China Wholesale Onboard Diagnostic Device Factory & Supplier

Enterprise-Grade Vehicle Diagnostics, Advanced ECU Programming & Fleet Telematics Solutions from Shenzhen Kore Auto Co., Ltd.

Strategic R&D & Core Ecosystem of Shenzhen Kore Auto Co., Ltd.

Fostering high-performance automotive intelligence for the global vehicle aftermarket.

Shenzhen Kore Auto Co., Ltd. is a premier, engineering-driven China automotive diagnostic tools manufacturer specializing in the research, design, production, and global export of advanced onboard diagnostic (OBD) systems, professional workshop diagnostic equipment, and fleet telematics units. With a highly qualified team of core developers and electronic hardware architects, Kore Auto has positioned itself as an industry leader in automotive electronic protocols, wireless telemetry, and cloud-assisted fault localization.

We serve the global automotive aftermarket with a versatile spectrum of solutions designed to read, analyze, and program ECUs (Engine Control Units), TCUs, ABS, SRS, and ADAS components. Our hardware development processes meet rigid TS16949-equivalent internal guidelines to guarantee data fidelity and thermal stability in extreme repair workshop environments. From standard OBD2 micro-scanners to professional CAN-bus transceivers and complex oscilloscopes, Kore Auto equipment delivers the processing speed, memory efficiency, and protocol support that modern technicians and enterprise operators demand.

Technical Quality Standard Note

Every diagnostic device manufactured by Shenzhen Kore Auto Co., Ltd. undergoes extensive testing including high/low-temperature operation (-20°C to 70°C), ESD protection testing (contact 8KV, air 15KV), and simulated ECU-bus physical stress tests to ensure reliable communication across varying electrical loads.

Driven by ongoing innovation, Shenzhen Kore Auto Co., Ltd. continuously invests over 15% of its annual revenue in internal R&D projects. This continuous injection of capital supports engineering challenges such as integrating new energy vehicle (NEV) diagnostic protocols, developing intelligent cloud-diagnostic frameworks, and engineering secure gateway (SGW) bypass licenses to support vehicle models from Ford, FCA, and Renault. By collaborating with leading domestic research institutions and maintaining strong alliances with semiconductor foundries, Kore Auto ensures long-term chip supply and continuous software support.

50+
R&D Software Engineers
150K+
Monthly Manufacturing Capacity
80+
Global Export Markets
100%
QC Testing Compliance

The Global Onboard Diagnostic Device Industrial Landscape

The global onboard diagnostic device market has transformed from basic emissions-compliance readers into complex telemetry systems that act as the backbone of modern automotive diagnostics and fleet logistics. Originally introduced to meet environmental standards via standardized MIL (Malfunction Indicator Lamp) triggers, today's OBD systems serve as the core data portal for all vehicle diagnostics, battery management system monitoring, ADAS sensor calibration, and telematics integration.

This market is currently driven by strict environmental protocols globally (e.g., Euro 6/7 standards and EPA regulations in the United States), alongside the exponential rise of commercial fleet management systems. Organizations require continuous, high-definition data streaming from heavy-duty and light-duty trucks to monitor fuel economy, driver behavior, and vehicle component health. Consequently, high-performance, cost-effective wholesale options from China-based factories have become essential for international distributors, service providers, and telematics system integrators looking to implement custom firmware across major markets.

Kore Auto Assembly Line
Quality Testing Bench
R&D Engineering Center
Warehouse and Logistics Center

Technological Evolution & Future Industry Trends

Mapping the path to zero-latency vehicle telemetry, ADAS validation, and EV diagnostic architectures.

The global automotive hardware segment is undergoing structural shifts, driven by three major parallel transformations: the rise of high-bandwidth vehicle networks, the shift towards New Energy Vehicles (NEVs), and the development of cloud-connected remote diagnostics. In previous vehicle architectures, low-speed CAN networks operating at 500 Kbps were sufficient. However, modern luxury vehicles, hybrid drive systems, and ADAS networks generate enormous volumes of real-time sensor data that require wider bandwidths.

1. The Transition to CAN-FD and DoIP (Diagnostics over IP)

As onboard system complexities escalate, traditional controller area network (CAN) standards are actively being phased out in favor of CAN-FD (Flexible Data-rate) and DoIP protocols. CAN-FD offers up to 8 Mbps data transfer speeds, while DoIP transmits at speeds of 100 Mbps or higher over shielded ethernet lines. Kore Auto integrates advanced multiplexers and high-bandwidth transceivers to support these high-speed buses. This ensures that workshop repair systems can perform flash reprogramming of complex control units in minutes rather than hours, reducing workshop cycle times and maximizing technician productivity.

2. EV Diagnostic Architectures & Battery Health Diagnostics (SOH)

Electric vehicles present a unique diagnostic challenge: the absence of conventional powertrain structures and the necessity of managing high-voltage battery banks. Kore Auto’s next-gen diagnostic solutions address this gap by communicating directly with the battery management system (BMS) over localized high-voltage lines. Our tools can read cell-level voltage variance, thermal profiles, insulation resistance, and calculate highly accurate State of Health (SOH) assessments. This data is critical for independent workshops servicing hybrid and battery electric vehicle fleets.

3. ADAS Calibration and Module Coding

Modern vehicles feature active safety systems such as lane departure warnings, autonomous braking, and radar-guided cruise control. Whenever a vehicle undergoes structural repairs or wind-shield replacements, these sensor systems require recalibration. Our diagnostic platforms feature integrated ADAS calibration software modules, providing visual, step-by-step guidance for target positioning and dynamic/static sensor calibration to ensure original safety metrics are restored.

Macro Industry-Specific Solutions

Workshop & Service Centers
Fully featured multi-brand diagnostics with active bi-directional testing, component activation, dynamic calibration, and live data graphing to streamline service operations.
OEM/ODM Customization
Tailored diagnostic hardware design, customized plastic enclosures, brand-specific UI/UX skins, and dedicated communication protocols configured for local automotive markets.
Commercial Fleet Operators
Rugged, low-footprint OBD telematics modules optimized for continuous vehicle bus reading, real-time diagnostic reporting, and predictive fleet maintenance algorithms.

Localized Applications & Integration Strategies

Different global jurisdictions present unique operational requirements. In the North American aftermarket, compatibility with OBD-II standards and the J1939 heavy-duty protocol is crucial for commercial transport vehicle validation. Conversely, European markets demand compliance with EOBD protocols, alongside high-security integration for localized German and French vehicle models. In Asian markets, local vehicle variants demand highly comprehensive multi-system coverage. Kore Auto addresses these diverse needs by developing modular firmware layers that allow clients to selectively load regional database profiles onto their diagnostic hardware.

SMT Component Placement
Handheld Device Calibration
Precision Molding Department
Final Product Inspection Packaging

In-Depth FAQ & Technical Knowledge Base

Critical answers for professional distributors, wholesale buyers, and system integrators.

1. What specific communication protocols do Kore Auto diagnostic devices support?
Our diagnostic devices and interfaces offer complete compatibility with all standard passenger and commercial vehicle protocols. This includes ISO 9141-2, ISO 14230-4 (KWP2000), SAE J1850 (PWM & VPW), ISO 15765-4 (CAN-Bus, 11-bit and 29-bit identifiers), J1939 for medium/heavy commercial vehicles, and the latest high-speed CAN-FD and DoIP (Diagnostics over IP) standards used in modern luxury vehicles and electric vehicles.
2. How does Kore Auto handle vehicle Secure Gateway (SGW) protection?
Modern automotive manufacturers (e.g., FCA, Renault, Mercedes-Benz) implement secure gateway modules to prevent unauthorized modification of ECU registers. Kore Auto hardware and software platforms integrate authorized API access bridges. By registering on our platform, workshops can legally bypass secure diagnostic blocks to clear fault codes, run bidirectional tests, and program replacement components.
3. What OEM/ODM customization services are available for wholesale orders?
We offer comprehensive OEM/ODM services from our Shenzhen facility. This includes custom structural enclosure tooling, PCB layout adjustments for proprietary hardware components, custom corporate silkscreen branding, and tailor-made software interfaces. We also develop customized Android-based tablet software packages to match your specific localized database or telemetry application requirements.
4. What is the standard lead time for wholesale orders and production scheduling?
Standard catalog items are generally shipped within 3 to 7 working days. For bulk wholesale shipments or OEM orders requiring personalized packaging, manufacturing lead times range from 15 to 25 days depending on the customization depth and raw component sourcing schedule. Our SMT production lines and assembly lines operate on flexible scheduling to accommodate urgent batch orders.
5. How does the warranty and software licensing model work?
All professional hardware units come with a standard 12-month replacement or repair warranty. For software-intensive diagnostic systems, we offer flexible subscription schemes, including 1 to 3 years of complimentary online software updates. Once this initial period expires, devices remain fully operational on the last downloaded database without forcing service interruptions.

Our Production Capabilities & Factory Tour

Explore our world-class manufacturing facility and advanced research laboratories in Shenzhen.

Shenzhen Kore Auto Co., Ltd. operates a highly automated manufacturing base designed to meet demanding production runs without compromising structural build quality. Our facility features advanced surface-mount technology (SMT) machinery, automated optical inspection (AOI) setups, and climate-controlled assembly halls. By keeping our manufacturing, research, and technical support divisions in one centralized location, we facilitate seamless transition from custom R&D concepts to bulk retail shipments.

Advanced AOI Inspection System
Temperature Aging Chamber
Final Storage Ready for Export

By leveraging custom software applications and highly durable industrial enclosures, Kore Auto products offer reliable performance, precision, and durability. Over the past decade, we have established long-term relationships with distributors, workshop networks, and corporate fleet clients throughout Europe, North America, South America, Asia, the Middle East, and Africa. Partner with Kore Auto today to access high-quality wholesale prices, dependable custom manufacturing capabilities, and dedicated technical support.