The THEFT SYSTEM indicator will not light under any circumstances.

Replace the instrument cluster.

For Chevrolet vehicles, refer to Instrument Cluster Replacement .

For Pontiac vehicles, refer to Instrument Cluster Replacement .

Multiple indicators light continuously.

Test for a loss of serial data. Refer to Data Link Connector.

Instrument cluster DTC B1021 sets.

The DTC indicates a loss of powertrain control module (PCM) serial data. Refer to Data Link Connector.

Instrument cluster DTC B1022 sets.

The DTC indicates a loss of SIR serial data. Refer to Data Link Connector.

Instrument cluster DTC B1023 sets.

The DTC indicates a loss of ABS serial data. Refer to Data Link Connector.

PCM DTC P1601 sets.

The DTC indicates a loss of PCM serial data. Refer to Data Link Connector.

PCM DTC P1629 sets.

The DTC indicates PCM Theft Deterrent failure. Refer to the appropriate diagnostic table in Engine Controls.

Instrument cluster DTC B1011 sets.

Refer to DTC B1011 Passlock Cyl Data Shorted This Ign Cycle .

Instrument cluster DTC B1012 sets.

Refer to DTC B1012 Passlock Bad R-code This Ignition Cycle .

Instrument cluster DTC B1013 sets.

Refer to DTC B1013 Passlock Bad Timing This Ignition Cycle .

Instrument cluster DTC B1014 sets.

Refer to DTC B1014 Passlock R-code Unprogrammed .

Instrument cluster DTC B1015 sets.

Refer to DTC B1015 Passlock Cluster Fail Enabled .

Instrument cluster DTC B1017 sets.

Refer to DTC B1017 Passlock R-code Learn Failed .

The indicator flashes and no instrument cluster codes are set.

Refer to DTC B1013 Passlock Bad Timing This Ignition Cycle (the diagnostic table for DTC B1013).