Scan Tool Data Definitions
IPC Scan Tool Data DefinitionsThe IPC Scan Tool Data Definitions contains a brief description of all IPC related parameters available on the scan tool.
8-Digit GM Part Number: The scan tool displays the GM 8-digit part number of the Instrument Panel Cluster (IPC).
Air Bag Lamp: The scan tool displays On/Off. The state of the air bag indicator as commanded by the IPC.
Antilock Discrete: The scan tool displays On/Off. When the discrete input is active to the IPC, the scan tool will display ON. When the discrete input is inactive, the scan tool displays OFF.
Antilock Lamp: The scan tool displays On/Off. The state of the ABS indicator as commanded by the EBCM.
Battery Voltage: The scan tool displays 0-25.5 volts. The voltage measured at the battery positive voltage circuit of the IPC.
Brake Lamp: The scan tool displays On/Off. The state of the Brake indicator as commanded by the IPC.
Check Gages Lamp: The scan tool displays On/Off. The state of the CHECK GAGES indicator in the HUD module.
Cruise Lamp: The scan tool displays On/Off. The state of the cruise indicator as commanded by the IPC.
Display Fuel Switch: The scan tool displays On/Off. The IPC monitors the Fuel Info switch of the DIC, where a closed switch is displayed as On.
Display Gauge Switch: The scan tool displays On/Off. The IPC monitors the Gauge Info switch of the DIC, where a closed switch is displayed as On.
Driver Door Ajar Sw: The scan tool displays On/Off. The state of the driver door ajar switch input detected by the DDM.
Driver Door Jamb Sw: The scan tool displays On/Off. The state of the driver door jamb switch input detected by the DDM (low input).
ECT Sensor: The scan tool displays -40 to +140°C (-40 to +284°F). The PCM monitors the voltage at the signal circuit of the engine coolant temperature sensor.
Engine Oil Level Switch: The scan tool displays OK/Low. The PCM monitors the signal circuit of the engine oil level switch, where an open switch is displayed as Low.
Engine Oil Life Remaining: The scan tool displays 0-100%. The PCM is responsible for calculating and sending the correct oil life data to the IPC.
Engine Oil Pressure Sen: The scan tool displays 0-19 V. The PCM monitors the signal circuit of the engine oil pressure switch.
Engine Speed: The scan tool displays 0-9999 RPM. The PCM is responsible for calculating correct engine speed data using the vehicle speed sensor input.
English/Metric Status: The scan tool displays English/Metric. The state of the units displayed on the IPC and the HUD as requested by the IPC.
English/Metric Sw: The scan tool displays Active/Inactive. The IPC monitors the Eng/Met button on the DIC switch, where a closed switch is displayed as Active.
Fasten Seat Belts: The scan tool displays On/Off. The state of the fasten safety belt indicator as commanded by the IPC.
Fuel Tank Level Remaining: The scan tool displays 0-100%. The PCM calculates the amount of fuel remaining in the tank based on the signal circuit from the fuel level sensor.
High Beam Lamp: The scan tool displays On/Off. The state of the high beam indicator as commanded by the IPC.
High Beam Switch: The scan tool displays On/Off. The state of the high beam switch as detected by the head up display (HUD).
Hot Temp Lamp: The scan tool displays On/Off. The state of the hot coolant temperature indicator as commanded by the IPC.
Ignition 1: The scan tool displays On/Off. This indicates whether or not there is ignition 1 voltage at the IPC.
Ignition 3: The scan tool displays On/Off. This indicates whether or not there is ignition 3 voltage at the IPC.
Ignition Counter: The scan tool displays 0-50. The IPC counts the number of times the ignition is cycled.
Ignition Voltage: The scan tool displays 0-25.5 volts. The voltage measured when the ignition is turned on at the HUD.
Key In Ignition: The scan tool displays Yes/No. The instrument panel module (IPM) monitors the ignition key alarm switch, where a closed switch is displayed as Yes (key in ignition).
km/h Lamp: The scan tool displays On/Off. The state of the km/h indicator as commanded by the IPC.
Left Rear Door Ajar Sw: The scan tool displays On/Off. The state of the left rear door ajar switch.
Left Rear Door Jamb Sw: The scan tool displays On/Off. The state of the left rear door jamb switch.
Low Brake Fluid Lamp: The scan tool displays On/Off. The IPC monitors the brake fluid level indicator switch, where a closed switch is displayed as On.
Low Coolant Level Lamp: The scan tool displays On/Off. The state of the low coolant level indicator as commanded by the IPC.
Low Fuel Lamp: The scan tool displays On/Off. The state of the low fuel indicator as commanded by the IPC.
Lt Turning Signal Sw: The scan tool displays On/Off. The IPC monitors the left turn signal supply voltage circuit, where an active turn signal toggles between On and Off.
MPH Lamp: The scan tool displays On/Off. The state of the MPH indicator as commanded by the IPC.
Odo/Trip Switch: The scan tool displays On/Off. The IPC monitors the odo/trip switch, where a closed switch is displayed as On.
Oil Pressure Lamp: The scan tool displays On/Off. The state of the oil pressure indicator as commanded by the IPC.
Outside Status: The scan tool displays Day/Night. The time of day as determined via the ambient light sensor.
Park Brake Switch: The scan tool displays On/Off. The IPC monitors the park brake switch, where a closed switch is displayed as On.
Passenger Door Ajar Sw: The scan tool displays On/Off. The state of the passenger door ajar switch.
Passenger Door Jamb Sw: The scan tool displays On/Off. The state of the passenger door ajar switch input.
Prom ID: The scan tool displays the 4-digit number that identifies the modules PROM.
Reset Switch: The scan tool displays On/Off. The IPC monitors the RESET switch of the DIC, where a closed switch is displayed as On.
Right Rear Door Ajar Sw: The scan tool displays On/Off. The state of the right rear door ajar switch.
Right Rear Door Jamb Sw: The scan tool displays On/Off. The state of the right rear door jamb switch.
Rt Turning Signal Sw: The scan tool displays On/Off. The IPC monitors the right turn signal supply voltage circuit, where an active turn signal toggles between On and Off.
Serial Number: The scan tool displays the 4-digit serial number.
Service Veh Soon Lamp: The scan tool displays On/Off. The state of the SERVICE VEHICLE SOON indicator as commanded by the IPC.
Theft System Lamp: The scan tool displays On/Off. The state of the SECURITY indicator as commanded by the IPC.
Traction Off Lamp: The scan tool displays On/Off. The state of the TRACTION OFF indicator as commanded by the IPC.
Trip Reset Switch: The scan tool displays On/Off. The IPC monitors the trip reset button of the DIC switch, where a closed switch is displayed as On.
Vehicle Speed: The scan tool displays 0-255 km/h (0-159 mph). The IPC obtains vehicle speed data from the PCM on a dedicated input. The PCM is responsible for calculating correct vehicle speed data.
VF Dim: The scan tool displays 0-19 volts. The HUD monitors the VF dimming signal circuit of the HUD switch.
Volt Lamp: The scan tool displays On/Off. The state of the Battery indicator as commanded by the IPC.
Washer Fluid Level: The scan tool displays On/Off. The IPC monitors the windshield washer fluid level switch, where a closed switch is displayed as On.
Year Module Built: The scan tool displays the 4-digit number which corresponds to the year that module was manufactured.