The other day I went out to take the C5 for a drive with a friend. She would start! There was power to everything but when I turned the key nothing happend. We rolled her back a feet thinking the starter and flywheel was at a bad spot. She started right up as normal. On the way back home the computer went haywire...the DIC was nonstop telling me things were wrong. Every dash light was lit and she went on reduced power.

When we got her back in the driveway I stopped turned her off and tried to restart her...she didn't crank! Oh yeah, as we were driving around my friend told me water was leaking on him.

I decided to wait until the next day to worry about it. I contact my local dealer (whom I trust and works on all my vettes) and he made me an appointment for the next day. When I went out the next day to crank her, the SES and traction control light was on. I turned her off, cleared all the codes (it showed practically everything), disconnected the battery and waited 20 minutes. She cranked fine with no dashlights or info from the DIC so I took her to the dealer. I figured if something happened now on the way the newest codes would show to them. I got there without a problem.

After cleaning the A/C line which was clogged causing the water leak (and they cut the line at the end to open it up some more) they ran a diagnostic test...and it showed nothing! According to them there was no problem at all! They don't know why it did what it did. I asked if the clogged A/C line could have caused the computer problem and they said no. She drove fine home and I am wondering if I should be concerned? A glitch maybe?


[Modified by customvettes, 10:31 AM 7/10/2003]

 

Sounds like you got water in the BCM (body control module) located under the toe board on the passenger side from the clogged drain line from the a/c condensation drain.
Or it could have been a similar problem with the PCM (power control module) and the wiper cowling drain line, sometimes it gets clogged with leaves.

Open it up let it dry and keep your fingers crossed.

 

The random senselessness you describe (including the dealer not being able to detect any issues) can be caused by a bad ground. You may want to return to the dealer and be sure they check all the grounds.

-Pete

 

Thanks guys, I will do both