Back to Glossary

Diagnostic Trouble Code (DTC)

A Diagnostic Trouble Code (DTC) is a code generated by a vehicles On-Board Diagnostics (OBD) system when a malfunction is detected.

When tuning an ECU, you might need to remove specific DTCs to prevent warning lights (Check Engine Light) from appearing on the dashboard. TunerPortal offers integrated DTC removal API services.

Want to automate your tuning business?

Stop doing manual work. Let TunerPortal handle your files, payments, and dealer management automatically.

Start Your Free Trial
Demo Boeken