GM Service Manual Online
For 1990-2009 cars only

Driver Seat Adjuster Memory Module Scan Tool Information for GMC Truck Yukon XL Denali 2009

Driver Position Module

Scan Tool Parameter

System State

Expected Value

Definition

Operating Conditions: Ignition ON/Engine OFF

Driver Seat Front Vertical Sensor

--

Varies

The scan tool displays volts. This is the state of the driver front vertical sensor.

Driver Seat Horizontal Sensor

--

Varies

The scan tool displays volts. This is the state of the driver horizontal sensor.

Driver Seat HVC Mode

--

Off

The scan tool displays Off, Back & Cushion, Back Only, Cool. This is the state of the driver seat HVAC mode.

Driver Seat HVC Level

--

Varies

The scan tool displays High, Medium, Low. This is the state of the driver seat HVAC level.

Driver Seat Rear Vertical Sensor

--

Varies

The scan tool displays volts. This is the state of the driver seat rear vertical sensor.

Driver Seat Recline Sensor

--

Varies

The scan tool displays volts. This is the state of the driver seat recline sensor.

Front Vertical Downward Switch

--

Inactive

The scan tool displays Inactive/Active. This is the state of the front vertical downward switch.

Front Vertical Upward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the front vertical upward switch.

Front Vertical Motor Downward

--

Inactive

The scan tool displays Inactive/Active. This is the state of the front vertical motor downward.

Front Vertical Motor Upward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the front vertical motor upward.

Horizontal Motor Forward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the horizontal motor forward.

Horizontal Motor Rearward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the horizontal motor rearward.

Horizontal Forward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the horizontal forward switch.

Horizontal Rearward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the horizontal rearward switch.

Lumbar Downward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar downward switch.

Lumbar Forward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar forward switch.

Lumbar Horizontal Sensor

--

Varies

The scan tool displays volts. This is the state of the lumbar horizontal sensor.

Lumbar Inflation Value

--

Varies

The scan tool displays volts. This is the state of the lumbar inflation.

Lumbar Motor Downward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar motor downward.

Lumbar Motor Forward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar motor forward.

Lumbar Motor Rearward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar motor rearward.

Lumbar Motor Upward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar motor upward.

Lumbar Rearward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar rearward switch.

Lumbar Upward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the lumbar upward switch.

Lumbar Vertical Position

--

Varies

The scan tool displays volts. This is the state of the lumbar vertical position.

Lumbar Vertical Sensor

--

Varies

The scan tool displays volts. This is the state of the lumbar vertical sensor.

Massage Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the massage switch.

Massage Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the massage switch.

Memory 2 Adj. Pedals Position

--

Volts

The scan tool displays volts. This is the state of the memory 1 for the adjustable pedals position.

Memory 2 Adj. Pedals Position

--

Varies

The scan tool displays volts. This is the state of the memory 2 for the adjustable pedals position.

Passenger Seat HVC Mode.

--

Off

The scan tool displays Off, Back & Cushion, Back Only, or Cool. This is the state of the passenger seat HVAC mode.

Passenger Seat HVC Level

--

Varies

The scan tool displays High, Medium, and Low. This is the state of the HVAC level.

Pedal Aft Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the pedal aft switch.

Pedal Forward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the pedal forward.

Pedal Forward Softstep Pos.

--

Varies

The scan tool displays Volts. This is the state of the pedal forward softstep position.

Pedal Forward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the pedal forward switch.

Pedal Position

--

Varies

The scan tool displays Volts. This is the state of the pedal position.

Pedal Rearward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the pedal rearward.

Pedal Rearward Softstop Pos.

--

Varies

The scan tool displays Volts. This is the state of the pedal rearward softstop position.

Pedal Softstop Learn Status

--

Learned

The scan tool displays Learned/Unlearned/Failed. This is the status of whether or not the pedal softstop learned it's position.

Recline Forward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the recline forward switch.

Recline Motor Forward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the recline motor forward.

Recline Motor Rearward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the recline motor rearward.

Recline Rearward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the recline rearward switch.

Rear Vertical Downward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the rear vertical downward switch.

Rear Vertical Motor Downward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the rear vertical motor downward.

Rear Vertical Motor Upward

--

Inactive

The scan tool displays Active/Inactive. This is the state of the rear vertical motor upward.

Rear Vertical Upward Switch

--

Inactive

The scan tool displays Active/Inactive. This is the state of the rear vertical

Seat Horizontal Position

--

Varies

The scan tool displays volts. This is the state of the seat horizontal position.

Seat Front Vertical Position

--

Varies

The scan tool displays volts. This is the state of the seat front vertical position.

Seat Rear Vertical Position

--

Varies

The scan tool displays volts. This is the state of the seat rear vertical position.

Seat Recline Position

--

Varies

The scan tool displays volts. This is the state of the seat recline position.

Seat Recline Position

--

Varies

The scan tool displays volts. This is the state of the seat recline position.