Test Description
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
The number below refers to the step number on the diagnostic table:
- 3: Tests for a magnetic field near the ignition lock cylinder.
DTC B3033
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Theft Deterrent System Schematics | |||
| 1 | Did you perform the Vehicle Theft Deterrent (VTD) Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Theft Deterrent |
| 2 |
IMPORTANT:
Do not start the vehicle.
|
Go to Step 3 | Go to TESTING FOR INTERMITTENT AND POOR CONNECTIONS |
| 3 | Inspect the area around the ignition lock cylinder for any device which could create a magnetic field audio speaker, magnet, etc. Is there a magnetic device near the ignition lock cylinder? |
Go to Step 4 | Go to Step 5 |
| 4 | Remove the device creating the magnetic force. Did you complete the repair? |
Go to Step 8 | - |
| 5 | Inspect for poor connections at the Passlock(tm) sensor. Refer to TESTING FOR INTERMITTENT AND POOR CONNECTIONS
and CONNECTOR REPAIRS
. Did you find and correct the condition? |
Go to Step 8 | Go to Step 6 |
| 6 | Replace the Passlock(tm) sensor in the electronic column lock module assembly. Refer to ELECTRONIC COLUMN LOCK MODULE - DISASSEMBLE - OFF VEHICLE
and ELECTRONIC COLUMN LOCK MODULE - ASSEMBLE - OFF VEHICLE
. Did you complete the replacement? |
Go to Step 7 | - |
| 7 | Perform the Programming Theft Deterrent System Components
procedure. Is the repair complete? |
Go to Step 8 | - |
| 8 |
IMPORTANT:
You may have to wait up to 10 minutes in order to reset the BCM and synchronize all of the Passlock(tm) components.
IMPORTANT:
Do not start the vehicle.
|
Go to Step 3 | System OK |