the key - on engine - off test _____.\na) only displays recent drive cycle codes\nb) detects hard faults\nc)…

the key - on engine - off test _____.\na) only displays recent drive cycle codes\nb) detects hard faults\nc) provides real time data streaming\nd) tests the integrity of the network as well as powertrain electronics

the key - on engine - off test _____.\na) only displays recent drive cycle codes\nb) detects hard faults\nc) provides real time data streaming\nd) tests the integrity of the network as well as powertrain electronics

Answer

Brief Explanations:

The key - on engine - off test is used to detect hard faults in a vehicle's system. It is not mainly for displaying recent drive cycle codes, providing real - time data streaming, or testing network and powertrain electronics integrity.

Answer:

B. Detects hard faults