GM Service Manual Online
For 1990-2009 cars only

Sensing and Diagnostic Module Scan Tool Data Parameters

Parameter

Operating Conditions

Expected Value

Definition

Operating Conditions: Ignition ON

Automatic Occupant Sensing Current Front Occupancy Status

--

Empty

The scan tool displays Unknown, Empty, Occupied, or Reserved. This is the state of the passenger seat if it is occupied or empty and monitored by the passenger presence system.

Automatic Occupant Sensing Fault Status

--

No Fault

The scan tool displays No Fault, Fault Present, or Vehicle Mismatch. This is the internal status of the passenger presence system monitored by the SDM

Automatic Occupant Sensing System Enabled

--

Enabled

The scan tool displays if the passenger presence system is enabled

Automatic Occupant Sensing System Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the passenger presence is properly programmed.

Base Model Part Number

--

Varies

The scan tool displays the part number of the SDM which is stored in non volatile memory.

Driver Seat Belt Sensor Enabled

--

Enabled

The scan tool displays if the seat belt sensor in the seat belt buckle is enabled

Driver Seat Belt Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the driver seat belt sensor.

Driver Seat Position Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the driver seat position sensor.

Driver Seat Forward Position Switch Status

--

Varies

The scan tool displays Forward or Rearward. This parameter indicates the position of the driver seat.

Driver Seat Position Sensor Enabled

--

Enabled

The scan tool displays if the seat position sensor of the driver seat is enabled

End Model Part Number

--

Varies

The scan tool displays the end model part number. The primary key is the last four digits of the end model number. The end model number is unique to each calibration/configuration and it is stored in non volatile memory of the SDM

Fasten Driver Seat Belt Indicator Status

--

Off

The scan tool displays if the seat belt indicator is illuminated. The Indicator will illuminate initially if the seat belt is not buckled

Front Passenger Classification

--

Empty

The scan tool displays Unknown, Empty, Child, Small Adult, or Large Adult. This is the state of what occupies the passenger seat, as monitored by the passenger presence system.

Front Row Driver Seat Belt Attached Status

--

Unbuckled

The scan tool displays Buckled or Unbuckled. This is the state of the driver seat belt switch in the driver seat belt buckle.

Front Row Passenger Seat Belt Attached Status

--

Unbuckled

The scan tool displays Buckled or Unbuckled. This is the state of the passenger seat belt switch in the passenger seat belt buckle.

ESS 1-8 Enabled

--

Enabled

The scan tool displays Enabled or Disabled. This is the state of the sensor.

ESS 1-8 Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM has the sensor programmed.

ESS 1-8 Type

--

Varies

The scan tool displays Not Used, Front Sensor LF, Front Sensor Center, Front Sensor RF, Side Impact Sensor Left Row 1, Side Impact Sensor Right Row 1, Side Impact Sensor Left Row 2 or Side Impact Sensor Right Row 2. This is the type of SIR sensor.

Loop 1-18 Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the inflator module where it is capable of deploying when it is enabled.

Loop 1-18 Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM has the number loop programmed with the present connected inflator module.

Loop 1-18 Resistance

--

Varies

The scan tool displays the resistance of the loop with the inflator module connected.

Loop 1-18 Type

--

Varies

The scan tool displays Not Used, LF Stage 1, RF Stage 1, LF Stage 2, RF Stage 2, LF Pretensioner, RF Pretensioner, LF Side Bag, RF Side Bag, Lt. Roof Stage 1, Rt. Roof Stage 1, Lt. Roof Stage 2, Rt. Roof Stage 2, Lt. Roof Stage 3 or Rt. Roof Stage 3. This is the type of loop.

Occupant Protection System Warning Indicator Status

--

Off

The scan tool displays if the passenger presence system warning indicator is illuminated. The Indicator will illuminate depending if a child or an adult is sitting in the passenger seat.

Passenger Airbag Disabled

--

Disabled

The scan tool indicates if the passenger airbag is disabled.

Passenger Airbag Off Indicator Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the passenger airbag off indicator where when it is enabled it is illuminated.

Passenger Airbag Off Indicator Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM has the airbag off indicator programmed.

Passenger Airbag On Indicator Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM has the airbag on indicator programmed.

Passenger Airbag Deactivation Status

--

Active

The scan tool displays if the passenger airbag is deactivated. The airbag will be deactivated if a child or child seat is present in the passenger seat.

Passenger Airbag Manual Disable Status

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the passenger airbag where the airbag can be disabled manually.

Passenger Airbag On Indicator Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the passenger airbag on indicator where when it is enabled it is illuminated.

Passenger Airbag On Indicator Status

--

Off

The scan tool displays if the passenger air bag on indicator is illuminated. The Indicator will illuminate depending if a child or an adult is sitting in the passenger seat.

Passenger Seat Belt Reminder Indicator Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the passenger seat belt reminder indicator where when it is enabled it is illuminated.

Passenger Seat Belt Reminder Indicator Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM has the passenger seat belt indicator programmed.

Passenger Seat Belt Reminder Sensor Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the passenger seat belt reminder sensor

Passenger Seat Belt Reminder Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the passenger seat belt reminder sensor.

Passenger Seat Belt Sensor Enabled

--

Enabled

The scan tool displays if the seat belt sensor in the seat belt buckle is enabled

Passenger Seat Belt Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the passenger seat belt sensor.

Passenger Seat Forward Position Switch Status

--

Varies

The scan tool displays Forward or Rearward. This parameter indicates the position of the driver seat.

Passenger Seat Position Enabled

--

Enabled

The scan tool displays if the seat position sensor of the driver seat is enabled

Passenger Seat Position Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the passenger seat position sensor.

Row 2 Left Passenger Seat Belt Status

--

Unbuckled

The scan tool displays Buckled or Unbuckled. The scan tool displays if the left rear seat belt sensor in the left rear seat belt is buckled or unbuckled.

Row 2 Middle Passenger Seat Belt Status

--

Unbuckled

The scan tool displays Buckled or Unbuckled. The scan tool displays if the middle rear seat belt sensor in the left middle seat belt is buckled or unbuckled.

Row 2 Right Passenger Seat Belt Status

--

Unbuckled

The scan tool displays Buckled or Unbuckled. The scan tool displays if the right rear seat belt sensor in the right seat belt is buckled or unbuckled.

SDM Primary Key

--

Varies

The scan tool displays the primary key that the SDM has stored to memory.

Second Row Left Seat Belt Sensor Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the left rear passenger seat belt sensor

Second Row Middle Seat Belt Sensor Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the left middle passenger seat belt sensor

Second Row Right Seat Belt Sensor Enabled

--

Enabled

The scan tool displays Enabled or Disabled This is the status of the right rear passenger seat belt sensor

Second Row Left Seat Belt Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the left rear passenger seat belt sensor.

Second Row Middle Seat Belt Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the middle rear passenger seat belt sensor.

Second Row Right Seat Belt Sensor Learned

--

Learned

The scan tool displays Learned or Unlearned. Learned is displayed if the SDM is properly programmed for the right rear passenger seat belt sensor.

System Power Mode

--

Accessory

The scan tool displays Off, Accessory, Run or Crank Request. This is the state of the ignition switch.

Vehicle Identification Number

--

Varies

The VIN number of the vehicle programmed into the SDM.