KONNWEI KW850 OBD2 CAN BUS Code Reader - Car Engine Fault Code Detector with One-Click I/M Readiness Key

The KONNWEI KW850 OBDII/EOBD scanner is designed to help car owners and technicians quickly diagnose engine fault codes when the check engine light illuminates. By connecting to the vehicle's OBDII port, it reads fault information stored in the powertrain control module (PCM), allowing users to identify the nature and location of the problem. The scanner supports all 10 OBDII test modes and features a patented One-Click I/M Readiness Key, TFT colour display, and built-in speaker. Thousands of troubleshoot code tips assist in saving diagnosis and repair time. Compatible with US, European, and Asian vehicles from 1996 and later.

Features and Construction

The KW850 combines advanced diagnostic functionality with user-friendly design, offering a comprehensive set of features for both professional and DIY use. Its robust build includes a large backlit LCD screen, protective nylon case, and memory backup for off-vehicle data review.

Diagnostic Capabilities

Retrieves generic (P0, P2, P3, U0) and manufacturer-specific (P1, P3, U1) codes, displays DTC definitions, and views freeze frame data. It also performs modules present test and identifies pending codes. The built-in OBDII DTC lookup library provides thousands of code tips.

Display and Controls

TFT colour display with built-in speaker provides clear visual and audio feedback. The patented One-Click I/M Readiness Key allows instant emissions status checks. Large easy-to-read backlit LCD screen ensures readability in various lighting conditions.

Data Management

Reads live PCM datastream, displays live O2 sensor test data, and graphs data from 1996 and newer vehicles. Memory/battery backup enables off-vehicle data review and analysis. Prints data via PC and is software upgradeable via internet.

Uses and Placement

Ideal for workshop diagnostics, pre-MOT checks, and home troubleshooting. Compatible with CAN and all other OBDII protocols, ensuring broad vehicle coverage.

Professional Use

Technicians can quickly diagnose check engine light issues, reset monitors, and perform emissions readiness tests. The scanner supports eight languages (English, French, German, Dutch, Spanish, Russian, Portuguese, Italian), making it suitable for international use.

Everyday Home Use

Car owners can easily determine the cause of the check engine light, turn off the light, clear codes, and reset monitors without costly garage visits. The memory backup allows reviewing data after the vehicle is switched off.

Benefits and Buying Value

The KW850 offers a cost-effective solution for engine diagnostics with professional-grade features. Its software upgradeability ensures long-term usability, and the included accessories provide practical protection and connectivity.

Reuse and Low Maintenance

No consumable parts; durable nylon case protects the device. Regular software updates via internet keep the scanner current with new protocols and vehicle models.

Why Choose This Product

Patented One-Click I/M Readiness Key, live data graphing, and built-in DTC library set the KW850 apart from basic code readers. The combination of TFT colour display, speaker, and memory backup enhances diagnostic efficiency.