Technician a Says That Mack Trucks Driver Information Display (DID)

Technician A says that Mack Trucks driver information display (DID) can be used to read active engine fault codes. Technician B says that DID can be used to inhibit a DPF regeneration event. Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

Correct Answer:

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