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Impala While undergoing many facelifts in its history, the Impala has proved itself to both civilians and police forces as one of the most capable 4-door cars GM has ever offered. Currently moving towards its 10th generation the Impala is one of the longest lasting and popular models.

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Old 12-04-2008, 01:04 PM
Prospect62's Avatar
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Join Date: Jun 2006
Location: Upstate, NY
Posts: 1
Default 2004 Impala 9C1 BCM Issues

Hey guys. I drive a 2004 Impala 9C1 (police package) for work and lately, the dashboard lights haven't been working (speedo, gear selector, climate controls, radio, etc). I also hear some clicking or buzzing (like a loose electrical connection) coming from behind the dashboard.

From what I have found so far, people are saying it's the BCM. It might be bad or just have loose connections. I work for a small department and this is the oldest car in our fleet. The Sergeant has no plans whatsoever to send the car out to be looked at, so I am doing it on my own because I like to see my dash lights at night.

I really need to know where the BCM is and how hard it would be to fiddle with the wires and/or replace the thing.

Any other hints or suggestions regarding this problem are welcome, as I see it's somewhat common (in different forms) on these Impalas.

Thanks in advance guys.
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Old 12-05-2008, 01:55 AM
HotSauce6226's Avatar
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Join Date: Jan 2008
Location: Shelbyville, KY
Posts: 813
Default RE: 2004 Impala 9C1 BCM Issues

BCM is behind your emergency brake
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Old 12-09-2008, 06:10 PM
CF Junior Member
Join Date: Dec 2007
Location: Denver, CO
Posts: 33
Default RE: 2004 Impala 9C1 BCM Issues

I'm having the same problem with my wife's 04 SS. But it's only happened once. The dealer said the BCM may have gotten some condesation on it. If there is a problem in the future, how hard is this part to replace?
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Old 12-11-2008, 12:01 PM
HotSauce6226's Avatar
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Join Date: Jan 2008
Location: Shelbyville, KY
Posts: 813
Default RE: 2004 Impala 9C1 BCM Issues

Easy to replace, in and out
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