technical assistance, please refer to the 'Feedback' option within the device's menu or contact our support team directly.





