Circuit Description
The Theft Deterrent (VTD) Module performs an internal test to determine if a valid key is present every 300 milliseconds. If the test determines that a invalid key is present the VTD module will indicate a invalid coded key is current.
Conditions for Setting the DTC
At the beginning of the ignition cycle the VTD module detects a invalid coded key.
Action Taken When the DTC Sets
| • | Stores a DTC B2960 in the VTD module memory. |
| • | Security indicator is illuminated. |
Conditions for Clearing the DTC
| • | The VTD module detects a valid coded key. |
| • | A history DTC will clear after 50 consecutive ignition cycles if the condition for the malfunction is no longer present. |
| • | Use the On-Boards clearing DTCs feature. |
| • | Use a scan tool. |
Diagnostic Aids
| • | Check all vehicle ignition keys and inspect the invalid key(s) for damage. |
| • | If vehicle does not start with key, and DTC B2960 is present. Refer to Programming Theft Deterrent System Components before continuing with the diagnosis of this DTC. |
Test Description
The numbers below refer to the step numbers on the diagnostic table:
-
Perform the Theft Deterrent System Diagnostic System Check before continuing with the diagnosis of this DTC.
-
Clear all DTCs and cycle ignition to check that the DTC did not falsely set.
-
Clear all DTCs after the repair procedure is complete.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
Was the Theft Deterrent System Diagnostic System Check performed? | -- | Go to Step 2 | ||
Is the DTC still present? | -- | Go to Step 3 | ||
3 | Replace the VTD module. Refer to Theft Deterrent Module Replacement . Is the replacement complete? | -- | Go to Step 4 | -- |
Are all DTCs cleared? | -- | -- |
