Launch U400 OBD2 Automotive Scanner Code Reader Diagnostic Car Scan Tool
OBD2-II Automotive Scanner Code Reader Diagnostic Tools
LAUNCH X431 U400 OBD2 Automotive Scanner Code Reader Diagnostic Tools
Live data on Graph - OBD2 Automotive Scanner Code Reader Diagnostic Tools
LAUNCH X431 U400 OBD2 Automotive Scanner Code Reader Diagnostic Tools
LAUNCH X431 U400 OBD2 Automotive Scanner Code Reader Diagnostic Tools

Launch U400 OBD2 Automotive Scanner EPB Oil Reset Transmission Diagnosis

$59.90
$59.90
$119.90
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LAUNCH X431 U400 OBD2 Automotive Scanner 

Professional 4-in-1 Diagnostic Tool | EPB & Oil Reset | Engine &Transmission Diagnosis

The LAUNCH U400 is a powerful, 4-inch color display auto scanner designed for both DIY enthusiasts and professional technicians. It moves beyond basic code reading by integrating essential maintenance resets and advanced system diagnostics, making it the ideal upgrade from the U100/200/300 series.
Diagnostic Car Scan Tool


Key Features & Functions

1. Full OBDII/EOBD Engine Diagnostics

  • Quickly reads and clears check engine light (MIL) codes.

  • Displays real-time engine live data, freeze frames, and I/M readiness monitors.

  • Identifies vehicle-specific information (VIN, EIN, and Calibration ID).

  • Supports all major protocols: ISO9141-2, ISO14230-4, SAE J1850, and ISO15765-4 (CAN).

2. Transmission Diagnosis (Newly Added)

  • Performs comprehensive diagnostics on the automatic transmission system.

  • Reads transmission fault codes and views live data streams (e.g., gear position, fluid temperature, and input/output shaft speeds).

  • Helps pinpoint shifting issues and solenoid problems for accurate repairs.

3. EPB (Electronic Parking Brake) Reset

  • Essential for safe and efficient brake system maintenance.

  • Performs electronic brake pad replacement reset and brake motor retraction/release (deactivation/activation) tasks after pad changes.

4. Oil Lamp Reset (Service Reset)

  • Resets maintenance mileage and service interval data.

  • Recalculates the Engine Oil Life system immediately after an oil change, turning off the maintenance reminder light.

5. Data Logging & Playback

  • Records live data streams and allows you to replay them for in-depth analysis.

  • Graphically displays data streams for easier trend viewing.

Technical Specifications

  • Display: 2.8-inch Color TFT Screen (Compact yet clear)

  • Connectivity: USB Port for high-speed internet updates (free updates included)

  • Languages Supported: English, Spanish, French, German, Russian, Italian, and Portuguese.

We parallel import this unit, please keep the SN secure from others.

NOTE: Not applicable to all models. Please check whether it is suitable for your vehicle model before purchasing.

This product is directly imported from China with great working software suitable for the New Zealand market. Please keep the serial number secure from the local agent Launchtech New Zealand and its official distributors.