A vehicle towed into the shop with a "cranks but doesn't start" problem. A quick check under the hood reveals that the spark plugs are not firing and the injectors are not receiving a pulse from the PCM. The technician notices that the MIL light does not come on when the key is turned to the run position. What would you do next?
A) Check the PCM's fuses, power wires, and ground wires
B) Replace the PCM
C) Check the main power relay in the power distribution center
D) Check for codes with a scan tool

Question

Quizplus · Accepted Answer

The MIL light not coming on suggests a power issue to the PCM. Checking the PCM's fuses, power wires, and ground wires is a logical first step to ensure the PCM is receiving power.

A Vehicle Towed into the Shop with a "Cranks but Doesn't