B2960

DTC B2960 Sec Sys Sensor Data Incorrect But Valid:

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 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 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 Programing Replacement keys, Ign Cyl, or PCM before continuing with the diagnosis of this DTC.

TEST DESCRIPTION
The numbers below refer to the step numbers on the diagnostic table:
1. Perform the Theft Deterrent System Diagnostic System Check before continuing with the diagnosis of this DTC.
2. Clear all DTCs and cycle ignition to check that the DTC did not falsely set.
4. Clear all DTCs after the repair procedure is complete.