GM Service Manual Online
For 1990-2009 cars only
Table 1: Body Control Module (BCM)
Table 2: Electronic Brake Control Module (EBCM)

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, engine OFF, brake fluid level normal, and park brake released.

Park Brake Switch

Inputs

Released/Applied

Released

Electronic Brake Control Module (EBCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, engine OFF, brake fluid level normal, and park brake released.

Brake Fluid Level Sensor

-

Low/OK

OK