Mechanics

CHEVY SERVICE COLUMN LOCK

2001 Chevrolet Corvette

Electrical problem
2001 Chevy Corvette V8 Two Wheel Drive Manual 51000 miles

how can I reset or disengage the " Service Column Lock"?
vin 1g1yy22g715109165

i will be glad to add to the donation if there is something I can do other than hauling the car to a dealer for service.
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Livewire60
August 9, 2009.




Hi
If steering unlocks and car runs then all you need to do is remove the BCM1 & IPC fuse in I/P panel for 15sec. It will clear but may reset if there is open in ignition switch circuit.
Hope this helps
Thanks for donate

Docfixit
Aug 10, 2009.
If your column lock is still functioning, you may need to see your dealer about the recall #04006C

The text of the recall is as follows: ***************************************

MODELS: 1997-2004 CHEVROLET CORVETTE EQUIPPED WITH A MANUAL TRANSMISSION
1997-2000 CHEVROLET CORVETTE EQUIPPED WITH AUTOMATIC TRANSMISSION
2001-2004 CHEVROLET CORVETTE EQUIPPED WITH AUTOMATIC TRANSMISSION - EUROPEAN EXPORT
VEHICLES ONLY

DESCRIPTION: PRODUCT SAFETY #04006C
DATED: FEBRUARY 8, 2006
IMPORTANT: THIS BULLETIN CANCELS AND REPLACES BULLETIN 04006B, ISSUED NOVEMBER 2004. THE SERVICE PROCEDURE FOR U.S. VEHICLES EQUIPPED WITH A MANUAL TRANSMISSION HAS BEEN REVISED. PLEASE REVIEW THIS NEW INFORMATION IMMEDIATELY.

ALL COPIES OF BULLETIN 04006B SHOULD BE DESTROYED.

General Motors has decided that a defect, which relates to motor vehicle safety, exists in certain 1997-2004 model year Chevrolet Corvette vehicles. When you remove the ignition key, the electronic column lock (ECL) system prevents turning of the steering wheel. When the vehicle is started, it unlocks the steering. Two conditions can prevent steering while the vehicle is moving: 1. The vehicle is designed so that if the column fails to unlock when the vehicle is started, the fuel supply will be shut off if the driver tries to move the vehicle. If voltage at the powertrain control module is low or interrupted, however, the fuel shut off may not occur and the vehicle can be accelerated while the steering is locked.
2. During quick cranks, the ECL lock pin may not withdraw fully and, in vehicles where there is abnormally low clearance to the lock plate, there may be contact between the pin and lock plate. This can cause a noise or ratcheting when the steering wheel is turned or, if there is insufficient clearance, the steering wheel cannot be turned.

If one of these conditions occurs, a crash could occur without warning.

CORRECTION: Dealers are to remove the column lock plate on U.S. And Canadian vehicles equipped with an automatic transmission and U.S. Vehicles equipped with a manual transmission. After the service correction, the steering column will no longer lock when the key is removed.

On Canadian and export vehicles equipped with a manual transmission, and export vehicles equipped with an automatic transmission, Dealers are to 1) reprogram the PCM, and 2) verify there is adequate lock plate clearance and, if necessary, replace the lock plate. After the service correction, the steering column will continue to lock when the key is removed.

Refer to the Product Safety Bulletin #04006C for further information.

EFFECTIVE DATE: Owner mailing is scheduled to begin February 15, 2006.

GENERAL INFORMATION: Parts required to complete this recall are to be obtained from General Motors Service Parts Operations (GMSPO). Please refer to your " involved vehicles listing" before ordering parts. Normal orders should be placed on a DRO - Daily Replenishment Order. In an emergency situation, parts should be ordered on a CSO - Customer Special Order.

The Parts list follows: Part Number Description Quantity/Vehicle
89023816 Harness Kit, Strg Whl Theft Dtrnt Lk Shorting (US manuals and all automatics except export vehicles) 1
88952428 Wire Kit, Strg Whl Theft Dtrnt Lk (1998-2000 Canadian and export manuals & export automatics) 1 (If Req'd)
26056108 Nut, Strg Whl 1 (If Req'd)
26094767 Plate, Strg Shf Lk (Canadian manuals) 1 (If Req'd)
88964588 Plate, Strg Shf Lk (Export vehicles) 1 (If Req'd)
05694191 Ring, Strg Shf Lk Plt Ret 1 (If Req'd)

**************************************

If your car is one of the models specified, I would bring it to the dealer as soon as possible.

Good Luck
Dr. Loot's Assistant
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Dr Loot
Aug 10, 2009.
On rereading your post, I get the impression that your steering lock has already failed to unlock and that your car is immobilized. If this is the case, try cleaning your battery terminals and attaching a charger. A weak 12 volt supply has been known to prevent proper functioning of the steering lock. Other than that, I'd try another set of keys if you have them.

Good Luck
Dr. Loot's Assistant

Dr Loot
Aug 11, 2009.

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