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DISCOVER WHAT DFIRSTCODER CAN DO?
Your ultimate car companion
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MULTI-FUNCTIONAL EXECUTION FEATURE
High-efficiency execution Created with Pixso. Created with Pixso.
When you need to unlock more hidden features, just select multiple features as your needs, they will execute simultaneously, extremely shorten the waiting time.

Decrease ECU restart Created with Pixso. Created with Pixso.
Improve the system stability, keep your car’s optimal performance and extend the service life of system by decreasing ECU restart.

Save your executed solution Created with Pixso. Created with Pixso.
If you need to restore unlocked features or forget which features executed, the function will help you find records via “Mine-My Solution”.
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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CLOUD BACKUP
Cloud backup technology allows you to save your data to remove service over the internet, ensure your data is securely stored offsite and can be accessed or restore whenever needed, no worries to data loss.
Reliable and security.
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HOT UPDATE
Hot update technology enables you to enjoy updated features and fixed without needing to update the entire APP. Help you put forward corresponding requirements that can be responded to and solved rapidly.
Quick response and convenient.