It could be but can I ask if you ran the CAN scan? It could be the ignition switch, or PCM. You can send the PCM for testing and they will go over it for you. It is difficult to test the PCM yourself if there are no codes. When you replaced the IPDM it came with different relays correct? Here are the engine and PCM wiring diagrams so you can see how the system works.
This guide will help you test the connections:
https://www.2carpros.com/articles/how-to-check-wiring
Check out the images (below). Please let us know what happens.
Images (Click to make bigger)
Friday, June 28th, 2024 AT 10:11 AM