Must Read Before Buying
We are the LAUNCH Official Authorized Store in Aliexpress! 100% Original Products and Best Price. We Support Wholesale Price and Dropshipping !!!
If you encounter payment problems, please contact us in time!

2025 New LAUNCH CR300 OBD2 Scanner Better than ELM327 Full OBD2 Function Diagnostic tool Read and Clear code, Lifetime free update
LAUNCH CR300 Supports language
English , French , Spanish , German , Italian , Portuguese , Russian , Polish , Dutch

Have you ever encountered such a problem ?
1. Spending a lot of time and money to clear the engine fault light.
2. Serious environmental pollution.
3. Increased fuel consumption
4. Increased in temperature
5. Engine oil burner
6. Increase engine noise

LAUNCH CR300 Support Full OBD2 functions, Engine Check including
Reading Codes:Show the detailed description of the Diagnostic Trouble Code (DTCs)
Erasing Codes & Reset:Turns off Check Engine Light (MIL), clears codes and resets monitors.
Data Stream:Reads and displays live ECU/PCM data stream, plotting functions graphically and stores freeze frame data.
I/M Readiness Status:Shows whether the various emissions-related systems on the vehicle are operating properly and are ready for inspection and maintenance testing.
Read Live Data Stream:Show the information of continuous data stream from a vehicle in live graphic (waveform) display.
View Freeze Frame Data:Check the certain vehicle conditions which are recorded by the on-board computer at the time the emission-related fault occurs.
O2 Sensor Test:Allows retrieval and viewing of O2 sensor monitor test results for the most recently performed tests from the vehicle’s on-board computer.
On-Board Monitor Test:Retrieves and displays test results for emission-related powertrain components and systems.
Read Vehicle Information:Display the information such as VIN (Vehicle Identification Number), CID (Calibration ID) and CVN (Calibration verification number), etc.
Component Test:Certain vehicle components can be actuated by commands sent from the scanner to test their operability

LAUNCH CR300 Supports All OBD-II protocols
1. SAE J1850 PWM (41.6Kbaud)
2. SAE J1850 VPW (10.4Kbaud)
3. ISO9141-2 (5 baud init, 10.4Kbaud)
4. ISO14230-4 KWP (5 baud init, 10.4 Kbaud)
5. ISO14230-4 KWP (fast init, 10.4 Kbaud)
6. ISO15765-4 CAN (11bit ID, 500 Kbaud)
7. ISO15765-4 CAN (29bit ID, 500 Kbaud)
8. ISO15765-4 CAN (11bit ID, 250 Kbaud)
9. ISO15765-4 CAN (29bit ID, 250 Kbaud)
On-board Monitor Test
Retrieves and displays test results for emission-related powertrain components and systems. Which is a way to find out if the engine has any misfire or compression problems on a particular cylinder, or other data that might indicate a problem but isn’t severe enough to trigger a check engine light.

LAUNCH CR300 Packing List





