List three things that should be checked as part of a thorough visual inspection. List the eight-step funnel diagnostic procedure. Explain why a bulletin search should be performed after stored DTCs...

List three things that should be checked as part of a thorough visual inspection.


List the eight-step funnel diagnostic procedure.


Explain why a bulletin search should be performed after stored DTCs are retrieved.


List the three methods that can be used to reprogram a PCM.