Question

which of these is a device able to electronically communicate with and extract data from the vehicles one or more on - board computers?
a. an oscilloscope
b. a scan tool
c. a graphing calculator
d. a power probe

Explanation:

An oscilloscope is used for visualizing electrical signals. A graphing calculator is for mathematical calculations. A power probe measures electrical power - related parameters. A scan tool is specifically designed to communicate with and extract data from a vehicle's on - board computers.

Answer:

B. A scan tool