Where is the ECM/PCM located?

Tiny
HEATHERHARDIN0907
  • MEMBER
  • 2008 CHEVROLET TAHOE HYBRID
  • 6.0L
  • 4WD
  • AUTOMATIC
  • 210,000 MILES
Need to replace the ECM, is it under the fuse box in the engine compartment?
Saturday, June 11th, 2022 AT 11:13 AM

1 Reply

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

Yes, the ECM is located below the fuse box under the hood.

Remember to retrieve the existing ECM data before removing it, using an appropriate scan tool.

I have attached the replacement procedure as well as programming procedure below for your reference.

Let me know of any questions.
Thank you.

https://www.2carpros.com/articles/how-a-car-computer-works-pcm-ecm-bcm
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Saturday, June 11th, 2022 AT 2:42 PM

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