8 Digit GM Part Number:  The scan tool displays the GM 8 - digit part number of the IPC.

Air Bag Lamp:  The scan tool displays On or Off. This is the state of the air bag indicator as commanded by the IPC.

Antilock Brake:  The scan tool displays On or Off. This is the state of the ABS indicator as commanded by the IPC.

Battery Lamp:  The scan tool displays On or Off. This is the state of the charging system indicator as commanded by the IPC.

Battery Voltage:  The scan tool displays 0-19 volts. This is the voltage at the battery positive voltage circuit of the IPC.

Battery Voltage:  The scan tool displays 0-19 volts. This is the voltage at the battery positive voltage circuit of the PCM.

Battery Voltage:  The scan tool displays 0 - 19 volts. This is the voltage at the battery positive voltage circuit of the radio.

Brake Lamp:  The scan tool displays On or Off. The state of the brake indicator as commanded by the IPC.

Change Engine Oil:  The scan tool displays On or Off. The state of the change engine oil indicator as commanded by the IPC.

Check Eng. Oil Level:  The scan tool displays On or Off. The state of the check engine oil level indicator as commanded by the IPC.

Check Gages Lamp:  The scan tool displays On or Off. This is the state of the check gages indicator as commanded by the IPC.

Check Trans. Lamp:  The scan tool displays On or Off. This is the state of the check transmission indicator as commanded by the TCM.

Chime:  The scan tool displays On or Off. This is the state of the chime warning as commanded by the chime module

Chime Type:  The scan tool displays Fast/Medium/Medium Slow/Slow/Off. This is the radio chime type as requested by the IPC.

Coolant Level Switch:  The scan tool displays Ok or Low. The PCM monitors the coolant level switch signal circuit, and a closed switch is displayed as Ok.

Crank Voltage:  The scan tool displays 0 - 19 volts. This is the ignition crank voltage as measured by the IPC.

Displayed Battery Voltage:  The scan tool displays 0 - 19 volts. This is the displayed battery volt gage data as received by the IPC.

Displayed Coolant Temp.:  The scan tool displays -40 to +151°C (-40 to +304°F). This is the displayed engine coolant temperature gage data. This data may differ from the engine coolant temperature from the PCM.

Displayed Oil Pressure:  The scan tool displays 0 - 550 kPa (0 - 80 psi). This is the displayed engine oil pressure gage data. This data may differ from the engine oil pressure from the PCM.

Displayed Fuel Level:  The scan tool displays 0 - 100%. This is the displayed fuel gage data. This data may differ from the fuel level from the PCM.

Displayed Odometer:  The scan tool displays 0 - 999999 kilometers (miles). The scan tool displays the data on the odometer in the IPC.

Displayed Trip Odometer:  The scan tool displays 0 - 9999.9 kilometers (miles). The scan tool displays the data on the trip odometer in the IPC.

ECT Sensor:  The scan tool displays -40 to +115°C (-40 to +304°F). The PCM monitors the voltage at the signal circuit of the engine coolant temperature sensor. The voltage is inversely proportional to the engine coolant temperature.

Engine Oil Level Switch:  The scan tool displays Ok or Low. The PCM monitors the signal circuit of the engine oil level switch. An open switch is displayed as Low.

Engine Oil Life Remaining:  The scan tool displays 0-100 percent. The PCM calculates the remaining engine oil life.

Engine Oil Pressure Sensor:  The scan tool displays 0-5 volts. The PCM monitors the signal circuit of the engine oil pressure sensor. A high sensor voltage indicates a high engine oil pressure and a low sensor voltage indicates a low engine oil pressure.

Engine Shutdown Indicator:  The scan tool displays On or Off. This is the state of the engine shutdown indicator as commanded by the IPC.

Engine Speed:  The scan tool displays 0-9999 RPM. The IPC receives the engine speed from the PCM via the engine speed signal circuit.

Engine Speed:  The scan tool displays 0-9999 RPM. The PCM computes the engine speed. It should remain close to desired idle under various engine loads with the engine idling.

Fasten Seat Belts:  The scan tool displays On or Off. The state of the fasten safety belt indicator as commanded by the IPC.

Fuel Level Sensor:  The scan tool displays 0 - 100 percent. The ECM monitors the signal circuit of the fuel level sensor in order to determine the fuel level. A low fuel level sensor resistance will indicate a low fuel level percent.

Fuel Level Sensor:  The scan tool displays 0 - 5 volts. The PCM monitors the signal circuit of the fuel level sensor. The scan tool displays a low fuel level as low fuel level sensor voltage.

Fuel Level Sensor Rear:  The scan tool displays 0 - 5 volts. The PCM monitors the signal circuit of the secondary fuel level sensor. The scan tool displays a low fuel level as low fuel level sensor voltage.

Fuel Level Sensor Rear:  The scan tool displays 0 - 5 volts. The ECM monitors the signal circuit of the secondary fuel level sensor. The scan tool displays a low fuel level as low fuel level sensor voltage.

Fuel Tank Level Remaining:  The scan tool displays 0-100 percent. The PCM monitors the signal circuit of the fuel level sensor in order to determine the level of fuel remaining in the fuel tank.

Fuel Tank Level Remaining:  The scan tool displays Gallons (liters). The PCM monitors the signal circuit of the fuel level sensor in order to determine the level of fuel remaining in the fuel tank.

Fuel Tank Rated Capacity:  The scan tool displays gallons (liters). This is the fuel tank rated capacity as stored in the PCM.

Glow Plug Relay:  The scan tool displays On or Off. This is the state of the glow plug relay as commanded by the ECM.

Ignition 0:  The scan tool displays 0-19 volts. This is the voltage measured at the ignition 0 voltage circuit of the IPC.

Ignition 1:  The scan tool displays 0-19 volts. This is the voltage measured at the ignition 1 voltage circuit of the IPC.

Ignition 1 Signal:  The scan tool displays 0-19 volts. The voltage measured at the ignition 1 voltage circuit of the PCM.

Ign. Since Current DTC:  The scan tool displays 0-50. The IPC counts the number of times the ignition is cycled from the last DTC.

Ign. Since Current DTC:  The scan tool displays 0 - 50. The chime module counts the number of times the ignition is cycled from the last DTC.

Julian Date of Build:  The scan tool displays the 3 digit build date of the IPC.

Last 4 Dig of GM Part #:  The scan tool displays the last 4 digits of the GM part number of the IPC.

Low Coolant:  The scan tool displays On or Off. This is the state of the low coolant indicator as commanded by the IPC.

Low Coolant Level:  The scan tool displays Yes or No. This is the state of the coolant level as monitored by the PCM.

Low Oil Lamp Command:  The scan tool displays On or Off. This is the state of the low oil level indicator as command by the PCM.

MIL Command:  The scan tool displays On or Off. this is the state of the MIL indicator as commanded by the PCM.

Monitored Coolant Temp.:  The scan tool displays -40 to +151°C (-40 to +304°F). This is the PCM monitored engine coolant temperature data as provided to the IPC via the class 2 serial data link.

Monitored Fuel Level:  The scan tool displays 0 - 100%. This is the PCM monitored fuel level percent provided to the IPC via the class 2 serial data link.

Monitored Oil Pressure:  The scan tool displays 0 - 550 kPa (0 - 80 psi). This is the PCM monitored engine oil pressure data as provided to the IPC via the class 2 serial data link.

Overspeed Lamp:  The scan tool displays On or Off. This is the state of the overspeed indicator as commanded by the IPC.

PRNDL State:  The scan tool displays the PRNDL position of the vehicle. This is the state of the PRNDL display as commanded by the IPC.

Reduced Engine Power:  The scan tool displays On or Off. This is the state of the reduced engine power indicator as commanded by the IPC.

Reduced Engine Power:  The scan tool displays Yes or No. The scan tool will display Yes when the PCM receives a signal from the TAC module that a throttle actuator control system malfunction is occurring.

Trip Reset Switch:  The scan tool displays Active or Inactive. The IPC monitors the trip reset switch. A closed switch is displayed as Active.

Vehicle Speed:  The scan tool displays 0-255 km/h (0-155 mph). The IPC monitors the vehicle speed signal circuit from the PCM.

Vehicle Speed Sensor:  The scan tool displays 0-255 km/h (0-155 mph). The PCM monitors the signal circuit of the vehicle speed sensor.

Wait to Start:  The scan tool displays On or Off. This is the state of the wait to start indicator as commanded by the PCM.

Water in Fuel:  The scan tool displays On or Off. This is the state of the water in fuel indicator as commanded by the IPC.

Year Module Built:  The scan tool displays the 4 digit number which corresponds to the year that the IPC was manufactured.