8-Digit GM Part Number: The scan tool displays the part number for the control module.

ABS Input: The scan tool displays Off or On. The status of the discrete back-up ABS indicator signal. The instrument cluster uses this input to determine illumination of the ABS indicator when the instrument cluster loses communication with the electronic brake control module (EBCM).

Battery Volts: The scan tool displays 0 to 255 volts. The battery voltage level at the instrument cluster.

Brake Fluid Level: The scan tool displays OK or Low. The IPC monitors the brake fluid level switch signal circuit. A closed switch is displayed as Low.

Calibration ID: The scan tool displays the calibration ID for the control module.

Chime: The scan tool displays On or Off. Indicates the commanded state of the chime requested by the amplifier.

Component Serial #8-11: The scan tool displays digits 8 to 11 of the component serial number of the control module.

Component Serial #12: The scan tool displays digit 12 of the component serial number of the control module.

Component Serial #13-16: The scan tool displays digits 13 to 16 of the component serial number of the control module.

Component Serial #17-18: The scan tool displays digits 17 to 18 of the component serial number of the control module.

Display Mode Switch: The scan tool displays Off or On. The IPC monitors the signal circuit of the mode button. A closed switch is displayed as On.

Display Trip Reset Sw.: The scan tool displays Off or On. The IPC monitors the signal circuit of the trip reset button. A closed switch is displayed as On.

ECT: The scan tool displays -40 to +215°C (-40 to +419°F). The PCM monitors the ECT sensor signal circuit.

Engine Oil Level: The scan tool displays OK or Low. The PCM monitors the signal circuit of the engine oil level switch. A closed switch is displayed as OK.

Engine Oil Pressure Switch: The scan tool displays OK or Low. The PCM monitors the signal circuit of the engine oil pressure switch. A closed switch is displayed as Low.

Engine Speed: The scan tool displays 0 to 7000 RPM. The IPC monitors the engine speed signal circuit from the PCM.

Engine Speed: The scan tool displays 0 to 10000 RPM. The PCM calculates engine speed from ignition reference pulses. The engine speed should remain close to desired idle under various engine loads with engine idling.

English/Metric Sw.: The scan tool displays Off or On. The IPC monitors the signal circuit of the ENG/MET button. A closed switch is displayed as On.

Fluorescent Light: The scan tool displays 0 to 100%. The fluorescent light level of the instrument cluster.

Fuel Level: The scan tool displays 0 to 70 L (0 to 18.5 gal). The PCM monitors the fuel level sensor in order to determine the fuel level.

Fuel Level Sensor: The scan tool displays 0 to 5 Volts. The PCM monitors the signal circuit of the fuel level sensor. Low fuel is displayed as low voltage.

Ignition 1: The scan tool displays Off or On. The IPC monitors the ignition 1 voltage circuit.

IMS: The scan tool displays PARK, REVERSE, NEUTRAL, DRIVE 4, DRIVE 3, DRIVE 2, DRIVE 1, or INVALID. If a valid combination of inputs is not received by the PCM, INVALID will be displayed. This display is the decoded status of the four A/B/C/P inputs from the automatic transmission internal mode switch.

Info. Reset Switch: The scan tool displays Off or On. The IPC monitors the signal circuit of the reset button. A closed switch is displayed as On.

Information Down Switch: The scan tool displays Off or On. The IPC monitors the signal circuit of the information down button. A closed switch is displayed as On.

Information Up Switch: The scan tool displays Off or On. The IPC monitors the signal circuit of the information up button. A closed switch is displayed as On.

Julian Date of Build: The scan tool displays year and day. The first digit indicates the last digit of the year that the control module was built. The remaining 3 digits indicate the day of the year that the control module was built.

Key In Ignition: The scan tool displays Yes or No. The IPM monitors the key-in-ignition switch signal circuit. When the key is in the ignition, Yes is displayed.

Left Turn Signal: The scan tool displays Off or On. The IPC monitors the left turn signal circuit. A closed switch is displayed as On.

Low Coolant Level: The scan tool displays OK or Low. The IPC monitors the signal circuit of the coolant level switch. Low coolant level, or a closed switch, is displayed as Low.

On/Off Switch: The scan tool displays Off or On. The IPC monitors the signal circuit of the on/off button. A closed switch is displayed as On.

Park Brake Switch: The scan tool displays Off or On. The IPC monitors the signal circuit of the park brake switch. An applied park brake, or closed switch, is displayed as On.

PROM ID: The scan tool displays the PROM ID for the control module.

Reflective Display: The scan tool displays Off or On. The status of the reflective display on the instrument cluster.

Right Turn Signal: The scan tool displays Off or On. The IPC monitors the right turn signal circuit. A closed switch is displayed as On.

Trip Odometer A/B Switch: The scan tool displays Off or On. The IPC monitors the signal circuit of the trip odometer A/B button. A closed switch is displayed as On.

Vehicle Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The current vehicle speed reported to the instrument cluster by the powertrain control module (PCM) via the discrete vehicle speed signal (VSS). The value should match the speedometer display.

Vehicle Speed: The scan tool displays 0 to 255 km/h (0 to 159 mph). The PCM monitors the vehicle speed signal circuit.

VF Dim: The scan tool displays percentage. The vacuum fluorescent (VF) display dimming level of the instrument cluster.

Washer Fluid Level: The scan tool displays OK or Low. The IPC monitors the signal circuit of the washer fluid level switch. A closed switch is displayed as Low.

Year Module Built: The scan tool displays the year that the control module was built.