Technician A says that knowing if there are any stored diagnostic ...

[itsmyluck]

Technician A says that knowing if there are any stored diagnostic trouble codes (DTCs) may be helpful when checking for related technical service bulletins (TSBs). Technician B says that only a factory scan tool should be used to retrieve DTCs. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B

[recede]

Technician A only

[itsmyluck]

Gracias!

[Dinolord]

Thanks for the timely response, appreciate it