For 1990-2009 cars

### Circuit Description

The body control module (BCM) can be configured with the applicable vehicle options. This code implies that the BCM was not configured either at the asembly plant or after replacement.

### Conditions for Running the DTC

The ignition switch is turned on.

### Conditions for Setting the DTC

The DTC sets when the BCM is not configured properly.

### Action Taken When the DTC Sets

• | The SERVICE VEHICLE SOON indicator illuminates.

• | The check gauges chime sounds.

### Conditions for Clearing the DTC

• | A current DTC B1001 will clear when the BCM is properly programmed.

• | A history DTC will clear if the condition is no longer present after 100 ignition cycles with no current codes active during the 100 ignition cycles.

### Test Description

The number(s) below refer to the step number(s) on the diagnostic table.

1. If DTC B1001 is set as current, reprogram the BCM.

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Body Control Module Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Body Control System
2 | Reprogram the body control module. Refer to Body Control Module (BCM) Programming/RPO Configuration . Did you complete the procedure? | System OK | --