Test Description
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. 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 Connector End View Reference: Theft Deterrent System Connector End Views |
|||
| 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 Conditions and Poor Connections in Wiring Systems |
| 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™ sensor. Refer to Testing for Intermittent Conditions and Poor Connections
and Connector Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 8 | Go to Step 6 |
| 6 | Replace the Passlock™ sensor in the electronic column lock module assembly. Refer to Ignition Lock Cylinder Replacement
in Steering Wheel and Column. 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™ components.
IMPORTANT:
Do not start the vehicle.
|
Go to Step 3 | System OK |