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DISCOVER WHAT DFIRSTCODER CAN DO?
Your ultimate car companion
Exact features depend on the vehicle and how you choose to subscribe.
DIAGNOSIS
Full-system diagnostics
Professional full-system scans and detects across every ECU, get detailed reports for free—see fault severity, counts, and full freeze-frame data for clear root-cause insights. Export clean, technician-ready PDF reports for easy sharing . Built for accuracy, reliability, and true workshop-grade performance.
OBD II / EOBD II
Full OBD2 mode: I/M readiness/MIL status/Read codes/Clear codes/Freeze frame/ Live data/Vehicle info/ Mode 6/Vehicle status/ Oxygen sensor monitoring/Component testing.
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SERVICE
Oil Reset, TPMS, BMS, and DPF maintenance services ensure the optimal performance of your vehicle, prevent unnecessary alerts and maintenance reminder,extend your vehicle's life.
Save cost and safety.
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BATTERY TEST & INSPECTION
Check your battery's health with real-time voltage charts for a clearer, worry-free view of its condition. Scan each module's VIN and mileage to spot replaced parts or signs of odometer adjustment, giving you a transparent look at hidden issues and overall vehicle integrity.
Reliable and security.
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CLOUD BACKUP & HOT UPDATE
Enjoy secure cloud backups that keep your data safely stored online and always accessible—no more worries about data loss. With hot-update technology, new features and fixes are delivered instantly without updating the entire app, giving you faster responses and a smoother, more convenient experience.
Quick response and convenient.