IPC Scan Tool Data Definitions

The 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 eight digit part number of the instrument panel Cluster (IPC).

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

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

Ambient Light Sensor : The scan tool displays 0-255 counts. The counts varies based upon the ambient light level at the sensor. When light levels are high, counts increase. When light levels are low, counts decrease. The IPC uses this information for interior light dimming operation.

Average Speed : The scan tool displays 0-255 km/h (0-159 mph). The IPC calculates the average speed the vehicle has travelled per hour of ignition on time.

Avg. Fuel Economy : The scan tool displays 0-99.9 L/100 km (0-99.9 mpg). The IPC obtains fuel consumption data from the PCM on the serial data line. The IPC calculates the fuel economy based upon fuel consumption and vehicle speed data received from the PCM.

Battery Volts: The scan tool displays 0-25.5 volts. The voltage at the battery voltage circuit of the BCM.

Brake Fluid Level : The scan tool displays Ok or Low.The IPC monitors the signal circuit of the brake fluid level switch. When the brake fluid level is low, the scan tool will display Low. When the brake fluid level is full, the scan tool displays Ok.

Brake Lamp : The scan tool displays On or Off. When the BRAKE indicator is On, the scan tool will display On. When the BRAKE indicator is Off, the scan tool displays OFF. The IPC monitors signal circuit of the park brake switch.

Check Engine Lamp State : The scan tool displays On or Off. The state of the check engine indicator as commanded by the IPC.

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

Chime : The scan tool displays On or Off. When the chime is On, the scan tool will display On. When the chime is Off, the scan tool displays Off.

Circuit Board Day : The scan tool displays the day the IPC circuit board was manufactured.

Circuit Board Month : The scan tool displays the month the IPC circuit board was manufactured.

Circuit Board Year : The scan tool displays the year the IPC circuit board was manufactured.

Cluster Manufacture Day : The scan tool displays the day the IPC was manufactured.

Cluster Manufacture Month : The scan tool displays the month the IPC was manufactured.

Cluster Manufacture Year : The scan tool displays the year the IPC was manufactured.

Coolant Level Input : The scan tool displays Ok or Low. When the coolant level is low, the scan tool will display Low.The IPC monitors the signal circuit of coolant level switch.When the coolant level is full, the scan tool displays Ok.

Courtesy Switch : The scan tool displays Active or Inactive. When the courtesy light switch is On, the scan tool will display Active. The IPC monitors the signal circuit of the courtesy switch. When the courtesy light switch is Off, the scan tool displays Inactive.

Cruise Control Set Speed : The scan tool displays 0-255 km/h (0-159 mph). The IPC obtains cruse control set speed data from the PCM on the serial data line.

DIC Switch 1 : The scan tool displays Active or Inactive. The IPC monitors the signal circuit of the FUEL button of the DIC switch. A closed switch is displayed as Active.

DIC Switch 2 : The scan tool displays Active or Inactive. The IPC monitors the signal circuit of the GAGES button of the DIC switch. A closed switch is displayed as Active

DIC Switch 3 : The scan tool displays Active or Inactive. The IPC monitors the signal circuit of the TRIP button of the DIC switch. A closed switch is displayed as Active.

DIC Switch 4 : The scan tool displays Active or Inactive. The IPC monitors the signal circuit of the OPTIONS button of the DIC switch. A closed switch is displayed as Active

DIC Switch 5 : The scan tool displays Active or Inactive. The IPC monitors the signal circuit of the E/M button of the DIC switch. A closed switch is displayed as Active

Driver Door Ajar Switch: The scan tool displays Open/Closed. The BCM monitors the signal circuit of the driver door ajar switch. A closed switch is displayed as open.

ECT: The scan tool displays -40°C (-40°F) to 140°C (284°F). The state of the engine coolant temperature detected by the PCM.

Elapse Time (Hours) : The scan tool displays 00-23 Hours. The IPC starts to calculates elapse time when elapse time is displayed on the DIC and the RESET button is pressed on the DIC switch.

Elapse Time (Minutes) : The scan tool displays 00-59 Minutes. The IPC starts to calculates elapse time when elapse time is displayed on the DIC and the RESET button is pressed on the DIC switch.

Elapse Time (Seconds) : The scan tool displays 00-59 Seconds. The IPC starts to calculates elapse time when elapse time is displayed on the DIC and the RESET button is pressed on the DIC switch.

Engine Coolant Temp : The scan tool displays -40 to +215° C (-40 to +419° F). The IPC obtains coolant temperature data from the PCM on the serial data line.

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

Engine Oil Life Remaining : The scan tool displays 0-100%. The IPC obtains this information from the PCM on the serial data line.

Engine Oil Pressure Sensor: The scan tool displays 0-145 kPa. The PCM monitors the signal circuit of the engine oil pressure switch.

Engine Oil Pressure Sensor: The scan tool displays 0-5.0 V. The PCM monitors the signal circuit of the engine oil pressure switch.

Engine Speed: The scan tool displays 0-8,000 RPM. The PCM is responsible for calculating correct engine speed data.

Fuel Range : The scan tool displays 0-999 km (0-624 mi). The IPC obtains fuel consumption data from the PCM on the serial data line. The IPC calculates the fuel range based upon fuel consumption and fuel level data received from the PCM.

Fuel Remaining : The scan tool displays 0-72.3 L (0-19.3 gal). The IPC obtains fuel gage data from the PCM on the serial data line.

Fuel Tank Level Remaining: The scan tool displays 0-100%. The PCM calculates the amount of fuel remaining in the tank based on the input from the fuel level sensor.

Hatch/Trunk Ajar: The scan tool displays Open/Closed. The BCM monitors the signal circuit of the hatch ajar switch. A closed switch is displayed as open.

Hatch/Trunk Release Switch: The scan tool displays Active/Inactive. The BCM monitors the signal circuit of the hatch release switch. A closed switch is displayed as Active.

Headlamp Off Switch: The scan tool displays Active/Inactive.The BCM monitors the signal circuit of the headlamp switch. When the headlamps are On, the scan tool will display Inactive. When the headlamps are Off, the scan tool displays Active.

Head Lamp State: The scan tool displays On or Off. The BCM monitors the signal circuit of the headlamp switch. When the headlamps are ON, the scan tool will display On. When the headlamps are Off, the scan tool displays Off.

High Beam Lamp : The scan tool displays On or Off. When the high beam lamps are On, the scan tool will display On. When the high beam lamps are Off, the scan tool displays Off.

Ignition 1 : The scan tool displays 8-18 volts. The IPC obtains this information from battery voltage measured at the IPC.

Inst. Fuel Economy : The scan tool displays 0-99.9 L/100 km (0-99.9 mpg). The IPC obtains fuel consumption data from the PCM on the serial data line. The IPC calculates the fuel range based upon fuel consumption and vehicle speed data received from the PCM.

Key In Ignition: The scan tool displays Active/Inactive.The BCM monitors the signal circuit of the ignition key alarm switch. When the key is in the ignition switch, the scan tool will display Active. When the key is out of the ignition switch, the scan tool displays Inactive.

Key Out of IGN: The scan tool displays Active/Inactive.The BCM monitors the signal circuit of the ignition key alarm switch. When the key is in the ignition switch, the scan tool will display Inactive. When the key is out of the ignition switch, the scan tool displays Active.

KM/H Lamp : The scan tool displays On or Off. When the KM/H indicator is On, the scan tool will display On. When the KM/H indicator is Off, the scan tool displays Off.

Left Turn Signal : The scan tool displays On or Off. The IPC monitors the turn signal switch. When the left turn signal is On, the scan tool will display On. When the left turn signal is Off, the scan tool displays Off.

LF Tire Pressure : The scan tool displays 0-1020 kPa (0-148 psi). The IPC obtains LF tire pressure data from the TPM system on the serial data line. The IPC will display a default value of 0 kPa (0 psi) until LF tire pressure data is received from the TPM system.

Low Oil Level: The scan tool displays Yes/No. The PCM monitors the signal circuit of the engine oil level switch, where an open switch is displayed as Yes (low engine oil level).

Low Trac. Lamp : The scan tool displays On or Off. When the Traction indicator is On, the scan tool will display On. When the Traction indicator is Off, the scan tool displays Off. This indicator is illuminated when the IPC receives a message request from the ABS system on the serial data line.

LR Tire Pressure : The scan tool displays 0-1020 kPa (0-148 psi). The IPC obtains LR tire pressure data from the TPM system on the serial data line. The IPC will display a default value of 0 kPa (0 psi) until LR tire pressure data is received from the TPM system.

MPH Lamp : The scan tool displays On or Off. When the MPH indicator is On, the scan tool will display On. When the MPH indicator is Off, the scan tool displays Off.

Odometer : The scan tool displays 0-999 999 km (0-624,999 mi). The IPC calculates trip odometer information from vehicle speed data received from the PCM.

Oil Pressure : The scan tool displays 0-550 kPa (0-80 psi). The IPC obtains oil pressure data from the PCM on the serial data line.

Oil Temp : The scan tool displays -40 to +215°C (-40 to +419°F). The IPC obtains oil temperature data directly from the oil temperature sensor. The IPC is responsible for calculating correct oil temperature data.

Park Brake Switch : The scan tool displays Active or Inactive.The IPC monitors signal circuit of the park brake switch. When the park brake is applied, the scan tool will display Active. When the park brake is released, the scan tool displays Inactive.

Park Lamp Input : The scan tool displays Active or Inactive.The ipc monitors the signal circuit of the park lamp switch. When the park lamps are On, the scan tool will display Active. When the park lamps are Off, the scan tool displays Inactive.

Passenger Door Ajar Switch: The scan tool displays Open/Closed. The BCM monitors the signal circuit of the passenger door ajar switch.A closed switch is displayed as open.

PASSKey State: The scan tool displays which state the PASSKey is in.

Reset Switch : The scan tool displays Active or Inactive. The IPC monitors the signal circuit of the Reset button of the DIC switch A closed switch is displayed as Active.

RF Tire Pressure : The scan tool displays 0-1020 kPa (0-148 psi). The IPC obtains RF tire pressure data from the TPM system on the serial data line. The IPC will display a default value of 0 kPa (0 psi) until RF tire pressure data is received from the TPM system.

Right Turn Signal : The scan tool displays On or Off.The IPC monitors the turn signal switch. When the right turn signal is On, the scan tool will display On. When the right turn signal is Off, the scan tool displays Off.

ROM ID : The scan tool displays the ROM ID number for the IPC.

RPM : The scan tool displays 0-8,000 RPM. The IPC obtains engine speed data from the PCM on a dedicated input and the serial data line.

RR Tire Pressure : The scan tool displays 0-1020 kPa (0-148 psi). The IPC obtains RR tire pressure data from the TPM system on the serial data line. The IPC will display a default value of 0 kPa (0 psi) until RR tire pressure data is received from the TPM system.

Seat Belt Sensor : The scan tool displays Buckled or Unbuckled. When the seat belts are fastened, the scan tool will display Buckled. When the seat belts are unfastened, the scan tool displays Unbuckled.

Security Lamp Status : The scan tool displays On or Off. The state of the security indicator as commanded by the IPC.

Switch Dimming : The scan tool displays 0-255 counts. The switch dimming counts vary based upon the dimming switch position and ambient light level information. When the dimming switch is rotated to bright, the switch dimming counts will increase. When the dimming switch is rotated to dim, the switch dimming counts will decrease. The headlamps or parklamps must be ON to read this data.

Theft Deterrent State: The scan tool displays Active/Inactive. When the theft deterrent system is OFF, the scan tool will display Inactive. When the theft deterrent system is ON, the scan tool displays Active.

Trans Fluid Temp : The scan tool displays -40 to +215°C (-40 to +419°F). The IPC obtains trans fluid temperature data from the PCM on the serial data line. The PCM is responsible for calculating and sending the correct trans fluid data to the IPC.

Trip Odometer A : The scan tool displays 0-99 999 km (0-62,499 mi). The IPC calculates trip odometer information from vehicle speed data received from the PCM on a dedicated input and the serial data line.

Trip Odometer B : The scan tool displays 0-99 999 km (0-62,499 mi). The IPC calculates trip odometer information from vehicle speed data received from the PCM on a dedicated input and the serial data line.

Vehicle Speed : The scan tool displays 0-255 km/h (0-159 mph). The IPC obtains vehicle speed data from the PCM.

Washer Fluid Sensor : The scan tool displays Ok or Low. The IPC monitors the signal circuit of the washer fluid sensor. When the washer fluid level is low, the scan tool will display Low. When the washer fluid level is full, the scan tool displays Ok.