How do I get the PCM out?
Le Mans Master
Joined: Aug 2003
Posts: 9,298
Likes: 4
From: American Canyon Lethal Injection
For the C5..you take the passenger wheel off. Next is the panel in the back of the fender well. This panel has about 8 screws and one under the car on the fram. Next take the cove insert off. Now you can see the PCM.
With the batt disconnected remove the two plugs, there is two screws in both of them. Unplug the the plugs. Now remove the bracket that holds the PCM in place. DO NOT REMOVE the rear screw on the bracket just loosen it. Now pry the bracket away from the PCM and the TAC module. Pry on the PCM and Tac to break it free from the bracket.
Good luck
Le Mans Master
Joined: Aug 2004
Posts: 6,723
Likes: 1,089
From: NE OH
St. Jude Donor '09-'10
Race Director
Joined: May 2005
Posts: 15,960
Likes: 21
From: West Norriton PA
St. Jude Donor '08
Tech Contributor
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
For whatever your reasons are to require removal of the PCM, I hope you know that you simply cannot replace it with another one. It has to be programmed with a Tech 2 and there is no way to get around this. Also, due to security in there, the car won't run till that reprogramming is done.
Thread Starter
Melting Slicks
Joined: May 2005
Posts: 3,394
Likes: 12
From: Leon Iowa
St. Jude Donor '06-'07-'08-'09
For whatever your reasons are to require removal of the PCM, I hope you know that you simply cannot replace it with another one. It has to be programmed with a Tech 2 and there is no way to get around this. Also, due to security in there, the car won't run till that reprogramming is done.
Tech Contributor
Joined: Dec 2006
Posts: 10,962
Likes: 29
From: Van Buren Arkansas
Wounded Warrior Escort '11
I know there is a secret password shared between the PCM and BCM to assist in preventing theft of the car by replacing either of those two computers. There is a specific procedure to get it to learn the new passwords but normally accomplished by a Tech 2. I don't know if ElfLive will handle this or not.
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Thread Starter
Melting Slicks
Joined: May 2005
Posts: 3,394
Likes: 12
From: Leon Iowa
St. Jude Donor '06-'07-'08-'09
I know there is a secret password shared between the PCM and BCM to assist in preventing theft of the car by replacing either of those two computers. There is a specific procedure to get it to learn the new passwords but normally accomplished by a Tech 2. I don't know if ElfLive will handle this or not.
Melting Slicks
Joined: Aug 2006
Posts: 2,167
Likes: 11
From: Powell TN
Cruise-In VIII Veteran
Hey Marc,
For the C5..you take the passenger wheel off. Next is the panel in the back of the fender well. This panel has about 8 screws and one under the car on the fram. Next take the cove insert off. Now you can see the PCM.
With the batt disconnected remove the two plugs, there is two screws in both of them. Unplug the the plugs. Now remove the bracket that holds the PCM in place. DO NOT REMOVE the rear screw on the bracket just loosen it. Now pry the bracket away from the PCM and the TAC module. Pry on the PCM and Tac to break it free from the bracket.
Good luck
For the C5..you take the passenger wheel off. Next is the panel in the back of the fender well. This panel has about 8 screws and one under the car on the fram. Next take the cove insert off. Now you can see the PCM.
With the batt disconnected remove the two plugs, there is two screws in both of them. Unplug the the plugs. Now remove the bracket that holds the PCM in place. DO NOT REMOVE the rear screw on the bracket just loosen it. Now pry the bracket away from the PCM and the TAC module. Pry on the PCM and Tac to break it free from the bracket.
Good luck
).
