GM Service Manual Online
For 1990-2009 cars only

Scan Tool Data List for GMC Truck Yukon Denali 2004

Scan Tool Parameter

Data List

Units Displayed

Typical Data Value

Ignition ON, Engine OFF and Brake released

4WD Status

    • ABS
    • VSES

Two wheel drive/Four wheel drive

Varies

ABS Lamp Command

    • ABS
    • VSES

On/Off

Off

ABS Pump Motor

    • ABS
    • VSES

On/Off

Off

ABS Relay Command

    • ABS
    • VSES

On/Off

On

ABS Stop State

    • ABS
    • Traction Assist
    • VSES

On/Off

Off

Brake Switch Status

    • ABS
    • Traction Assist
    • VSES

On/Off

Off

Brake Warning Lamp Command

    • ABS
    • VSES

On/Off

Off

Diff. Pressure/Fluid Level Switch

    • ABS
    • VSES

Ok/Low

Ok

Digital SWPS Phase A

VSES

Low/High

Varies

Digital SWPS Phase B

VSES

Low/High

Varies

Delivered Torque

    • Traction Assist
    • VSES

%

35%

DRP Active

ABS

Yes/No

No

Lateral Accelerometer Sensor Signal

VSES

Volts

2.5 Volts

Left Front Wheel Speed

    • ABS
    • Traction Assist
    • VSES

km/h or mph

5 km/h/3 mph

LF Dump Valve Command

    • ABS
    • VSES

On/Off

Off

LF Dump Valve Feedback

ABS

On/Off

Off

LF ISO Valve Command

    • ABS
    • VSES

On/Off

Off

LF ISO Valve Feedback

ABS

On/Off

Off

LR Dump Valve Command

VSES

On/Off

Off

LR ISO. Valve Command

VSES

On/Off

Off

Left Rear Wheel Speed

VSES

km/h or mph

5 km/h/3 mph

Low Traction Lamp Command

Traction Assist

On/Off

Off

Master Cylinder Pressure Sensor Input

VSES

kPa/psi

0 kPa/psi

Pre-Charge Command

VSES

On/Off

Off

Pre-Charge Feedback

VSES

On/Off

Off

Rear Dump Valve Command

    • ABS
    • VSES

On/Off

Off

Rear Dump Valve Feedback

ABS

On/Off

Off

Rear ISO Valve Command

    • ABS
    • VSES

On/Off

Off

Rear ISO Valve Feedback

ABS

On/Off

Off

Rear Wheel Speed

    • ABS
    • Traction Assist

km/h or mph

5 km/h/3 mph

Requested Torque

    • Traction Assist
    • VSES

%

91%

RF Dump Valve Command

    • ABS
    • VSES

On/Off

Off

RF Dump Valve Feedback

ABS

On/Off

Off

RF ISO Valve Command

    • ABS
    • VSES

On/Off

Off

RF ISO Valve Feedback

ABS

On/Off

Off

Right Front Wheel Speed

    • ABS
    • Traction Assist
    • VSES

km/h or mph

5 km/h/3 mph

RR Dump Valve Command

VSES

On/Off

Off

RR ISO. Valve Command

VSES

On/Off

Off

Right Rear Wheel Speed

VSES

km/h or mph

5 km/h/3 mph

Stability System Active

VSES

Yes/No

No

Stability System Enabled

VSES

Yes/No

Varies

Steering Wheel Position

VSES

Degrees

Varies

System Voltage

VSES

Volts

12 Volts

Traction Control Active

Traction Assist

Yes/No

No

Traction Control Enabled

Traction Assist

Yes/No

Varies

Traction Control Equipped

Traction Assist

Yes/No

Yes

Traction Control Slip

Traction Assist

Yes/No

No

Traction Off Lamp Command

Traction Assist

On/Off

Off

VSES Equipped

VSES

Yes/No

Yes

VSES Relay Command

VSES

On/Off

On

Yaw Rate Sensor Input

VSES

Volts

2.5 Volts