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Where is the computer located on a 2004 chevy silverado 1500

Drivers side (under the hood) by the empty battery tray. The inside large one is the ecm. There are tiny red clips that get pushed back first. Then about the center you push in and the whole clip rotates and then the whole thing comes of the ecm. Bottom one is the same. Unit clips in top tabs. Lift them slightly and remove ecm

Feb 16, 2017 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

Can transmission overheat cause reduced engine power

the ECM records problems with the engine and transmission and if those problems go outside set parameters then the ECM puts the car into reduced performance mode (limp mode)
Yes --if the transmission is over heating then the limp mode cuts in to protect the transmission from damage.

Jan 31, 2015 | 2004 Chevrolet Silverado 2500HD

1 Answer

Why does 2004 chev.silverado cutoff after ideling for 15 minutes ?

could be a fuel issue or ecm chevy is having problems with there ecms the cure is having it reflashed

May 08, 2014 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

Locating ecm 2000 silverado Z71

I have a 2002 Silverado 6.0 engine and the ECM is located under the hood on the drivers side frame below the back of the head lights under the air filter.

Aug 26, 2012 | 2000 Chevrolet Silverado

1 Answer

2004 silverado speedometer does not return to 0

It sounds like a junk speedo. Try unhooking the battery for 5min, then hook it back up and try it. If that doesn't work, unhook the ecm, turn on the ignition and see if it reads o, if it doesn't, replace the cluster.

Feb 28, 2009 | 2003 Chevrolet Silverado 1500

1 Answer

Location of ECM on 2002 Silverado

the ecm is located on the driver side under the battery . it has a plastic black cover over it.

Jan 12, 2009 | 2002 Chevrolet Silverado 1500

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