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Engine cranks but does not start, where are the PCM/ECM located?

Tiny
FLAKO69
  • MEMBER
  • 2008 HONDA CRV
  • 4 CYL
  • 4WD
  • AUTOMATIC
  • 286,746 MILES
I already checked all the fuses and relays and all of them are good. Also, when I put the scanner, it doesn't read any codes and all it says it's "no communication", so I'm trying to locate the PCM/ECM computer that is by the glove box, but I don't know exactly where to find it. Can I get a diagram and video to know where it is located and how to remove it?
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Saturday, October 1st, 2022 AT 9:03 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
I would check the PCM data connector fuse which is #23 in the under-hood fuse panel and #10 and #37 in the interior fuse panel. With the key on they should have power here is a guide to help you test the fuses and the power to them along with the fuse location in the images below.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Here is the location and replacement instructions of the PCM, but I have seen the MICU go bad in the interior fuse panels as well. Check out the images (below). Please let us know what you find. We are interested to see what it is.
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Monday, October 3rd, 2022 AT 10:13 AM

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