GM Service Manual Online
For 1990-2009 cars only
8-Digit GM Part Number: The scan tool displays the part number of the module.

Back Panel Position Switch: The scan tool displays Active/Inactive. When the folding seat is in the stowed or seated positions, the switch contacts are closed to voltage and the scan tool will display Active. When the folding seat is in a position other than the seated or stowed positions, the switch is open and the scan tool will display Inactive.

Battery Voltage: The scan tool displays 0-16 Volts. The voltage measured between the module's battery positive circuit and ground circuit.

Calibration ID: The scan tool displays a 4 digit number. This number designates the calibration or program level used in the PROM.

Current: The scan tool displays 0-127.5 amps. The amount of amps used during seat operation.

Driver Heated Seat (RIM): The scan tool displays Off/ON. When the heated seat is on, the scan tool will display On, this parameter is the output from the RIM to the heated seat module.

Driver Heated Seat Status (CCP): The scan tool displays Off/High/Low. When the heated seat is on, the scan tool will display the status signal from the rear integration module to the climate control panel as High or Low.

Driver Heated Seat Status (RIM): The scan tool displays Off/High/Low. When the heated seat is on, the scan tool will display the status signal from the heated seat module to the rear integration module as High or Low.

Driver Heated Seat Sw. (CCP): The scan tool displays Idle/Pressed. When the driver heated seat switch is pressed, the scan tool will momentarily display the switch input of the climate control panel as Pressed.

Front Stow Switch: The scan tool displays Inactive/Active. When the folding seat front stow switch is pressed, the scan tool will display the switch input to the rear seat module as Active.

Front Vertical Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat front vertical position. High scan tool values (Volts or A/D) indicate that the seat front is in the up position and low values indicate that the seat front is in the down position.

Horizontal Motor (RSM): The scan tool displays Idle/Forward/Rearward. During folding seat operation the scan tool will display Forward or Rearward, this is the direction the rear seat module is commanding the horizontal motor to move the seat.

Horizontal Sensor (MSM): The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat horizontal position. High scan tool values (Volts or A/D) indicate that the seat is in the forward position and low values indicate that the seat is in the rearward position.

Horizontal Sensor (RSM): The scan tool displays 0-3,000 Counts. The hall effect sensor provides a pulse signal with each rotation of the motor that the scan tool displays as counts. High scan tool count values indicate that the folding seat is forward for the stowed position, while low count values indicate that the folding seat is rearward for the seated position.

Julian Date of Build: The scan tool displays a 3-digit number. This number is the day of the year that the module was built.

Load Floor Switch: The scan tool displays Inactive/Active. When the folding seat back panel is in the folded position, the load floor switch contacts are closed to voltage and the scan tool will display Inactive. When the folding seat back panel is unfolded to the deployed position, the load floor switch is open and the scan tool will display Active.

Load Shed Lvl. 1 Heated Seat: The scan tool displays Disabled/Enable. During a pre-determined heavy loading condition, the driver information module (DIM) will send out a class 2 message to the rear integration module (RIM) that a load shed level 1 is in effect and the scan tool will display Enable.

Load Shed Lvl. 2 Heated Seat: The scan tool displays Disabled/Enable. During a pre-determined heavy loading condition, the driver information module (DIM) will send out a class 2 message to the rear integration module (RIM) that a load shed level 2 is in effect and the scan tool will display Enable.

Lumbar Horizontal Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the lumbar horizontal position. High scan tool values (Volts or A/D) indicate that the lumbar is in the forward position, while low values indicate that the lumbar is in the rearward position.

Memory Recall Switches: The scan tool displays Idle/Memory 1/memory 2/Exit. When a memory function switch is pressed, the scan tool will momentarily display the function as selected.

Passenger Heated Seat (RIM): The Scan tool displays Off/On. When the heated seat is on, the scan tool will display On, this parameter is the output from the RIM to the heated seat module.

Passenger Heated Seat Status (RIM): The scan tool displays Off/High/Low. When the heated seat is on, the scan tool will display the status signal from the heated seat module to the rear integration module (RIM) as High or Low.

Passenger Heated Seat Status (CCP): The scan tool displays Off/High/Low. When the passenger heated seat switch is pressed, the scan tool will display the status signal from the rear integration module to the climate control panel as High or Low.

Pass. Heated Seat SW. (CCP): The scan tool displays Idle/Pressed. When the passenger heated seat switch is pressed, the scan tool will momentarily display the heated seat switch input of the climate control panel as Pressed.

Personalization Option: This is the state of the personalization option as it is stored in the Dash Integration Module (DIM). When the Personalization Option is selected, the scan tool displays the directions to activate or deactivate the personalization option. The asterisk beside the option indicates that the personalization option is activated. The personalization option is normally set to the activated state during assembly of the vehicle.

PROM ID: The scan tool displays a 4 digit number. This is the identification number of the PROM that is incorporated into the module.

Rear Stow Switch: The scan tool displays Inactive/Active. When the folding seat rear stow switch is pressed, the scan tool will display the switch input to the rear seat module as Active.

Rear Vertical Sensor: The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat rear vertical position. High scan tool values (Volts or A/D) indicate that the seat rear vertical is in the up position and low values indicate that the seat rear vertical is in the down position.

Recline Motor (RSM): The scan tool displays Idle/Forward/Rearward. During folding seat operation the scan tool will display Forward or Rearward, this is the direction the rear seat module is commanding the recline motor to move the seat back.

Recline Sensor (MSM): The scan tool displays 0-5.0 Volts or 0-255 A/D. The sensor potentiometer provides an analog voltage which varies directly with the seat recline position. High scan tool values (Volts or A/D) indicate that the seat recline is in the forward position and low values indicate that the seat recline is in the rearward position.

Recline Sensor (RSM): The scan tool displays 0-3,000 Counts. The hall effect sensor provides a pulse signal with each rotation of the motor that the scan tool displays as counts. High scan tool count values indicate that the seat recline is in the forward position, while low count values indicate that the seat recline is in the rearward or stowed position.

Recline Switch: The scan tool displays Inactive/Active. When the folding seat recline switch is pressed, the scan tool will display the switch input to the rear seat module as Active.

Rotation Motor: The scan tool displays Idle/Forward/Rearward. During folding seat operation the scan tool will display Forward or Rearward, this is the direction the rear seat module is commanding the rotation motor to rotate the seat back.

Rotation Sensor: The scan tool displays 0-3,000 Counts. The hall effect sensor provides a pulse signal with each rotation of the motor that the scan tool displays as counts. High scan tool count values indicate that the rotation of the seat back is forward for the stowed position, while low count values indicate that the seat back rotation is rearward for the seated position.

Seat Forward - Input: The scan tool displays Inactive/Active. When the seat forward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Forward - Output: The scan tool displays Inactive/Active. When the seat forward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat horizontal motor in the forward direction.

Seat Front Down - Input: The scan tool displays Inactive/Active. When the seat front down switch is activated the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Front Down - Output: The scan tool displays Inactive/Active. When the seat front down switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat front vertical motor in the down direction.

Seat Front Up - Input: The scan tool displays Inactive/Active. When the seat front up switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Front Up - Output: The scan tool displays Inactive/Active. When the seat front up switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat front vertical motor in the up direction.

Seat Lumbar Forward: The scan tool displays Inactive/Active. When the lumbar forward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Lumbar Rearward: The scan tool displays Inactive/Active. When the lumbar rearward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Rear Down - Input: The scan tool displays Inactive/Active. When the seat rear down switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Rear Down - Output: The scan tool displays Inactive/Active. When the seat rear down switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat rear vertical motor in the down direction.

Seat Rear Up - Input: The scan tool displays Inactive/Active. When the seat rear up switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Rear Up - Output: The scan tool displays Inactive/Active. When the seat rear up switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat rear vertical motor in the up direction.

Seat Rearward - Input: The scan tool displays Inactive/Active. When the seat rearward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Rearward - Output: The scan tool displays Inactive/Active. When the seat rearward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat horizontal motor in the rearward direction.

Seat Recline Forward - Input: The scan tool displays Inactive/Active. When the seat recline forward switch is activated, the scan tool will momentarily display the switch input to the memory sear module as Active.

Seat Recline Forward - Output: The scan tool displays Inactive/Active. When the seat recline forward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat recline motor in the forward direction.

Seat Recline Rearward - Input: The scan tool displays Inactive/Active. When the seat recline rearward switch is activated, the scan tool will momentarily display the switch input to the memory seat module as Active.

Seat Recline Rearward - Output: The scan tool displays Inactive/Active. When the seat recline rearward switch is activated or when a memory recall occurs, the scan tool will display Active while the output from the memory seat module is commanding the seat recline motor in the rearward direction.

Year Module Built: The scan tool displays a 4 digit number. This number represents the year the module was built.