Glossary / General

DTCs

13 Episode Mentions
Too Afraid to Ask

DTCs are the short name for diagnostic trouble codes. They’re used to quickly spot which cars have problems during testing, not just after a customer complains.

Technical Definition

DTCs stands for diagnostic trouble codes. In fleet or production testing, manufacturers use DTCs to automatically flag vehicles with specific faults and prevent nonconforming units from moving forward.

The Car Curious Weekly

Podcast highlights and car talk, delivered every week.

Help Improve This Entry

Spot an error or have a better explanation? Let us know.

Sign in to suggest an edit