Benefits & Features of Konnwei KW350 OBD2 Scanner

Konnwei KW350

In the ever-evolving landscape of automotive diagnostics, the Konnwei KW350 OBD2 Scanner stands out as a powerful tool designed to empower both professional mechanics and car enthusiasts alike. This comprehensive review will delve into the intricacies of the Konnwei KW350, exploring its features, capabilities, and real-world applications.

Unveiling the Konnwei KW350:

Advanced OBD2 Functionality:

The Konnwei KW350 is equipped with advanced OBD2 functionality, allowing users to access a wealth of information about their vehicle’s performance and health. This includes retrieving diagnostic trouble codes (DTCs), monitoring live data streams, and conducting onboard monitoring tests. This depth of information provides users with a comprehensive view of their vehicle’s condition.

Wide Vehicle Compatibility:

One of the standout features of the KW350 is its wide compatibility with various vehicle makes and models. Whether you own a domestic or imported car, the KW350 is designed to communicate with most OBD2-compliant vehicles. This universality makes it a versatile tool for both personal and professional use.

User-Friendly Interface:

Navigating the KW350 is a breeze, thanks to its user-friendly interface. The device features a clear LCD screen that displays information in a straightforward manner. The menu system is intuitive, allowing even novice users to access and interpret diagnostic data with ease. This simplicity enhances the overall user experience, making it accessible to a broad audience.

Live Data Monitoring:

The KW350 enables real-time monitoring of live data streams from your vehicle. This includes critical parameters such as engine RPM, coolant temperature, vehicle speed, and more. Live data monitoring is invaluable for diagnosing issues, assessing performance, and ensuring that your vehicle operates within optimal parameters.

Read and Clear Diagnostic Trouble Codes (DTCs):

The ability to read and clear DTCs is a fundamental feature of any OBD2 scanner, and the KW350 excels in this regard. When your vehicle’s onboard computer detects an issue, the KW350 provides clear and concise descriptions of the trouble codes, allowing you to pinpoint the problem accurately. The device also enables users to clear codes, turning off the check engine light once the issue is resolved.

Battery Voltage Display:

Monitoring your vehicle’s battery voltage is crucial for preventing unexpected breakdowns. The KW350 includes a battery voltage display feature, allowing you to assess the health of your vehicle’s electrical system. This feature is particularly useful for identifying potential battery issues before they lead to more significant problems.

Compact and Portable Design:

The KW350’s compact and portable design makes it a convenient tool for on-the-go diagnostics. Whether you’re a professional mechanic moving between job sites or a car enthusiast embarking on a road trip, the KW350 can easily be stowed in your toolbox or glove compartment, ensuring you have access to valuable diagnostic information wherever you go.

Airbag SRS System:

In-depth examination of the Airbag SRS System involves scrutinizing crash sensors, airbag modules, and the control unit. This thorough analysis guarantees the airbag system’s readiness to deploy in case of an accident, contributing to passenger safety.

ABS Brakes System:

Thorough diagnostics of the ABS Brakes System include a detailed check of wheel speed sensors, hydraulic components, and the electronic control unit. It ensures precise and effective braking, especially during emergency situations.

Center Lock System:

The KW350’s analysis of the Center Lock System goes beyond basic functionality, checking for synchronization between door locks and the central control module. It guarantees reliable security features, enhancing overall vehicle safety.

EPB Reset (Electronic Parking Brake):

Not just limited to reset functionality, the KW350’s EPB feature ensures the electronic parking brake engages and disengages smoothly. It contributes to parking safety and prevents unnecessary wear on brake components.

Oil Service Reset:

Facilitating the resetting of the oil service indicator involves detailed monitoring of the vehicle’s oil life. The KW350 ensures that the reset process aligns with manufacturer recommendations, optimizing engine performance and longevity.

TPS Check (Throttle Position Sensor):

The KW350’s TPS check involves a comprehensive examination of the Throttle Position Sensor’s voltage output and response time. This guarantees precise throttle control, optimizing engine performance and fuel efficiency.

Auto Air Condition HVAC:

In-depth analysis of the Auto Air Condition HVAC system covers compressor efficiency, refrigerant levels, and temperature control. This feature ensures optimal climate control, enhancing driver and passenger comfort.

Aux. Heat (Auxiliary Heating):

The KW350’s analysis of auxiliary heating systems involves checking the functionality of heating elements and controls. It ensures efficient heating during cold weather, contributing to a comfortable interior.

CAN Gateway:

Beyond checking the status, the KW350 evaluates the CAN Gateway’s data transfer efficiency. It ensures seamless communication between different vehicle systems, preventing communication errors and malfunctions.

Centr. Locks (Central Locking System):

Thorough examination of the central locking system includes checks for individual door actuators and the central control unit. It ensures all doors lock and unlock uniformly, enhancing user convenience and security.

Throttle Adaptation:

Support for throttle adaptation involves optimizing the electronic throttle control unit’s response to driver input. It ensures a seamless and responsive driving experience, particularly during acceleration and deceleration.

Read & Clear Error Code:

The KW350’s capability to swiftly identify and clear error codes enhances diagnostic efficiency. It aids in identifying and addressing issues promptly, preventing potential vehicle malfunctions and ensuring optimal performance.

Real-World Applications:

1. Professional Mechanics:

The KW350 is an invaluable tool for professional mechanics working in auto repair shops. Its wide vehicle compatibility and advanced diagnostic capabilities allow mechanics to efficiently identify and address issues across various makes and models. The real-time data monitoring and DTC analysis streamline the diagnostic process, saving time and enhancing overall service quality.

2. Car Enthusiasts and DIYers:

For car enthusiasts and DIYers, the KW350 empowers users to take a proactive approach to vehicle maintenance. From monitoring live data during performance upgrades to quickly identifying and addressing check engine light issues, the KW350 provides the information needed to keep vehicles in top condition. Its user-friendly interface makes it accessible to those who may not have extensive automotive repair experience.

3. Fleet Management:

Fleet managers overseeing a diverse range of vehicles can benefit from the KW350’s versatility. The ability to quickly diagnose and address issues is essential for maintaining fleet efficiency and minimizing downtime. With the KW350, fleet managers can implement preventive maintenance measures based on real-time data, ultimately reducing overall operational costs.

4. Road Trip Readiness:

Carrying the KW350 on a road trip provides peace of mind for drivers. The ability to monitor live data and diagnose potential issues on the go ensures a smooth and trouble-free journey. The device’s compact design makes it a convenient travel companion, offering a level of assurance for both short weekend getaways and long cross-country adventures.

Tips for Optimal Use: 

1. Regular Maintenance Checks:

Incorporate regular maintenance checks using the KW350 to monitor your vehicle’s health. Regular scans can help identify potential issues before they escalate, ultimately saving on repair costs and preventing unexpected breakdowns.

2. Update Software Regularly:

Stay current with the latest software updates for the KW350. Updating the device’s software ensures compatibility with newer vehicle models and enhances its overall performance and capabilities.

3. Refer to User Manual:

Take the time to review the user manual to familiarize yourself with all the features and functionalities of the KW350. This will enable you to make the most of the device’s capabilities and troubleshoot effectively.

4. Secure Storage:

When not in use, store the KW350 in a secure and dry environment. Protecting the device from extreme temperatures and moisture ensures its longevity and reliability over time.


The Konnwei KW350 OBD2 Scanner is a cutting-edge diagnostic tool designed to meet the diverse needs of both automotive professionals and enthusiasts. Here is a detailed specification highlighting its key features:

Display: Backlit, 128 × 64 pixel display with contrast adjustment.

Operating Temperature: Ranges from 0 to 60°C (32 to 140 F°).

Storage Temperature: Wide storage temperature range from -20 to 70°C (-4 to 158 F°).

Power Source: External power is provided via the vehicle battery, with a voltage range of 8.0 to 18.0 V.

Dimensions: Compact and portable, the KW350 has dimensions of

System Coverage: Advanced system coverage includes crucial automotive systems such as the auto transmission, airbag SRS, ABS brakes, center lock, EPB reset, oil service reset, battery matching, TPS check, and more.

VAG Series Compatibility: Specifically tailored for VW, AUDI, SKODA, and SEAT vehicles, offering comprehensive diagnostics and specialized functions for these models.

Protocol Compatibility: Supports most 12V OBD2 protocol cars manufactured after 1996, including VPW, PWM, ISO, KWP 2000, and CAN protocols.

System Menus: Detailed system menus categorized into MENUCOMM, MENUDRIV, MENUCHAS, MENUCOMF, MENUELEC1, and MENUELEC2, providing specialized functions for each system.

Multilingual Support:

Multilingual menu options in English, French, German, Dutch, Spanish, Russian, and Portuguese, ensuring accessibility for a global audience.

Oil Reset for VAG: Specific oil reset function designed for VAG vehicles, facilitating the resetting of the oil service indicator.


In conclusion, the Konnwei KW350 OBD2 Scanner emerges as a powerful and versatile tool for anyone seeking comprehensive and reliable vehicle diagnostics. With its advanced features, user-friendly interface, and wide vehicle compatibility, the KW350 caters to the needs of professional mechanics, car enthusiasts, fleet managers, and everyday drivers alike.

The KW350’s ability to access real-time data, read and clear diagnostic trouble codes, and provide valuable insights into a vehicle’s health make it an essential component of any automotive toolkit. As the automotive industry continues to evolve, the Konnwei KW350 stands at the forefront, offering efficiency, accuracy, and empowerment in the realm of OBD2 diagnostics.