Flooded 2001 C5
Thread Starter
2nd Gear
Joined: Nov 2020
Posts: 2
Likes: 0
Flooded 2001 C5
Gents,
I was at NMB a few months ago and the severe storm became a salt water bath for m 2001 Corvette. I complete dried everything out and replace the BCM. It will not even turn over, no gauges work even thought the BCM was replace and the module under the passenger fender is in excellent shape.
Is there a trick to turn over the engine, a bypass to just get it started nor cranking? I hand cranked the cam, changed the fluids, put oil in the cylinder and everything to preserve. Unfortunately I owned the car one month before this happen and before you ask it only had liability so it is all on me. I would like to preserve any of the $12K I paid for the car but would not mind removing as much electronics and try to drive it old school if possible.
Any comments are appreciated.
I was at NMB a few months ago and the severe storm became a salt water bath for m 2001 Corvette. I complete dried everything out and replace the BCM. It will not even turn over, no gauges work even thought the BCM was replace and the module under the passenger fender is in excellent shape.
Is there a trick to turn over the engine, a bypass to just get it started nor cranking? I hand cranked the cam, changed the fluids, put oil in the cylinder and everything to preserve. Unfortunately I owned the car one month before this happen and before you ask it only had liability so it is all on me. I would like to preserve any of the $12K I paid for the car but would not mind removing as much electronics and try to drive it old school if possible.
Any comments are appreciated.
Race Director
Joined: Oct 2004
Posts: 12,738
Likes: 4,587
Gents,
I was at NMB a few months ago and the severe storm became a salt water bath for m 2001 Corvette. I complete dried everything out and replace the BCM. It will not even turn over, no gauges work even thought the BCM was replace and the module under the passenger fender is in excellent shape.
Is there a trick to turn over the engine, a bypass to just get it started nor cranking? I hand cranked the cam, changed the fluids, put oil in the cylinder and everything to preserve. Unfortunately I owned the car one month before this happen and before you ask it only had liability so it is all on me. I would like to preserve any of the $12K I paid for the car but would not mind removing as much electronics and try to drive it old school if possible.
Any comments are appreciated.
I was at NMB a few months ago and the severe storm became a salt water bath for m 2001 Corvette. I complete dried everything out and replace the BCM. It will not even turn over, no gauges work even thought the BCM was replace and the module under the passenger fender is in excellent shape.
Is there a trick to turn over the engine, a bypass to just get it started nor cranking? I hand cranked the cam, changed the fluids, put oil in the cylinder and everything to preserve. Unfortunately I owned the car one month before this happen and before you ask it only had liability so it is all on me. I would like to preserve any of the $12K I paid for the car but would not mind removing as much electronics and try to drive it old school if possible.
Any comments are appreciated.
.
Joined: Apr 2013
Posts: 4,997
Likes: 1,133
From: Oregon
St. Jude Donor '14-'15-'16-'17-'18-'19-'20-'21-'22-'23
Don't give up on your car yet! I'm 99% certain you can't just install a new BCM OR PCM without "marrying" them first. You'll also need a Tech II like the Stealer uses to download options into the BCM. If your BCM was under water, your PCM was almost certainly flooded, as well. How deep was the water? Did it get into the motor? Flooded cars are hard to get back up and running. But flooded with saltwater cars are even worse. Did it get high enough to submerge your ignition switch and instrument panel? Hopefully C5 Diag, Bill Curlee, or GCG, or someone more knowledgeable than I, will chime in. Best of luck to you......
https://www.corvetteforum.com/forums...r-flashed.html
Thread Starter
2nd Gear
Joined: Nov 2020
Posts: 2
Likes: 0
Pulled PCM and it was not damaged, good sealed unit with pin/sockets protection due to waterproof gaskets that seal pin sockets. Bought new fuse box as well so should be no issue there.
What do you mean that I have to marry the BCM and PCM? I thought I read somewhere that this was not necessary.
Water was a couple of feet for less than 30 minutes. It came in quick and then was gone.
Any assistance knowing how to bypass most of the electrical and get the engine to turn over/start would be appreciated.
I know there will always be gremlins but I believe with patience and care over time, these can be eliminated.
At this point I just want a basic car maybe even just to run on a track. I will slowly address the ancillary electronic accessories and will install manual items when available i.e. seating.
What do you mean that I have to marry the BCM and PCM? I thought I read somewhere that this was not necessary.
Water was a couple of feet for less than 30 minutes. It came in quick and then was gone.
Any assistance knowing how to bypass most of the electrical and get the engine to turn over/start would be appreciated.
I know there will always be gremlins but I believe with patience and care over time, these can be eliminated.
At this point I just want a basic car maybe even just to run on a track. I will slowly address the ancillary electronic accessories and will install manual items when available i.e. seating.
Race Director
Joined: Oct 2004
Posts: 12,738
Likes: 4,587
Pulled PCM and it was not damaged, good sealed unit with pin/sockets protection due to waterproof gaskets that seal pin sockets. Bought new fuse box as well so should be no issue there.
What do you mean that I have to marry the BCM and PCM? I thought I read somewhere that this was not necessary.
Water was a couple of feet for less than 30 minutes. It came in quick and then was gone.
Any assistance knowing how to bypass most of the electrical and get the engine to turn over/start would be appreciated.
I know there will always be gremlins but I believe with patience and care over time, these can be eliminated.
At this point I just want a basic car maybe even just to run on a track. I will slowly address the ancillary electronic accessories and will install manual items when available i.e. seating.
What do you mean that I have to marry the BCM and PCM? I thought I read somewhere that this was not necessary.
Water was a couple of feet for less than 30 minutes. It came in quick and then was gone.
Any assistance knowing how to bypass most of the electrical and get the engine to turn over/start would be appreciated.
I know there will always be gremlins but I believe with patience and care over time, these can be eliminated.
At this point I just want a basic car maybe even just to run on a track. I will slowly address the ancillary electronic accessories and will install manual items when available i.e. seating.
I believe their IS an emergency way to get the car to start with a new BCM, WITHOUT a wedding, but I'll be damned if I can remember it. My advice would be to get them to the altar! That way, you can have all the RPOs programmed into the BCM, AND have the PCM and BCM married. A Tech II would do it, and both dealers and many repair facilities have them. I know you're looking to save $$$ AND get it to where it has to go to download the RPOs, but if you're going to keep the car long term like you say, it may be the best route to go.....Last edited by grinder11; Nov 6, 2020 at 12:46 PM. Reason: Spell and more info to add
Drifting
Joined: Mar 2018
Posts: 1,362
Likes: 414
From: New Jersey
An easy thing to do would be to connect a scanner to the obd2 port and see if you get any communication with the car's PCM. Salt water is very bad in that it shorts any exposed conductors and wiring with power on it to ground or to battery voltage This may cause damage to circuits that had power on them if they are not short circuit protected. If the circuits were damaged and you then connect a good module to a damaged module you can blow it again. Since the fuse box was under water that creates much potential for damage.
Pro
Joined: Feb 2009
Posts: 651
Likes: 33
From: North Port Florida
Good attitude!! That's what I meant when I said don't give up on your car! I believe their IS an emergency way to get the car to start with a new BCM, WITHOUT a wedding, but I'll be damned if I can remember it. My advice would be to get them to the altar! That way, you can have all the RPOs programmed into the BCM, AND have the PCM and BCM married. A Tech II would do it, and both dealers and many repair facilities have them. I know you're looking to save $$$ AND get it to where it has to go to download the RPOs, but if you're going to keep the car long term like you say, it may be the best route to go.....
I believe their IS an emergency way to get the car to start with a new BCM, WITHOUT a wedding, but I'll be damned if I can remember it. My advice would be to get them to the altar! That way, you can have all the RPOs programmed into the BCM, AND have the PCM and BCM married. A Tech II would do it, and both dealers and many repair facilities have them. I know you're looking to save $$$ AND get it to where it has to go to download the RPOs, but if you're going to keep the car long term like you say, it may be the best route to go.....Corvette Stories
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Melting Slicks
Joined: Sep 2008
Posts: 3,101
Likes: 789
From: Espanola New Mexico
Don't pay attention to the nay sayers, and keep the car. First things first, when replacing a BCM on a C5, you will have to perform a relearn procedure, it is here on this site. When doing the BCM relearn procedure connect a battery charger as the relearn procedure takes about 30 minutes with the key in the on position. The relearn procedure makes the BCM accept the ignition keys resistance value which will allow the car to crank over, and finally you will need a shop or god forbid a stealership to program your cars options into the BCM, good luck.
Melting Slicks
Joined: Apr 2011
Posts: 3,476
Likes: 466
From: New Jersey
Gents,
I was at NMB a few months ago and the severe storm became a salt water bath for m 2001 Corvette. I complete dried everything out and replace the BCM. It will not even turn over, no gauges work even thought the BCM was replace and the module under the passenger fender is in excellent shape.
Is there a trick to turn over the engine, a bypass to just get it started nor cranking? I hand cranked the cam, changed the fluids, put oil in the cylinder and everything to preserve. Unfortunately I owned the car one month before this happen and before you ask it only had liability so it is all on me. I would like to preserve any of the $12K I paid for the car but would not mind removing as much electronics and try to drive it old school if possible.
Any comments are appreciated.
I was at NMB a few months ago and the severe storm became a salt water bath for m 2001 Corvette. I complete dried everything out and replace the BCM. It will not even turn over, no gauges work even thought the BCM was replace and the module under the passenger fender is in excellent shape.
Is there a trick to turn over the engine, a bypass to just get it started nor cranking? I hand cranked the cam, changed the fluids, put oil in the cylinder and everything to preserve. Unfortunately I owned the car one month before this happen and before you ask it only had liability so it is all on me. I would like to preserve any of the $12K I paid for the car but would not mind removing as much electronics and try to drive it old school if possible.
Any comments are appreciated.
Drifting
Joined: Dec 2016
Posts: 1,348
Likes: 207
well, how much of the car do you want to still work and how much money are you willing to put in it? Check out the track section of the forum a bunch of guys doing some wild stuff with C5s and redoing electronics.