There are many fuses and grounds (see diagrams below) that need to be checked before we can call the PCM being bad. Here is a guide to help check for power at the fuses and to check the PCM grounds using the engine wiring diagrams below:
Check out the diagrams (below). Please let us know what you find. We are interested to see what it is.
Images (Click to enlarge)
Tuesday, June 18th, 2019 AT 2:00 PM