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

Powertrain Control Module (PCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Key ON, Engine OFF, Transmission in Park

Cruise

Transmission Data

Enabled/Disabled

Disabled

Cruise Control Active

Engine Data 1

Yes/No

No

Cruise Inhibit Reason

Engine Data 1

1-6

1

Cruise Inhibit Signal Circuit Status

Output Driver Data

Ok/Fault

Ok

Cruise Inhibit Signal Command

Engine Data 1

ON/OFF

ON

Electronic Brake Control Module (EBCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, Engine OFF

Brake Pedal Released

ABS Data

Yes/No

Yes

Brake Switch Status

ABS Data

Applied/Released

Released