The tool cross-references this input against a master list of Renault-specific DTCs (Diagnostic Trouble Codes).

: You receive a standard P-code (like P0115) and a brief technical description of the fault, such as "Coolant temperature sensor circuit". Why You Need One

These are manufacturer-specific codes unique to Renault. They often provide more granular data about the vehicle's internal electronics and subsystems that standard P codes might overlook. For example, DF056cap D cap F 056

For professional use, some developers offer standalone software with broader databases.