horist

Ok... tonight I go outside to put some new tuning in...

I go to program the PCM and it can't establsih connection... keeps failing at validating VIN, I let it try about 5 times and exit the program... try to start hte car and it just cranks but doesn't start

Tried to connect to read the PCM , same thing, it tries to connect but keeps failing at validating VIN

Things that I noticed:

1. The lights on LS1 Edit were red... I dont remember if they're always this color of if they're normally Green (what color are your lights when you program?)
2. I had inadvertently put a 30 amp fuse in place of the 10 amp fuse for the PCM BAT when I Cleared the PCM earlier this week.... I checked every fuse under the hood and in the car and none were blown.

Is my PCM Toast?

Strange thing is is that LS1 Edit NEVER got a connection to the PCM past validating VIN... never checked for security key or anything... so I'm thinking there may be a possibility that the PCM isn't toast...

Please help... ANY suggestions will help... I was supposed to go racing tomorrow and spray for the first time but that's definetly out <img border="0" title="" alt="[Sad]" src="gr_sad.gif" />

ChrisB

Try pulling the negative lead on the car battery and leaving it disconnected for half an hour.

This is overkill, but should ensure that your computer has reset.

I would also replace the fuse with one of the proper amperage and check all your other fuses also.

Chris

Camaroholic

iTrader: (1)

The lights in the LS1_Edit cable are actually orange. At least, that's the color I order. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />

Never have used green to build one. Always the same orange LED since the first beta unit.

ChrisB (welcome back!) gave the right suggestion. If it doesn't work, email Ken.

-Andrew

horist

well, I tried discon the battery but it still just cranks and won't start. A friend has offered to lend me his spare 2000 A4 PCM until I get this one fixed <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />

horist

Just put the new PCM in, and car fired right up.

I'm thinking that there may have been a communication problem between the LS1 Edit module and my USB to Serial adapter (laptop doesn't have a serial port)

I'll send my PCM in and get it fixed... and I'm def buying a spare PCM <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" />