GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Regal (China) 🢒 Body and Accessories 🢒 Horns 🢒 Scan Tool Data List

BCM must be properly powered

Scan Tool Parameter

Units Displayed

Typical Data Value

Horn Output

On/Off

Off