5. Retrieve Continuous DTCs

5. RETRIEVE CONTINUOUS DTCS

Purpose:
The purpose of this test is to determine if the PCM has detected any historical or intermittent fault conditions that would cause a performance problem. The condition that caused a continuous DTC may no longer exist.

Retrieve Continuous DTCs

Retrieve Continuous DTCs:

- DTCs retrieved during this test are historical faults.

Recommended Procedure:
Connect the diagnostic tool. Turn off all accessories. If the vehicle is equipped with a power take-off (PTO) system or auxiliary idle control, it must be turned off to carry out self-tests.
- Carry out the necessary vehicle preparation and a visual inspection. Refer to Quick Test Operation. Quick Test Operation
- Refer to the diagnostic tool operating manual for instructions.
- Key on, engine off.
- Follow the operating instructions from the menu.
- Record the continuous DTCs and freeze frame information from the PCM and TCM and refer to the appropriate pinpoint test for continuous DTC diagnostics.
- Continuous DTCs must be cleared after a repair is made.

Tools Required:
Diagnostic tool