1. Ro-ràdh
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. Toradh thallview
2.1. Co-phàirtean inneal
The LAUNCH CRP129E Plus features a user-friendly interface with a 5-inch touchscreen and physical buttons for navigation.

Dealbh 2.1: The LAUNCH CRP129E Plus OBD2 Scanner and its protective carrying case.

Dealbh 2.2: Cùl view of the CRP129E Plus, displaying input voltage, current specifications, and serial number (e.g., 979550152395).
2.2. Pasgan-susbaint
Upon unboxing, verify that all items listed below are present:
- CRP129E PLUS OBD2 Scanner (x1)
- OBDII Cable (x1)
- 5V DC Charging Cable (x1)
- Leabhar-làimhe Cleachdaiche (x1)
- Stiùireadh Tòiseachaidh Luath (x1)
- Poca giùlain (x1)

Dealbh 2.3: Visual representation of the CRP129E Plus package contents.
3. Suidheachadh agus Cleachdadh Tùsail
3.1. A 'cur cosgais air an inneal
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. A ’toirt cumhachd air / dheth
- Cumhachd air: Brùth is cum sìos am putan cumhachd gus an las an sgrion suas.
- Cumhachd dheth: Press and hold the power button, then select "Power Off" from the options.
3.3. A’ ceangal ris a’ charbad
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.
- Bho phrìomh chlàr-taice, tap air “Roghainnean”.
- Select "WLAN" and connect to an available network.
- Return to the main menu and tap "Upgrade".
- Select the desired software updates and tap "Update".

Dealbh 3.1: The device interface showing options for updates, DTC lookup, live data stream, and battery test.
4. Stiùireadh Obrachaidh
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.

Dealbh 4.1: Visual representation of the Auto VIN scan process and systems covered by diagnosis.
4.2. Breithneachadh Siostaim Iomlan
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.

Dealbh 4.2: Thairisview of the comprehensive system diagnostic capabilities.
4.3. OBD2 Functions
The device supports all 10 modes of OBDII testing for emissions-related issues.
- Leugh/Sguab às DTCan: Faigh air ais agus cuir às do chòdan trioblaid breithneachaidh.
- Sruth Dàta Beò: View real-time data from the vehicle's sensors.
- Deisealachd I / M: Thoir sùil air inbhe nan sgrùdairean co-cheangailte ri sgaoilidhean.
- Reothadh an dàta frèam: View a snapshot of vehicle conditions when a fault code was set.
- Deuchainn Mothachaidh O2: Faigh a-mach toraidhean deuchainn monitor O2 sensor.
- Deuchainn Sgrùdaidh Air-Bòrd: Retrieve results for emission-related powertrain components.
- Deuchainn Siostam EVAP: Initiate a test of the evaporative emission system.
- Fiosrachadh carbaid: Retrieve vehicle identification number (VIN), calibration ID, and calibration verification number (CVN).

Dealbh 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.
- Ath-shuidheachadh ola: Ath-shuidhichidh e siostam beatha na h-ola an dèidh atharrachadh ola.
- Atharrachadh Throttle: Initializes the throttle actuators to the default state.
- Adblue Reset: Resets the urea after the diesel exhaust fluid (AdBlue) is replaced or refilled.
- Ceann-cinnidhamp A' maidseadh: Calibrates the adaptive front lighting system.
- Ath-shuidheachadh TPMS: Ath-shuidhichidh e mothachairean siostam sgrùdaidh cuideam taidhrichean.
- Ath-shuidheachadh SAS: A’ calabrachadh an sensor ceàrn stiùiridh.
- 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.
- Còdachadh In-stealladh: A’ còdachadh àireamhan in-stealladh ùra chun ECU.
- Ath-shuidheachadh EPB: Resets the electronic parking brake pads after replacement.
- Fuil ABS: Performs bleeding of the brake system.

Dealbh 4.4: Thairisview 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.

Dealbh 4.5: Example of 4-in-1 live data graphing and diagnostic report generation.
4.6. Bataraidh Voltage Deuchainn
Monitor the vehicle's battery voltage in real-time to assess its status and identify potential issues.

Dealbh 4.6: Bataraidh voltage test interface and other diagnostic support features.
5. Cumail suas
- Glanadh: Cleachd clò bog, tioram airson an inneal a ghlanadh. Seachain innealan-glanaidh no fuasglaidhean sgrìobach.
- Stòradh: Store the device in its carrying case in a cool, dry place when not in use.
- Ùrachaidhean bathar-bog: Regularly check for and install software updates via Wi-Fi to ensure optimal performance and vehicle compatibility.
- Cùram Bataraidh: Avoid fully discharging the battery frequently. Charge the device regularly, even if not in active use, to maintain battery health.
6. A ’dèanamh trioblaid
| Trioblaid | Adhbhar a dh’fhaodadh a bhith ann | Fuasgladh |
|---|---|---|
| Chan eil cumhachd aig an inneal. | 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. |
| Sgrion gun fhreagairt. | Mearachd bathar-bog; milleadh corporra. | Restart the device. If issue persists, contact support. |
7. Sònrachaidhean
- Modail: CRP129E PLUS
- Siostam-obrachaidh: Android 7.0
- Taisbeanadh: Sgrion-làimhe 5-òirleach
- Cuimhne: 16 GB
- Bataraidh: 6100 mAh
- Ceangal: Wi-Fi
- Meudan: 7.09 x 6.3 x 2.36 òirleach
- Cuideam nì: 2.27 not
- Pròtacalan le taic: OBDII/EOBD
- Còmhdach carbaid: Over 85 brands (1996-2025)
- UPC: 884508007774

Dealbh 7.1: Summary of key hardware and software specifications.

Dealbh 7.2: Extensive vehicle brand coverage and multi-language support.
8. Barantas agus Taic
The LAUNCH CRP129E Plus comes with a manufacturer's warranty. Please refer to the official LAUNCH weblàrach-lìn no na sgrìobhainnean ceannach agad airson teirmichean is cumhaichean barantais sònraichte.
- Barantas: 5 Years (as per product information)
- Return/Replace Policy: 90 Days (as per product information)
- Taic Teicnigeach: 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.