Technician A says key-off battery drain occurs when a system or component continues to draw power from the battery even after the vehicle is shut down.Technician B says that only certain modern vehicles have some key-off draws.Who is correct?
A)A only
B)B only
C)both A and B
D)neither A nor B

Question

Quizplus · Accepted Answer

Technician A is correct because key-off battery drain, also known as parasitic drain, can occur in any vehicle when a component or system continues to draw power from the battery even after the vehicle has been shut off, not just in modern vehicles as suggested by Technician B.

Technician a Says Key-Off Battery Drain Occurs When a System