Permanent Diagnostic Trouble Codes (P-DTCs) The Engine Control Module (ECM) has an on-board diagnostic system that detects malfunctions related to sensors, actuators, or emission control systems. The ECM also records various emission-related, diagnostic information. PERMANENT DTC GROUP.
Then, what is the DTC in a car?
DTC, as you can already surmise from the title, is an acronym for “Diagnostic Trouble Codes”. Today's computerized engine control system can up to a certain point self-diagnose to detect auto problems that could be affecting your vehicle's emissions and engine performance.
What is the meaning of DTC?
The Depository Trust and Clearing Company (DTCC) owns the DTC. The DTCC manages risk in the financial system. Formerly an independent entity, the DTC was consolidated with several other securities clearing companies in 1999 and became a subsidiary of the DTCC.
What is a Type C DTC?
A DTC is directly related to a fault discovered during a diagnostic test. Any of the four DTC types set when the test enable criteria is met, the test is run, and it results in a detected failure. However, Type B DTCs require two consecutive trips with a failure detected to set a DTC and turn on the MIL.