My 04 Z06 has 75,800 miles. My display just started saying "SERVICE COLUMN LOCK" every time I start it up.

It drives fine and runs perfect. What does this mean, and what can I do to get rid of it.

Alan

 

You need this:
http://www.corvettesofhouston.com/pr...products_id=54

This is a (somewhat) common problem with the C5 corvettes. However, it seems weird that you're getting that display message but can still drive the car. It is my understanding that the car will become undriveable once the column lock screws up.

Call the dealership and see if the recall has been done to your car to see what system your car is using.

 

[QUOTE=TheDingo;1569392484]You need this:
http://www.corvettesofhouston.com/pr...products_id=54

This is a (somewhat) common problem with the C5 corvettes. However, it seems weird that you're getting that display message but can still drive the car. It is my understanding that the car will become undriveable once the column lock screws up.

Call the dealership and see if the recall has been done to your car to see what system your car is using.

Thanks, I will call tomorrow

 

its going to lock soon. get the CLB installed it took all of 30 minutes for me and zero problems after install

 

I put mine in last weekend, now I don't have to worry about getting stuck somewhere. Do this sooner rather than later.

 

[QUOTE=stock z06;1569397254]its going to lock soon. get the CLB installed it took all of 30 minutes for me and zero problems after install

What is a CLB and is there a reason I just shouldn't take it back to Chevy for a free fix ??

 

alan pm sent

 

[QUOTE=alan7407;1569398660]Get CLB and install it as soon as possible. A CLB is a Column Lock Bypass. There are several of them available from aftermarket suppiers like Corvettes Of Houston. They are easily installed and highly reliable. DO NOT TAKE IT TO THE DEALER! Chevy has come up with three different fixes for this problem and ALL of them have a very high failure rate and when they fail they are very likely to strand you so that you need a tow. It would be good to know which of the fixes if any have been applied to your car. You can find out by having someone who has access to the GM maintenance data bank run your VIN. Come to this forum and learn all you can before you take the car to the dealership for anything.

 

Its not going to lock as the car doesn't have a lock to lock (either removed or built without one). Obviously, the PCM code has been modified so the car doesn't stall out. Your only issue is the message and that is what the reset button is for.

Bill

 

Actully the car shouldn't have run, the computer on those cars were supposed to be reflashed, to shut the fuel off when the coloum lock would not unlock.

 

[QUOTE=jclarksnakes;1569399388][QUOTE=alan7407;1569398660]

Get CLB and install it as soon as possible. A CLB is a Column Lock Bypass. There are several of them available from aftermarket suppiers like Corvettes Of Houston. They are easily installed and highly reliable. DO NOT TAKE IT TO THE DEALER! Chevy has come up with three different fixes for this problem and ALL of them have a very high failure rate and when they fail they are very likely to strand you so that you need a tow. It would be good to know which of the fixes if any have been applied to your car. You can find out by having someone who has access to the GM maintenance data bank run your VIN. Come to this forum and learn all you can before you take the car to the dealership for anything.

I called my dealership and he says I complied with the recall in 12-04 (I bought it used in 9-04)
He just said to bring it in and they would diagnose.

 

It would be a mistake to take it to the dealer for this problem. This issue was covered in 3 different recalls that are now expired and they will charge you (perhaps several hundred dollars) for the latest fix that includes a modification to the computer so that the car will only go 2 MPH when the computer thinks the column lock has failed. This problem often comes up when the battery voltage is low. Bill Dearborn is probably right that the 2 MPH limit has not been set in your comuter and you could reset the code and it will probably not cause you any problems. If it was me I would also install a CLB.

 

[QUOTE=jclarksnakes;1569418860]It would be a mistake to take it to the dealer for this problem. This issue was covered in 3 different recalls that are now expired and they will charge you (perhaps several hundred dollars) for the latest fix that includes a modification to the computer so that the car will only go 2 MPH when the computer thinks the column lock has failed. This problem often comes up when the battery voltage is low. Bill Dearborn is probably right that the 2 MPH limit has not been set in your comuter and you could reset the code and it will probably not cause you any problems. If it was me I would also install a CLB.

I was ready to go ahead and buy a CLB, but I had a thought. In the instructions for installing, it tells you to pull fuse #25 from the panel in the passenger footwell. I did that, and when I put it back in I heard a couple of clicks. I closed everything back up and put the key in the ign and viola, no problem display. The car does exactly what it's supposed to do. Before I put the key in, the column is locked. As soon as I put the key in, it unlocks, and drives fine.

Hopefully, that takes care of it. I'm thinking that I had a low voltage issue that might have set the code, and taking the fuse out simply reset the computer.

Now watch, I'll probably be driving down a windy road and it'll lock up and I'll plow into a tree. Anyway, thanks for all the support.

 

[QUOTE=jclarksnakes;1569418860]It would be a mistake to take it to the dealer for this problem. This issue was covered in 3 different recalls that are now expired and they will charge you (perhaps several hundred dollars) for the latest fix that includes a modification to the computer so that the car will only go 2 MPH when the computer thinks the column lock has failed. This problem often comes up when the battery voltage is low. Bill Dearborn is probably right that the 2 MPH limit has not been set in your comuter and you could reset the code and it will probably not cause you any problems. If it was me I would also install a CLB.

I did a little more research. The install guide says to take out fuse 25 while doing the install. On a lark, I went out and pulled the fuse and put it back in and it made a couple of clicks and everything seems to work fine. When I get in, the column is locked. I put the key in and it unlocks, and drives fine. I think I may have gotten a low voltage signal, and when I pulled the fuse, it reset itself. Anyway, all appears to be good again, no problem display anymore. Thanks for your support.

 

Something does not sound right? If your column is locked before you turn the key to start the car then the Chevy dealer did not properly do the recall fix in 2004? (question marks indicate I am confused, LOL) You need a CLB or your column can lock up on you. The column lock light on the DIC is your first and possibly last warning that it is going to happen. This is not likely to happen while driving. If it happens while parked somewhere away from home you will need a tow. After reading this forum for several years it seems to me that a small percentage of C5 towings do result in damage to the car.

 

I had the same problem and drove that way for 2 months. The problem turned out to be a bad battery (even though the car would start). Once I replaced the battery, no more Service Column Lock.

 

Once it happens once, its a good idea to go ahead and get a CLB, because it will happen again when you least expect it. Mine occurred, then went away for a while, and gave me a false sense of security, and then left me stranded at an airport about 100 miles from home. Its a cheap part with an easy install and you never have to worry about it again. Call it prevententative medicine, or whatever, but my advice would be to go ahead and get it and save some headaches down the road.