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Need to find a PCM or ECM.

Tiny
BLITZKRIEGER00
  • MEMBER
  • 2001 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 243,000 MILES
I would like to know where the ECM (PCM, ECC) is located on the 2001 Chevy Impala.
Saturday, October 2nd, 2010 AT 3:36 PM

9 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Powertrain Control Module In air cleaner box. Here is the instructions and location of the PCM which I would get a a preprogrammed unit by searching Google or Ebay. Check out the images (below). Let us know if you need anything else.
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Saturday, October 2nd, 2010 AT 6:14 PM
Tiny
BULLYCAT87
  • MEMBER
  • 1 POST
  • 2001 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 150,000 MILES
Where is the computer located on a 2001 chevy impala
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Friday, March 1st, 2019 AT 7:33 PM (Merged)
Tiny
IMPALASS
  • MECHANIC
  • 3,112 POSTS
Hello -

If you are talking about the PCM, Power train Control Module it is located on the left Side Of Engine Compartment, Inside Air Filter Box.
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Friday, March 1st, 2019 AT 7:33 PM (Merged)
Tiny
DRHINES22
  • MEMBER
  • 1 POST
  • 2001 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 156,000 MILES
I am trying to find someone who can tell me the location of the computer on a 2001 Chevy Impala 3.4 L and possible provide a picture. Thanks
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Friday, March 1st, 2019 AT 7:33 PM (Merged)
Tiny
ZACKMAN
  • MECHANIC
  • 4,202 POSTS
Inside your air filter box.


https://www.2carpros.com/forum/automotive_pictures/55316_00impalaecm_1.jpg

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Friday, March 1st, 2019 AT 7:33 PM (Merged)
Tiny
GOLDY
  • MEMBER
  • 2 POSTS
  • 2001 CHEVROLET IMPALA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 165,000 MILES
Where is the ECU on a 2001 chevy impala 3.8 L and how do you replace it?
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Friday, March 1st, 2019 AT 7:33 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
The PCM is in the aircleaner box
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Friday, March 1st, 2019 AT 7:33 PM (Merged)
Tiny
GOLDY
  • MEMBER
  • 2 POSTS
Excuse my ignorance; but is the PCM and ECU the same thing and is it difficult to replace?

Thanks
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Friday, March 1st, 2019 AT 7:33 PM (Merged)
Tiny
RASMATAZ
  • MECHANIC
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Its the same thing-disconnect the negative battery cable then find it and unplug the wiring connectors-Bear in mind that you might have to go thru a computer relearning process after replacement due to battery disconnection.
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Friday, March 1st, 2019 AT 7:33 PM (Merged)

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