GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2005
🢒
Cobalt
🢒
Body
🢒
Horns
🢒 Scan Tool Data Definitions
Horn Relay Command:
The scan tool displays On/Off. The state that the body control module (BCM) has commanded for the horn relay is displayed.