1. Introduction
This manual provides detailed instructions for the operation and maintenance of the LAUNCH CRP129E Plus OBD2 Scanner. Please read this manual thoroughly before using the device to ensure proper and safe operation. The CRP129E Plus is a comprehensive diagnostic tool designed for automotive professionals and enthusiasts, offering full system diagnostics and various service reset functions.
2. Product Overview
2.1. Device Components
The LAUNCH CRP129E Plus features a user-friendly interface with a 5-inch touchscreen and physical buttons for navigation.
Image 2.1: The LAUNCH CRP129E Plus OBD2 Scanner and its protective carrying case.
Image 2.2: Rear view of the CRP129E Plus, displaying input voltage, current specifications, and serial number (e.g., 979550152395).
2.2. Package Contents
Upon unboxing, verify that all items listed below are present:
- CRP129E PLUS OBD2 Scanner (x1)
- OBDII Cable (x1)
- 5V DC Charging Cable (x1)
- User Manual (x1)
- Quick Start Guide (x1)
- Carrying Bag (x1)
Image 2.3: Visual representation of the CRP129E Plus package contents.
3. Setup and Initial Use
3.1. Charging the Device
Before first use, ensure the device is fully charged using the provided 5V DC charging cable. Connect the cable to the device and a suitable power source.
3.2. Powering On/Off
- Power On: Press and hold the power button until the screen illuminates.
- Power Off: Press and hold the power button, then select "Power Off" from the options.
3.3. Connecting to Vehicle
Locate the vehicle's OBDII port, typically under the dashboard on the driver's side. Connect the provided OBDII cable from the CRP129E Plus to the vehicle's OBDII port. Ensure the vehicle's ignition is in the ON position (engine off or running, depending on the diagnostic task).
3.4. Wi-Fi Connection and Updates
The CRP129E Plus supports one-click Wi-Fi updates. Connect the device to a stable Wi-Fi network to download the latest software and vehicle data. Regular updates ensure compatibility with new vehicle models and improved diagnostic functions.
- From the main menu, tap "Settings".
- Select "WLAN" and connect to an available network.
- Return to the main menu and tap "Upgrade".
- Select the desired software updates and tap "Update".
Image 3.1: The device interface showing options for updates, DTC lookup, live data stream, and battery test.
4. Operating Instructions
4.1. Auto VIN Scan
The device can automatically identify vehicle information. After connecting to the vehicle, select "Diagnose" and the device will attempt an Auto VIN scan to quickly identify the vehicle's make, model, and year.
Image 4.1: Visual representation of the Auto VIN scan process and systems covered by diagnosis.
4.2. Full System Diagnostics
The CRP129E Plus can access and diagnose all available vehicle systems. This includes, but is not limited to, Engine, ABS, SRS, SAS, TCM, TPMS, Body, Chassis, Powertrain, Fuel System, and Lighting System.
- From the main menu, select "Diagnose".
- Choose "Health Report" or select specific systems for diagnosis.
- The device will scan for Diagnostic Trouble Codes (DTCs) and display results.
- You can read fault codes, clear fault codes, and view live data streams.
Image 4.2: Overview of the comprehensive system diagnostic capabilities.
4.3. OBD2 Functions
The device supports all 10 modes of OBDII testing for emissions-related issues.
- Read/Clear DTCs: Retrieve and erase diagnostic trouble codes.
- Live Data Stream: View real-time data from the vehicle's sensors.
- I/M Readiness: Check the status of emission-related monitors.
- Freeze Frame Data: View a snapshot of vehicle conditions when a fault code was set.
- O2 Sensor Test: Retrieve O2 sensor monitor test results.
- On-Board Monitor Test: Retrieve results for emission-related powertrain components.
- EVAP System Test: Initiate a test of the evaporative emission system.
- Vehicle Information: Retrieve vehicle identification number (VIN), calibration ID, and calibration verification number (CVN).
Image 4.3: Main menu options for OBD2 functions.
4.4. Service Reset Functions
The CRP129E Plus offers 12+ essential service reset functions for common maintenance tasks.
- Oil Reset: Resets the oil life system after an oil change.
- Throttle Adaptation: Initializes the throttle actuators to the default state.
- Adblue Reset: Resets the urea after the diesel exhaust fluid (AdBlue) is replaced or refilled.
- Headlamp Matching: Calibrates the adaptive front lighting system.
- TPMS Reset: Resets tire pressure monitoring system sensors.
- SAS Reset: Calibrates the steering angle sensor.
- Battery Matching (BMS Reset): Registers new battery replacement.
- A/F Reset: Adjusts air/fuel ratio parameters.
- D-P-F Regeneration: Clears particulate matter from the DPF filter.
- Injector Coding: Codes new injector numbers to the ECU.
- EPB Reset: Resets the electronic parking brake pads after replacement.
- ABS Bleeding: Performs bleeding of the brake system.
Image 4.4: Overview of available service reset functions.
4.5. Live Data Graphing and Recording
The device can display live data streams in merged quadrant graphs, allowing for comprehensive analysis of up to four parameters simultaneously. Data can also be recorded and played back for further review.
Image 4.5: Example of 4-in-1 live data graphing and diagnostic report generation.
4.6. Battery Voltage Test
Monitor the vehicle's battery voltage in real-time to assess its status and identify potential issues.
Image 4.6: Battery voltage test interface and other diagnostic support features.
5. Maintenance
- Cleaning: Use a soft, dry cloth to clean the device. Avoid abrasive cleaners or solvents.
- Storage: Store the device in its carrying case in a cool, dry place when not in use.
- Software Updates: Regularly check for and install software updates via Wi-Fi to ensure optimal performance and vehicle compatibility.
- Battery Care: Avoid fully discharging the battery frequently. Charge the device regularly, even if not in active use, to maintain battery health.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Low battery; faulty power button. | Charge the device for at least 30 minutes. If issue persists, contact support. |
| Communication error with vehicle. | Loose OBDII connection; vehicle ignition off; incompatible vehicle protocol. | Ensure cable is securely connected. Turn ignition to ON. Verify vehicle compatibility. |
| Unable to update software. | No Wi-Fi connection; unstable internet; insufficient storage. | Check Wi-Fi connection. Ensure stable internet. Free up storage if necessary. |
| Screen unresponsive. | Software glitch; physical damage. | Restart the device. If issue persists, contact support. |
7. Specifications
- Model: CRP129E PLUS
- Operating System: Android 7.0
- Display: 5-inch Touchscreen
- Memory: 16GB
- Battery: 6100mAh
- Connectivity: Wi-Fi
- Dimensions: 7.09 x 6.3 x 2.36 inches
- Item Weight: 2.27 pounds
- Supported Protocols: OBDII/EOBD
- Vehicle Coverage: Over 85 brands (1996-2025)
- UPC: 884508007774
Image 7.1: Summary of key hardware and software specifications.
Image 7.2: Extensive vehicle brand coverage and multi-language support.
8. Warranty and Support
The LAUNCH CRP129E Plus comes with a manufacturer's warranty. Please refer to the official LAUNCH website or your purchase documentation for specific warranty terms and conditions.
- Warranty: 5 Years (as per product information)
- Return/Replace Policy: 90 Days (as per product information)
- Technical Support: 24/7 technical support is available. For assistance, please contact LAUNCH customer service.
- Online Feedback: The device supports online feedback for quick resolution of diagnostic issues.
For further assistance or to provide feedback, please visit the official LAUNCH support channels.
