LAUNCH crp123i

LAUNCH OBD2 Scanner CRP123i V2.0 User Manual

Model: CRP123i

Introduction

The LAUNCH CRP123i V2.0 is a comprehensive OBD2 diagnostic scan tool designed for automotive professionals and enthusiasts. It provides advanced diagnostic capabilities for Engine, ABS, SRS, and Transmission systems, along with seven essential reset functions. Featuring a user-friendly interface, lifetime free updates, and broad vehicle compatibility, this tool assists in efficient vehicle maintenance and troubleshooting.

What's in the Box

Contents of the LAUNCH CRP123i V2.0 package including the scanner, cables, and carrying bag.

Image: The LAUNCH CRP123i V2.0 scanner, main OBD II diagnostic cable, USB charging cable, carrying bag, user manual, quick start guide, and color box.

  • Creader Professional 123i handset
  • OBD II diagnostic cable
  • DC 5V charging cable
  • Carrying bag
  • User manual

Product Overview

Front view of the LAUNCH CRP123i V2.0 OBD2 scanner showing its 5-inch touchscreen and navigation buttons.

Image: The LAUNCH CRP123i V2.0 diagnostic tool with its main screen displaying various diagnostic options and physical navigation buttons.

The CRP123i V2.0 features a 5-inch touchscreen display, intuitive navigation buttons, and a robust design for professional use. It is powered by Android 8.1 and includes 32GB of memory for efficient operation and data storage.

Back view of the LAUNCH CRP123i V2.0 scanner showing product labels and ventilation.

Image: The rear of the LAUNCH CRP123i V2.0 device, displaying its model number, serial number (979550219536), input voltage requirements, and compliance markings.

Setup

  1. Charging the Device: Connect the DC 5V charging cable to the device and a power source. Ensure the device is fully charged before first use.
  2. Power On: Press and hold the power button to turn on the device.
  3. Initial Setup: Follow the on-screen prompts to select your language, time zone, and connect to a Wi-Fi network for updates.
  4. Connecting to Vehicle: Locate the OBD II port in your vehicle (usually under the dashboard). Connect the OBD II diagnostic cable from the CRP123i V2.0 to the vehicle's OBD II port.

Video: Demonstrates connecting the LAUNCH Creader OBD2 Scanner to a vehicle and performing a one-click WiFi update. This video highlights the ease of initial setup and software updates.

Operating Instructions

4-System Diagnostic Functions

Diagram illustrating 4-system diagnosis for Engine, Transmission, ABS, and SRS systems.

Image: Visual representation of the LAUNCH CRP123i V2.0's capability to diagnose Engine, Transmission, ABS (Anti-lock Braking System), and SRS (Supplemental Restraint System) for comprehensive vehicle health checks.

The CRP123i V2.0 can diagnose four main systems: Engine, Transmission, Anti-lock Braking System (ABS), and Supplemental Restraint System (SRS/Airbag). To perform a diagnosis:

  1. From the main menu, select "Diagnose".
  2. The device will automatically detect the vehicle's VIN (Vehicle Identification Number) and establish communication.
  3. Select the system you wish to diagnose (Engine, ABS, SRS, or Transmission).
  4. You can then read fault codes, clear codes, view live data streams, and retrieve vehicle information.

7 Hot Reset Functions

Illustrations of seven hot reset services: Oil Reset, Steering Angle Reset, Electric Throttle Relearn, Brake Reset, DPF Reset, ABS Bleeding, and Battery Matching.

Image: Depicts the seven common maintenance reset functions supported by the scanner, including Oil Reset, Steering Angle Reset (SAS), Throttle Matching, ABS Bleeding, Battery Management System (BMS) Reset, Brake Reset, and Diesel Particulate Filter (DPF) Regeneration.

The tool supports 7 common maintenance reset functions:

  • Oil Reset: Resets the oil life system after an oil change.
  • SAS Reset (Steering Angle Sensor): Resets the steering angle sensor.
  • Throttle Matching: Relearns the throttle body position.
  • ABS Bleeding: Performs ABS brake bleeding to restore ABS brake sensitivity.
  • BMS Reset (Battery Management System): Registers the new battery after replacement.
  • Brake Reset (EPB): Resets the electronic parking brake after brake pad replacement.
  • DPF Regeneration (Diesel Particulate Filter): Clears particulate matter from the DPF filter.

To perform a reset function, select "Reset" from the main menu and choose the desired function. Follow the on-screen instructions carefully.

Full OBD2 Functions

The CRP123i V2.0 supports all 10 OBD2 test modes, allowing for comprehensive emission-related diagnostics:

  • Read/Clear Codes (Generic, Manufacturer Specific, Pending)
  • Live Data Stream (Graphical display of sensor data)
  • I/M Readiness Status (Emission readiness check)
  • Freeze Frame Data (Snapshot of vehicle conditions when a fault code is set)
  • O2 Sensor Test
  • On-Board Monitor Test (Mode 6)
  • EVAP System Test (Mode 8)
  • Vehicle Information (VIN, CID, CVN)
  • DTC Lookup Library
Collage of multiple useful functions including Plug & Play, 4-in-1 Live Data Graphing, Data Record and Replay, Share & Print Diagnostic Report, DTC Library, and Fault Codes Google Search.

Image: Overview of the scanner's versatile features, such as direct plug-and-play operation, real-time data graphing, data recording and playback, the ability to generate and share diagnostic reports, an integrated DTC library, and a function for Google searching fault codes.

Screenshot of 4-in-1 live data graph showing various engine parameters.

Image: A detailed view of the 4-in-1 live data graphing feature, displaying multiple engine parameters simultaneously for in-depth analysis, such as Left Front Wheel Speed Sensor Input, Long & Short Fuel Trim, Engine RPM, and Fuel Tank Pressure.

Battery Test

The device can monitor the real-time voltage of 12V vehicle batteries, displayed graphically, to help assess battery health.

Maintenance

Software Updates

The LAUNCH CRP123i V2.0 offers lifetime free software updates via Wi-Fi. To update:

  1. Ensure the device is connected to a stable Wi-Fi network.
  2. From the main menu, select "Upgrade".
  3. The device will check for available updates. Select the desired software packages and tap "Update" to download and install.

Regular updates ensure compatibility with the latest vehicle models and provide new features and bug fixes.

Video: Illustrates the one-click WiFi update process for the LAUNCH Creader OBD2 Scanner, showing how to easily keep the device's software current.

Cleaning and Storage

  • Clean the device with a soft, damp cloth. Do not use abrasive cleaners or solvents.
  • Store the device in its carrying 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, consider the following:

ProblemPossible CauseSolution
Device does not power on.Low battery; faulty charging cable/adapter.Charge the device fully. Check charging cable and adapter.
Communication error with vehicle.Loose OBD II connection; vehicle ignition off; incompatible vehicle.Ensure cable is securely connected. Turn vehicle ignition to ON position. Verify vehicle compatibility.
Software update failure.Unstable Wi-Fi connection; insufficient storage.Ensure strong Wi-Fi signal. Free up storage space if needed. Try updating again.

For further assistance, utilize the "Diagnostic Feedback" feature on the device to send detailed reports to technical support.

Specifications

  • Operating System: Android 8.1
  • Display: 5-inch Touchscreen, 720p resolution
  • Memory: 32GB
  • Battery: 6100mAh Lithium Ion (1 required)
  • Connectivity: Wi-Fi
  • Dimensions: 8.98 x 4.92 x 1.36 inches
  • Item Weight: 1.2 pounds
  • Model Number: crp123i
  • Manufacturer Part Number: LAUNCH Creader123i
  • UPC: 752349628093
  • Supported Protocols: OBD2, EOBD, JOBD, CAN
  • Vehicle Coverage: Supports over 100,000+ cars, 1996-2025 models, including FCA SGW-equipped cars (2018+ with AutoAuth).

Warranty and Support

The LAUNCH CRP123i V2.0 comes with a 5-year backup warranty. For any technical issues or support, please contact LAUNCH customer service. You can also use the "Diagnostic Feedback" feature on the device for direct assistance.

For additional resources, including the official User Guide (PDF), please refer to the product page or the manufacturer's website.

Download User Guide (PDF)

© 2025 LAUNCH. All rights reserved.

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