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Old May 4, 2015 | 04:44 PM
  #1  
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Default 2001 cuts off

Need Help bad. My 2001 cranks up and idles O.K. but when you put into 1st gear and let out on then clutch it will go about 5 feet and then shuts off. The car has 41,000 miles on it. It has been several months since it was cranked up. The car was low on gas at the time so I put about 5 gallons in it, 93 octane. Checked out the after-market filter and appears to be ok. Checked out to see if there were and codes and had 2 on the HVAC that I could not clear. aside from that no codes and no check- engine light. No problems cranking or just sitting running. I ran it up to about 3,000 RPM's and it is ok, but when I let out on the clutch it dies. Can anyone help me. the car has never given me any problems in the pass. e-mail is oxfordsj@yahoo.com CVETGO
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Old May 5, 2015 | 10:33 AM
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Default Reply to 2001 Cuts Off

Originally Posted by 8VETTE7
Certainly sounds like the column lock 2mph fuel shutoff to me. Pull and post ALL the codes including the H or C or HC that follow each 5 character code. If you don't know how to pull codes here is how:





OR



http://www.c5forum.com/ayc/dtcdic.php




Do you have any messages displaying on the DIC like " Pull Key and wait....." or "Service Column Lock" when you attempt to drive the car??
Thank you for replying first of all. I do get messages on the DIC - Pull Key and wait 10 seconds and Service Column Lock.

All codes are clear except for 1- 99 HVAC 1 code BO 338 HC

Can you help me ??
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Old May 5, 2015 | 10:37 AM
  #3  
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What you need can be found here:

http://complianceparts.com/

Easy to install, and will resolve your issue.
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Old May 5, 2015 | 10:50 AM
  #4  
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I consider the LMC5 to be the best Column Lock problem permanent fix out there. It also does not require you to “undo” any previous CL attempts to resolve this issue. Their eBay ads have a good video that shows the install at the BCM. It does not cover everything in the written instructions. So, read the instructions and also here is some extra info. In some cases, the BCM timing is off just enough to cause some issues. They make several versions and they can swap out/provide one of these if you have any issues. Their customer support is as good as it gets.

Not uncommon for people to "put the column in a pre-lock condition" and not know it and then start with the install. In other words, they started with the column lock “energized’ even if it was not actually locked yet. If not actually locked yet, it will be as soon as you turn the steering wheel after the LMC5 install. It will then remain in the locked condition until you cause the motor to unlock. It will then remain in the unlocked condition since the motor is then unpowered with the circuits disconnected.

Here is one way to prevent that if your column locks and unlocks normally:

If the CL is functioning normally you don't not need the Unlocker, merely turn the ignition ON, pull fuse #23 in the I/P fuse box, turn ignition OFF, turn the steering wheel (left and right) and verify it is unlocked. Next, disconnect the negative battery terminal, re-insert fuse #23 and continue with the install.

Compliance Parts website: http://complianceparts.com/index.html
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Old May 6, 2015 | 07:53 AM
  #5  
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Default Reply to 8vettez

Originally Posted by 8vette7
you are experiencing the gm column lock 2mph fuel shutoff symptoms that result from a low battery.

Order and install the lmc5 as suggested above. That will solve the symptoms for certain.

But the cause of your symptoms is a weak or bad battery or loose or corroded battery cable including at the starter.


The car starts with a no load battery voltage of 12.2 volts or less but the cars electronics, especially the column lock electronics, are not happy with a no load voltage of 12.5 volts or less. No load voltage is the voltage measured across the battery posts using a digital multi-meter with the neg battery cable disconnected. You cannot use the dash voltage gauges to tell you the state of health of the battery. They tell you the state of health of the charging system. With engine running you read the approximate output voltage of the alternator. With engine off and key on the reading is near worthless since many electrical circuits in the c5 can be loading the battery. Having voltage after the car starts from the alternator doesn't help the column lock since that function runs before the engine starts so voltage with the engine running is too late.

Suggest that you address the battery issue while you are waiting for the lmc5 to arrive......
8vettez thank you so much for the help it is sure appreciated. Will have to read the last part of you info about the battery again to be sure i understand. The battery is only 2 months old and all connections are in excellant condition.
Thanks again
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Old May 6, 2015 | 08:25 AM
  #6  
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Maybe this will help:

A fully charged battery should be 12.6v or more.

It's not 12 volts it's 12.6 because each cell is 2.1 volts.

If the battery is

12.5 = 85% charged
12.4 = 65%
12.3 = 50%
12.2 = 35%
12.1 = drained
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Old May 6, 2015 | 08:40 AM
  #7  
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Originally Posted by cvetgo
8vettez thank you so much for the help it is sure appreciated. Will have to read the last part of you info about the battery again to be sure i understand. The battery is only 2 months old and all connections are in excellant condition.
Thanks again
Doesn't matter if your battery is 2 weeks old or 7 years old... in your C5 it still HAS to be a good battery regardless of age... it's about VOLTAGE storage...it can, or it can't, and IF it can't you need a battery that CAN.
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Old May 6, 2015 | 09:27 AM
  #8  
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After I installed the LMC5 I had my 2or5 MPH reset to 245 MPH so I never get into that issue.
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