OBDII Scanners
General OBD2 code readers for reading and clearing engine trouble codes, checking emissions readiness and supporting basic maintenance decisions.
R&D Driven Diagnostic Tool Manufacturer
Professional Diagnostic Tools for the Automotive Aftermarket.
JDIAG develops quality-assured, easy-to-use and cost-effective automotive diagnostic tools for repair shops, technicians, distributors and OEM/ODM partners worldwide.
Original JDIAG product visual
Built for practical repair work.
JDIAG focuses on product development, usability, affordability and long-term aftermarket value.
R&DProduct engineering
QCQuality control
OEMPrivate label support
ODMCustom design projects
Who We Are
JDIAG is a professional diagnostic tool brand for technicians, workshops and distributors.
Founded in 2016, JDIAG aims to become one of the world’s leading manufacturers and suppliers of professional diagnostic tools, equipment and accessories for the automotive aftermarket.
- Quality-assured diagnostic tools designed for everyday automotive service.
- Easy-to-use product logic for repair shops, technicians and DIY users.
- Cost-effective solutions for OBD2 diagnostics, TPMS service and electrical testing.
- OEM and ODM cooperation for distributors and private-label partners.
Catalog
Focused automotive diagnostic product categories.
Organized around high-intent search demand: OBD2 scanning, TPMS relearn, battery condition testing, brake fluid inspection and portable VCI diagnostics.
Battery Testers
Automotive battery diagnostic tools for checking battery health, cranking performance and charging system condition.
TPMS Tools
TPMS relearn and reset tools designed to help users retrain tire pressure sensors and turn off TPMS warning lights after sensor or tire service.
Brake Fluid Testers
Simple brake fluid inspection tools for checking moisture level and supporting preventive vehicle maintenance.
Products
Popular JDIAG diagnostic solutions.
The product structure below is optimized for Google search intent while keeping the original website’s core categories and brand direction.
OBD2 Scanner
JDIAG OBDII Code Reader
Compact scan tool for reading and clearing diagnostic trouble codes, checking live data and helping users identify engine-related issues quickly.
OBD2 scannercar code readercheck engine light
TPMS
JDIAG TPMS Relearn Tool
Designed for tire pressure sensor relearn procedures after tire rotation, sensor replacement or TPMS warning light service.
TPMS relearn toolTPMS reset tooltire pressure sensor
Battery Tester
JDIAG Automotive Battery Tester
Professional battery testing for repair counters, workshops and everyday vehicle maintenance, helping confirm battery and charging system status.
car battery tester12V battery testcharging system
Brake Service
Brake Fluid Tester
Easy fluid inspection tool for routine maintenance, helping technicians identify when brake fluid should be serviced.
brake fluid testermaintenance toolworkshop tool
Portable VCI
JDIAG Portable VCI Adapter
Portable vehicle communication interface concept for smartphone-assisted diagnostics and scalable service workflows.
portable VCIOBD2 adapterBluetooth diagnostic tool
OEM / ODM
Custom Diagnostic Tool Development
Product design, OBD2 development, OEM branding and special diagnostic tool projects for global automotive aftermarket partners.
OEM diagnostic toolsODM developmentprivate label
SEO Keyword Strategy
Keyword layout built around search demand and buyer intent.
For JDIAG, the strongest SEO direction should combine brand terms, diagnostic tool category terms and problem-solving long-tail phrases. This helps Google understand both the manufacturer identity and the exact repair scenarios covered by the product line.
Brand KeywordsJDIAGJDIAG officialJDIAG diagnostic toolJDIAG OBD2 scanner
Core Category Keywordsautomotive diagnostic toolsOBD2 scannercar diagnostic toolOBDII code reader
High-Intent Product KeywordsTPMS relearn toolTPMS reset toolcar battery testerbrake fluid tester
Commercial Keywordsdiagnostic tool manufacturerOEM diagnostic toolsODM OBD2 scannerautomotive tool supplier
Workflow
Simple product logic for real repair scenarios.
Clear steps help both users and search engines understand how JDIAG tools fit into daily maintenance workflows.
1
Connect
Plug the diagnostic tool into the vehicle or connect the tester to the target component according to the product instructions.
2
Diagnose
Read fault codes, check battery condition, inspect brake fluid moisture level or perform TPMS relearn procedures.
3
Confirm
Use the results to guide service decisions, verify repairs and help customers understand the problem clearly.
Customer Voice
Trusted by repair users and automotive DIY customers.
Rewritten from the original website review direction with cleaner English and stronger product credibility.
“The TPMS tool completed the relearn process quickly. Once the vehicle entered retrain mode, the tool activated each sensor and finished the job smoothly.”
Ken · TPMS Tool User“A simple process from start to finish. It helped reset the tire pressure sensors after service and saved time compared with going back to the dealer.”
Sara · TPMS Tool User“The code reader helped identify the issue quickly and made basic troubleshooting much easier for a DIY car owner.”
John · Diagnostic Tool User
Global Partnership
Apply Now
Looking for dealers worldwide.
Work with JDIAG and grow together. We provide competitive automotive diagnostic tool solutions for distributors, repair market partners and OEM/ODM projects.
FAQ
Frequently asked questions.
What is JDIAG?
JDIAG is a professional automotive diagnostic tool brand founded in 2016, focused on OBD2 scanners, TPMS tools, battery testers, brake fluid testers and OEM/ODM diagnostic solutions.
What products should be prioritized for SEO?
The highest-priority SEO categories are OBD2 scanner, TPMS relearn tool, car battery tester, brake fluid tester, portable VCI adapter and automotive diagnostic tool manufacturer.
Does JDIAG work with repair shops and distributors?
Yes. JDIAG products are positioned for repair shops, technicians, automotive service businesses, dealers and distributors worldwide.
Can this page be used as a homepage?
Yes. This file is structured as a complete single-page brand homepage with SEO metadata, schema markup, product sections, FAQ content and contact CTA.
Contact Us
Start your JDIAG product or dealer inquiry.
Working Time: 09:00–17:00 Mon–Fri
Email: sales@jdiag.com
Phone: +1 909 497 4486
Services: Product Design · OBD2 Development · Product OEM · Marketing · Special Development
Contact JDIAG Sales Team
For dealer cooperation, OEM/ODM projects, product inquiries or technical cooperation, please contact us directly by email or phone.
Email
sales@jdiag.com
Phone
+1 909 497 4486
Business Hours
09:00–17:00 Mon–Fri
Services
Product Design · OBD2 Development · OEM · ODM