GM Service Manual Online
For 1990-2009 cars only

Ignition is ON, engine OFF, and steering wheel is straight.

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

8 Digit GM Part Number

Controller Information 1

Number

16XXXXXX

Calibration ID

Controller Information 1

Number

XXXX

Base Part Number

Controller Information 2

Number

XXXX

Build Sequence Number

Controller Information 1

Number

XXXX

Calibration Part Number

Controller Information 2

Number

XXXX

End Model Part Number

Controller Information 2

Number

XXXX

ROM Part Number

Controller Information 2

Number

XXXX

Digital SWPS Index Pules (Without JL4)

VES Date

States Change

High/Low

Digial SWPS Bias Correction

    • ACTIVE HANDLING Data
    • VES Date

--

--

Analog SWPS Voltage

    • VES Data
    • ACTIVE HANDLING Data

Volts

2.5

Digital SWPS Input A

    • VES Data
    • ACTIVE HANDLING Date

State Change

High/Low

Digital SWPS Input B

    • VES Data
    • ACTIVE HANDLING Data

State Change

High/Low

Ignition Power

ABS/TCS/ACTIVE HANDLING Data

Volts

12

Julian Date Code

Controller Information 1

Year/Day

XXXX

Magnasteer® Commanded Current

VES Data

Amps

0

Magnasteer® Failed

VES Data

Yes/No

No

Magnasteer® Feedback Current

VES Data

Amps

0

PROM ID

Controller Information 1

Number

XXXX

Steering Angle Centering Complete

    • VES Data
    • ACTIVE HANDLING Data

Yes/No

0

Vehicle Speed

    • ABS/TCS/Active Handing Data
    • VES Data

Km/h/MPH

0

VES Active Indicator/Message

    • VES Data
    • ACTIVE HANDLING Data

On/Off

Off

VES Failed

    • VES Data
    • ACTIVE HANDLING Data

Yes/No

No

VES Warning Indicator/Message

    • VES Data
    • ACTIVE HANDLING Data

On/Off

Off

VES is Centered

    • VES Data
    • ACTIVE HANDLING Data

Yes/No

No