Originally Posted by Bleacher Bum

Long story short. Have owned my 02 10k mile Z for seven years (bought/stole it with 3k). Knew an issue was out there about column lock when I bought it after reading all of your great posts, 7 years ago.

Fast forward to today when I took my car in for inspection. There is an open recall. Puzzled, I ask what for and guess what, it's for the column lock. First off, I'm annoyed that I've taking my car to the same CHEVY dealer since I have owned it and just NOW they found this recall!? WTF. After reading (some of the 106 pages) of this thread I think I will just have them take the lock plate out and be done with the whole mess. A friend I talked to today did the same thing, at the same dealer and they didn't charge him anything. Kinda curious what you all think but my mind is mostly made up

Originally Posted by 8VETTE7

To begin with the most likely cause of your symptoms is a weak or bad battery or loose or corroded battery cables including at the starter.

Next, if the car has had the GM Recall service ( which is NOT a bypass) then the car is doing what the recall is designed to have done when the BCM thinks the column is locked when it should be unlocked. Doesn't matter whether the column is physically locked, only that the BCM thinks it is locked when it should not be locked. Namely it is preventing the car from being driven, EXACTLY what the NHTSA required be done.

Your post indicates you are an obvious newbie to the C5 Column Lock Syndrome, despite being a Forum member since 2010, and haven't taken the time to read much if any of the above recent posts relative to purchasing and installing an LMC5 to get around the Column Lock Symptoms.

The GM Column Lock recall was mandated by the NHTSA NOT because the column locks, but rather because under certain conditions it is possible to DRIVE the car with the column locked. A clear safety issue. The 2mph fuel shutoff that you are experiencing is GM's solution to keep that from happening.

Suggest that you go to this site:


http://complianceparts.com/


Read about and then order and install an LMC5 to be rid of the column lock symptoms once and for all.

While you are waiting for the LMC5 to arrive have your battery tested.

The engine will start with 12.2 volts or less measured across the battery posts with the neg battery cable disconnected but the C5 electronics will NOT be happy if the voltage is 12.5 volts or less.


ESPECIALLY the column lock system electronics.

Originally Posted by 8VETTE7

Insufficient info to know what has or has not been done to the column lock system, whether or not the passenger foot well has gotten wet and hence the BCM and/or the Column Lock relay has gotten wet etc, etc, to give you a guaranteed answer.

My suggestion is to order and install an LMC5. It essentially abandons all the column lock wiring downstream of the BCM so it does not matter what mods were done either by the Column Lock Recall Service or installation of a CLB etc. LMC5 installs right at the BCM. So unless the BCM has gotten wet, it should provide a one time and permanent solution to the column lock symptoms.

Go to this site and read about and then order and install the LMC5:

www.complianceparts.com

Originally Posted by 8VETTE7

Only the 97 - 2000 automatic trans cars experience the column lock problem. All manual trans C5's ( 97-2004) also experience the column lock symptoms. 2001 - 2004 automatic trans cars seldom experience the column lock symptoms but they are NOT immune from the symptoms.

The LMC5 doesn't care whether the car is automatic or manual. Works for both.

Good luck with the re-sync.........

Originally Posted by pauldana

Thank you.., I will continue to try for a few days to achieve the re-sync, with some research...
if that does pan out, I will build one myself per the directions on page 1.



Really just want to get it re-synced... was doing fine until i let the battery go to hell.

Originally Posted by mscheuler

I have the a similar issue. I noticed my battery was a 2012 version and I have access to new AC Delco batteries for $10 here at my factory. They are slightly higher CCA, etc, but new within the last couple months cause we take them out of our chassis. (GM sends with dual batteries and we only need a single)

Anyway I thought I'd just put a new one in and toss out the aging battery. (Old battery wasn't giving me issues)

Boom - Next thing I know I go to start the car and the new battery is dead probably from sitting here on pallet for a couple months. So... I had it jumped and drove to the mechanic to do some other work thinking the battery will be all charged up and by the time I get there I see the "Remove Key, Column Lock" message when i park. I remove key not knowing what's up and restart just to see if it starts and it does. Mechanics call later and say car dies when in gear and reads me that message. Yada yada yada

We confirm the car has the GM recall fix on it. the only change is the different battery. (Prior I've never had this issue happen ever) We did try another battery from here at work with the same results. they also charged that battery over lunch to make sure and it load tested out ok. So with that said, I'm thinking I'll stick the old battery back in and see what happens first.

I've pulled the #23 fuse, checked the #25, etc.

Mechanics are suggesting a relay w/harness is bad. I don't want to just throw money at that since it's like $127 for that relay w/harness.

Thoughts?

Originally Posted by TorqueWinsRaces

The LMC5 fixed my ongoing problem. I also had to do the "brown wire mod". Easy peasy, wish I would have done it a long time ago instead of fighting the problem.