Trouble codes are being discussed.Technician A says that the first time the system detects a fault, a pending code is set.Technician B says that a pending code will turn on the MIL light.Who is correct?

A) A only
B) B only
C) both A and B
D) neither A nor B

Pending Code

A diagnostic trouble code that is stored in memory, but not displayed, the first time the ECM detects a potential fault. A second trip is required to confirm the fault and display a hard code.

Fault

An error or malfunction in a system, particularly in electrical or mechanical systems, indicating a deviation from normal operation.

MIL Light

Also known as the "Check Engine" light, an indicator on a vehicle's dashboard that alerts the driver to potential malfunctions within the engine or exhaust systems.