GM Service Manual Online
For 1990-2009 cars only

Body Control Module (BCM)

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON, with the engine OFF. Transmission shift lever in the PARK position.

Battery 1

Ignition

Volts

0-25 V

Power Mode

Ignition

OFF/ACCY/RUN/CRANK

RUN

BTSI

Chassis Data

LOCKED/UNLOCKED

LOCKED