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Where is the ECM located?

Tiny
DRIVER1
  • MEMBER
  • 2004 FORD F-150
  • 4.6L
  • V8
  • 2WD
  • AUTOMATIC
  • 207,269 MILES
I lost keys to my truck listed above Heritage XL with a 4.6L Triton. I now must replace ECM before programming new.
Friday, August 19th, 2022 AT 7:20 AM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Here is what AllData says about the location of the PCM. Check out the images below. Can you upload a picture of the firewall where they say it is?
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Friday, August 19th, 2022 AT 10:42 AM
Tiny
DRIVER1
  • MEMBER
  • 3 POSTS
This location is for all 2004 f150 models except Heritage.
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Friday, August 19th, 2022 AT 5:19 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Yep, good call, it is under the dash on the passenger's side near the fuse panel. Below are the diagrams.
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Saturday, August 20th, 2022 AT 4:56 PM

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