Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
DTC Descriptors
DTC B0983 00: Security System Indicator 2 Control CircuitCircuit/System Description
The security indicator acts as a status indicator for the content theft deterrent (CTD) system when the ignition is OFF and as a fault indicator for the immobilizer system when the ignition is ON. When either the body control module (BCM) or theft deterrent module (TDM) requires the security indicator to be illuminated, a serial data message is sent to the instrument panel cluster (IPC), which will illuminate the indicator.
Conditions for Running the DTC
The system voltage is at least 9 V and no more than 16 V.
Conditions for Setting the DTC
The body control module detects a short to ground on the security indicator control circuit.
Action Taken When the DTC Sets
Security indicator output is disabled
Conditions for Clearing the DTC
| • | A current DTC is cleared when the conditions for setting the DTC are no longer present. |
| • | A history DTC will clear after 40 malfunction free ignition cycles. |
Reference Information
Schematic Reference
Theft Deterrent System Schematics
Connector End View Reference
Description and Operation
Content Theft Deterrent (CTD) Description and Operation
Electrical Information Reference
| • | Circuit Testing |
| • | Wiring Repairs |
Scan Tool Reference
Control Module References for scan tool information
Circuit/System Verification
Ignition ON, verify the security indicator illuminates when performing the scan tool IPC Display Test.
| ⇒ | If the security indicator does not illuminate, replace the IPC. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for body control module or instrument panel cluster replacement, setup, and programming
