Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

HELP......PCM not responding

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Old Jul 17, 2003 | 12:10 AM
  #1  
jdvm95Z28's Avatar
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From: Texarkana,AR
HELP......PCM not responding

I'm loading a program from PCM4less on my 95 Z and I'm getting an error when I run flshread.......it says ERROR.....no response from PCM.............HUH........I'm no genius so any help would be appreciated......
Old Jul 17, 2003 | 12:54 AM
  #2  
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Did you already program it and this happened after programming or you did this before programming?
Old Jul 17, 2003 | 09:46 AM
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It happened as soon as I tried to run flashread..........When I ran flash read to store the PCM original settings it said ERROR: NO REPSONSE FROM PCM....
Old Jul 17, 2003 | 12:25 PM
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jdvm95Z28's Avatar
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OK I think I've found the problem.............I'm using windows ME and opening the MSDOS "shell window".......I have been told that you can't do it this way.....but I don't know how to do it any other way.....I think you have to go to a web site and download another "True MS-DOS" version......does this sound right?
Old Jul 17, 2003 | 01:08 PM
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Try doing a command prompt only boot... When you turn on the computer, hold the F8 key down before the Windows logo shows up. You should get a menu. On the menu select Command Prompt Only and press enter.

This should get you to a command prompt, now navigate to and run your flashread program.

Try creating a boot disk in Windows.

Click on start
Click on settings
click on control panel
double-click on add/remove programs
In the add/remove programs window, you should see a tab that reads Windows Setup. Click that.
Click on create startup disk
Follow instructions.

When you're done, make a note of the folder that the flash programming stuff for the car is in.

Close all windows and shut down the computer.

Put your boot disk in drive a: and boot up the computer to a command prompt.

Now you're in true DOS.

do a "CD c:\whaterfolderyouwrotedown" to get to where you saved the program for the PCM.

run your software.

If you can't make a boot disk, borrow one from a buddy.
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