Title: Retrieve and record diagnostic trouble codes (DTC), on-board diagnostic (OBD) monitor status, and freeze frame data; clear codes when applicable.
Course: Automotive Technology II (20104-II) > Section: Engine Performance: Computerized Engine Controls

Procedure should include

- determining the connector location
- entering the correct vehicle data
- using the scan tool
- acquiring DTCs, OBD monitor status, freeze frame data, and clearing DTCs, when applicable.

ASE Education Foundation
2017 Maintenance and Light Repair (MLR) Level
VIII. Engine Performance
B. Computerized Engine Controls
Task 1

Process/Skill Questions:

- What does the DTC prefix indicate about the system?
- When is a freeze frame generated?
- Where would the technician find information about monitor-run conditions?