Introduction
The KONNWEI KW350 is a full system OBD2 car diagnostic scanner specifically designed for VW/Audi series vehicles. It allows users to diagnose and clear electronic system problems, supporting various protocols including KWP, TP-CAN, and New UDS, as well as all OBDII protocols. The KW350 is capable of reading fault codes from up to 100 electronic systems such as engine, ABS, airbag, transmission, and EPB. Additionally, it offers full OBDII functions for diagnosing and resetting the check engine light, and includes special functions like Oil Service Light reset, Battery Matching, Electronic Parking Brake replacement, and Throttle Position diagnostics.

Package Contents
Ensure all items are present in your package:
- KW350 Scan Tool main unit
- User's Manual
- Durable Nylon Storage Case
- USB Cable


Setup
Connecting the Device
The KONNWEI KW350 is designed for plug-and-play operation. No external power supply is needed as it draws power directly from the vehicle's OBDII port.
- Locate the OBDII 16-pin port in your vehicle. This port is typically found under the dashboard, near the steering wheel.
- Connect the KW350's diagnostic cable to the vehicle's OBDII port.
- The device will power on automatically. Follow the on-screen instructions to begin diagnostics.

Language Selection
The device supports English and German languages. To change the language:
- From the Main Menu, navigate to 'System Setup'.
- Select 'Language'.
- Choose your desired language (English or Deutsch).

Product Overview Video
Watch this video for a quick overview of the KW350's features and basic operation.
KONNWEI KW350 product demonstration and menu navigation.
Operating Instructions
VAG Full System Diagnostics
The KW350 can access and diagnose almost all electronic systems for most VW, Audi, Skoda, and Seat vehicles. This includes reading and erasing fault codes for various systems.

The full system diagnostic capabilities cover:
- OBD2 Engine System
- Auto Transmission System
- Airbag SRS System
- ABS Brakes System
- Center Lock System
- EPB Reset
- Oil Service Reset
- Battery matching
- TPS Check
- Auto-Air Condition HVAC
- Steering Wheel
- Instruments
- Aux.Heat
- CAN Gateway
- Immobilizer
- Central Cony
- Throttle Adaptation
- Read & Clear Error Code

Special Functions for VAG Vehicles
The KW350 provides four powerful special functions for professional use on VAG vehicles:
- Oil Service Reset: Resets the maintenance-required meter after an oil change. Compatible with KWP1281, KWP2000, TP CAN, UDS protocols.
- EPB Reset Brake Pad: Resets the electronic parking brake after brake pad replacement. Compatible with TP CAN (2005-2012) and UDS (2012-NOW) protocols.
- Throttle Position Adaption: Adapts the throttle position. Compatible with KWP1281, KWP2000, TP, CAN, UDS protocols.
- Battery Matching (BMS Reset): Evaluates battery charge state, monitors close-circuit current, registers battery replacement, and activates the rest state of the vehicle. Compatible with TP CAN, UDS protocols.


Universal OBDII Functions
In addition to VAG-specific functions, the KW350 supports full OBDII functions for all OBD2 certified vehicles when the "check engine light" comes on:
- Retrieves generic (P0, P2, P3, and U0), manufacturer specific (P1, P3, and U1) codes, and pending codes.
- Easily determines the cause of the Malfunction Indicator Light (MIL).
- Turns off Malfunction Indicator Light (MIL), clears codes and resets monitors.
- Displays DTC definitions on the TFT screen without checking online.
- Views freeze frame data stored in car computer board.
- Displays monitor and I/M readiness status (emissions related).
- Reads live PCM data stream and display in both text mode and graph mode.
- Retrieves vehicle information (VIN, CIN and CVN).
- Supports 10 modes of diagnostics, including O2 sensor test, EVAP Test and component Test.

Maintenance
Software Updates
The KONNWEI KW350 offers lifetime free software updates. The scan tool can automatically update itself using the KONNWEI Uplink App.
- Connect the KW350 to your computer using the provided USB cable.
- Launch the KONNWEI Uplink App on your computer.
- Follow the on-screen instructions within the app to check for and install updates.


Troubleshooting
Compatibility Issues
While the KW350 is compatible with most cars, vehicle OBD2 protocol support can vary by region and specific car designs. Some cars may not support the OBD2 protocol, especially certain Japanese and Korean car brands, or Russian cars before 2012 (VAZ, UAZ, LADA). It does not work with trucks.
If you encounter compatibility issues or specific function problems, it is recommended to contact support with your vehicle details (make, model, year, engine type, and desired function).
Specifications
| Feature | Description |
|---|---|
| Model Name | KONNWEI KW350 |
| Brand Name | JFIND (KONNWEI) |
| Item Type | Battery Testers |
| Hardware Version | newest |
| Software Version | newest |
| External Testing Certification | CE, RoHS, FCC |
| Special Features | ABS, Airbag SRS, EPB Reset, Transmission |
| Feature | OBD2 Engine Test And Other 108 Function Test |
| Is Batteries Included | No |
| Use | Not Telecommunication |
| Electronic | No |
| Power (W) | W (Not specified, likely draws power from OBDII) |
| Origin | Mainland China |
| Package Length | 18 cm |
| Package Width | 15 cm |
| Package Height | 5 cm |
| Package Weight | 0.468 kg |
Supported VAG Models
The KW350 supports a wide range of VW, Audi, Seat, and Skoda models. Please refer to the images below for detailed compatibility lists.




Warranty and Support
The KONNWEI KW350 comes with a lifetime free update guarantee, ensuring your device always has the latest software and features. For technical support or inquiries, please refer to the contact information provided in the included User's Manual or utilize the professional feedback system via KONNWEI Uplink™.





