computer swap
Thread Starter
4th Gear Member
Joined: Apr 2007
Posts: 1,612
From: S.Florida
computer swap
i thought this was rather interesting:
a friend of mine was having problems with his car and was told it was his computer (PCM), so we decided to swap out and see what would happen. neither car would start with the other car's computer in it. just puttin the info out there.
a friend of mine was having problems with his car and was told it was his computer (PCM), so we decided to swap out and see what would happen. neither car would start with the other car's computer in it. just puttin the info out there.
s197 Junkie
Joined: Sep 2006
Posts: 16,088
From: IN
RE: computer swap
ORIGINAL: ohnoesaz
So what happens if your ECU goes bad and you buy another one online or something? Does this mean the dealer has to get involved?
So what happens if your ECU goes bad and you buy another one online or something? Does this mean the dealer has to get involved?
Cut & Paste Expert
Joined: May 2007
Posts: 13,322
From: NW Arkansas
RE: computer swap
ORIGINAL: SCCAGT
Neither car would start because the ecu and keys are not coded to each other.
Neither car would start because the ecu and keys are not coded to each other.
mine not working after being in his non-starting PCM
blowing Stang.....[:'(]
I stand corrected.
3rd Gear Member
Joined: Aug 2006
Posts: 793
From:
RE: computer swap
It's scary that some of you even respond on this subject.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
Thread Starter
4th Gear Member
Joined: Apr 2007
Posts: 1,612
From: S.Florida
RE: computer swap
ORIGINAL: bascho
It's scary that some of you even respond on this subject.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
It's scary that some of you even respond on this subject.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
i wasn't worried about screwing around. if he broke anything, he'd fix it. either that, or ford warranty
2nd Gear Member
Joined: Jun 2007
Posts: 356
RE: computer swap
ORIGINAL: bascho
It's scary that some of you even respond on this subject.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
It's scary that some of you even respond on this subject.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
5th Gear Member
Joined: Nov 2006
Posts: 2,789
From: Southern Cali
RE: computer swap
ORIGINAL: bascho
It's scary that some of you even respond on this subject.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
It's scary that some of you even respond on this subject.
First off.......computer? What do you mean by this? The engine management is handled by the PCM, the body security is handled by the SJB and the restraint controls are handled by the RCM. Your car is full of computers and none of them control everything.
Now, I think you are talking about switching out your PCM's.......did both PCM's have the same calibration code? The PCM has nothing to do with the 'transmitter' in the PAT's key. The PAT's system is managed by the SJB. When a dealer changes out your PCM they perform a function called "inhale/exhale". Basically the WDS tool captures key data from the OE PCM and holds that in memory (inhale). Then they plug in the new PCM and transfer that memory to the new part (exhale). This step is crucial to the PCM functioning correctly because it exists in the vehicle's Module Communication Network.
You guys really shouldn't be touching your vehicles electronics with such limited knowledge on the subject. I know you want to work under the hood.....but a modern automobile is far too complex for the lay person.
If you wanted to try that with your friends car all you would also need to do is switch the key cylinders also. The PCM won't start the car until it recognizes the proper key thats programmed. If a car comes in with a bad PCM we have to upload the info from Ford and Erase all key codes and reprogram 2 keys before the car will start.
What problems was he having?