GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
2007
🢒
DTS
🢒
Body Systems
🢒
Horns
🢒 Scan Tool Data Definitions
Horn Relay Command:
The scan tool displays Off/On. When the body control module (BCM) commands the horn relay On, the scan tool displays the commanded state for the relay.
