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
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
