GM Service Manual Online
For 1990-2009 cars only

Scan Tool Output Control

Additional Menu Selection(s)

Description

Add/Replace Key FOBs

Program Key Fobs

The BCM programs a new or a replacement keyless entry transmitter for the keyless entry system.

Clear Memory and Program All FOBs

Program Key Fobs

The BCM programs all of the keyless entry transmitters for the keyless entry system.

Horn Relay

Miscellaneous Test

The BCM commands the body control module to sound the horn by grounding the control circuit of the horn relay.

Trunk Release

Miscellaneous Test

The BCM commands the body control module to activate the trunk release.