GM Service Manual Online
For 1990-2009 cars only

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Operating Conditions: Ignition ON/Engine ON/Steering wheel centered/No force applied to steering wheel

Scan Tool Parameter Name

Data List

Units

Typical Value

Calculated System Temperature

PSCM

°C / °F

-50 - 250

Overload Protection Incidents

PSCM

Numeric

0 - 255

Steering Shaft Torque

PSCM

N·m or lb ft

-7 - 7

Steering Wheel Position

PSCM

Degrees

-720 - 720

Vehicle Speed Status

PSCM

valid / invalid

valid