Service Column Lock???
Thread Starter
Drifting
Joined: Apr 2001
Posts: 1,337
Likes: 52
From: Wentzville, MO.
Service Column Lock???
When I fired up my car today I got the "Service Colunm Lock" message on the DIC, followed by "Low Voltage" tired turning the wheel and it was locked... turned the car off... waited a bit and restart again got the "SCL" message but the wheel was unlocked.... took the car out to run some errands and each time I restart I get the "SCL" message but no more problems with the wheel yet 
My car has had the latest Dealership fix for the lock but ... suprise it wasn't fixed... Don't want to take it back to the Dealership if they are going to reflash my PCM again... car has a custom tune... Should I just clear the code and hope it was tied to the low voltage message or am I headed for eventual Steering wheel lock up? Please advise... Never had prior issues... Car is a 99 with MN6
My car has had the latest Dealership fix for the lock but ... suprise it wasn't fixed... Don't want to take it back to the Dealership if they are going to reflash my PCM again... car has a custom tune... Should I just clear the code and hope it was tied to the low voltage message or am I headed for eventual Steering wheel lock up? Please advise... Never had prior issues... Car is a 99 with MN6
Race Director
Joined: Aug 1999
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From: Manhattan, KS Missing SoCal since 2005
I had a CL failure in the "open" position in my 2K coupe. Yours probably was caused by the low voltage problem. You should be able to hit reset to make the message go away. You probably want to avoid reflashing the PCM, so I'd suggest pulling fuse 25 in the pass footwell, and wait a couple of minutes before reinserting. That may clear the error condition in the BCM.
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Get the column lock bypass. That should solve your problems for good.
Thread Starter
Drifting
Joined: Apr 2001
Posts: 1,337
Likes: 52
From: Wentzville, MO.
Just pulled and cleared the codes...nothing showing as current....1 in the BCM related to Column Lock....A bunch of codes in the Doors and seats.....I'm thinking it all was just a low voltage trigger...
Instructor
Joined: Mar 2005
Posts: 136
Likes: 0
From: Mission Viejo CA
I had the same problem a few weeks ago. My battery was old and the service column lock message was showing on the DIC. Took it to the dealership, they cleared the code but two days later the message came back. Replaced the battery and cleared the message and so far all is well.
The dealership updated the software while it was there and said some other fix was planned around the 25th of March, but GM customer service doesn't know about it...
The dealership updated the software while it was there and said some other fix was planned around the 25th of March, but GM customer service doesn't know about it...
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Melting Slicks
Joined: Apr 2000
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From: Austin TX
I had the same problem for two years until the GM tech fnally figured out I had a defective key. They replaced the key and I have NEVER seen the problem again.
Try running a few days with your backup key. I tried to blame the CL, battery and it was nothing more than a bad (flaky) key.
Try running a few days with your backup key. I tried to blame the CL, battery and it was nothing more than a bad (flaky) key.
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Joined: Feb 2004
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From: Rochester MN
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Originally Posted by Dick Kriss
I had the same problem for two years until the GM tech fnally figured out I had a defective key. They replaced the key and I have NEVER seen the problem again.
Try running a few days with your backup key. I tried to blame the CL, battery and it was nothing more than a bad (flaky) key.
Try running a few days with your backup key. I tried to blame the CL, battery and it was nothing more than a bad (flaky) key.
