GM Service Manual Online
For 1990-2009 cars only

The body control module (BCM) provides a remote activation verification (RAV) feature. This feature supplies feedback to the operator on receipt and execution of certain keyless entry commands.

Remote Unlock Verification

A remote unlock message received by the remote control door lock receiver will cause the body control module (BCM) to command certain functions, depending on the remote unlock verification mode. The BCM has the following 4 modes of operation for the remote unlock verification:

Mode

Action--Result

1

No Unlock Verification

2

Horn Only

3

Headlamps Only

4

Horn and Headlamps

For procedures on programming the different modes of operation, refer to Remote Activation Verification (RAV) Customization .

Remote Lock Verification

A remote unlock message received by the remote control door lock receiver will cause the body control module (BCM) to command certain functions, depending on the remote unlock verification mode. The BCM has the following 4 modes of operation for the remote unlock verification:

Mode

Action--Result

1

No Unlock Verification

2

Horn Only

3

Headlamps Only

4

Horn and Headlamps

For procedures on programming the different modes of operation, refer to Remote Activation Verification (RAV) Customization .