Technician A says that an EEC IV PCM uses its keep-alive memory (KAM) to store fault codes related to faults that occurred but are no longer present. Technician B says that in an EEC IV system the...

Technician A says that an EEC IV PCM uses its keep-alive memory (KAM) to store fault codes related to faults that occurred but are no longer present. Technician B says that in an EEC IV system the engine calibration assembly is an integral part of the PCM that is soldered into it, and it cannot be removed or serviced separately. Who is correct?

A. Technician A only

B. Technician B only

C. Both technicians

D. Neither technician