GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2003 🢒 Century 🢒 Transmission/Transaxle 🢒 Shift Lock Control 🢒 Scan Tool Data List
Table 1: Body Control Module (BCM)
Table 2: Powertrain Control Module (PCM)

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.

Ignition 0

Inputs

Volts

0-25 V

Ignition 1

Inputs

Volts

0-25 V

Park (BTSI) Relay

Outputs

ON/OFF

ON

Powertrain Control Module (PCM)

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.

Ignition 1

Eng 1, Eng 2, EGR, Fuel Trim

Volts

0-25 V

TFP Switch

Eng 2, EGR, Fuel Trim

Park/Neutral/Drive 1/Drive 2/Drive 3/Drive 4/Reverse

Park