Answer:
Technician A only
Explanation:
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 useWhich technician is correct?
DTC's, or Diagnostic Trouble Codes, are used by automobile manufacturers to detect problems related to the vehicle. ... The first number in the DTC indicates whether the code is an SAE generic code
tsb are recommended techniques for repairing a vehicle. the manufactures of vehicles make this available so the technicians can work and make reference to it
