Steering Column Ignition Lock Cylinder Binds (Replace Lock Cyl. Case Assem.)

Some customers may comment that they are not able to rotate the ignition key from the LOCK position.

This condition may be due to plastic particles being scraped from the ignition lock cylinder case during the installation of the lock cylinder assembly. The plastic particles can migrate into the lock cylinder tumbler slots causing the tumblers to bind and the lock bar to stick in the locked position.

Correction of the above mentioned condition will require replacement of:

The new ignition lock cylinder case assembly is made of zinc and the new VTD module assembly has the new calibration requirements. Both parts have been released in one kit, P/N 26089463 (Ignition Lock Cylinder Case with Theft Deterrent Module Assembly).

1. Remove the ignition lock cylinder assembly.

Refer to Ignition Lock Cylinder Replacement -- On Vehicle in the Steering Wheel and Column -- Tilt sub-section of the Service Manual for the removal procedure.

2. Remove the vehicle theft deterrent (VTD) module assembly (coded key controller).

Refer to Theft Deterrent Module Replacement in the Theft Deterrent sub-section of the Service Manual for the removal procedure.

3. On vehicle, remove the ignition lock cylinder case assembly (lock module assembly).

Refer to Electronic Column Lock Module -- Disassembly -- Off Vehicle (Select Column Type) in the Steering Wheel and Column -- Tilt sub-section of the Service Manual for the removal procedure.

4. Install the ignition lock cylinder case assembly (lock module assembly).

Refer to Electronic Column Lock Module --Assembly -- Off Vehicle (Select Column Type) in the Steering Wheel and Column -- Tilt sub-section of the Service Manual for the installation procedure.

5. Install the vehicle theft deterrent (VTD) module assembly (coded key controller).

Refer to Theft Deterrent Module Replacement in the Theft Deterrent sub-section of the Service Manual for the installation procedure.

6. Code the new ignition lock cylinder assembly to the mechanical cut of the vehicle's existing keys.

Refer to Assembling and Coding Ignition Lock Cylinder procedure in the General Information sub-section of the Service Manual.

7. Install the ignition lock cylinder assembly.

Refer to Ignition Lock Cylinder Replacement -- On Vehicle in the Steering Wheel and Column -- Tilt sub-section of the Service Manual for the installation procedure.

Important: If a valet key (gray) is learned first, the theft deterrent module will not allow additional keys to be learned.

8. Perform the 10 minute Re-Learn Procedure in order to program the PCM with the new fuel password and the VTD module with the transponder value of the first ignition key.

Refer to the Theft Deterrent sub-section of the Service Manual for the procedure.

9. Program additional keys by performing the Quick Learn procedure found in the Theft Deterrent sub-section of the Service Manual or in the PASS-Key® III section of the Owner's Manual.

Parts are currently available from GMSPO.

For vehicles repaired under warranty, use: