Scan Tool Data Definitions

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

AM Lamp: The scan tool displays On/Off. The state of the AM indicator as reported by the radio.

Antilock Brake: The scan tool displays On/Off. The state of the ABS indicator as requested by the electronic brake control module (EBCM).

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

Battery Lamp (DIC W/Boost): The scan tool displays On/Off. The state of the charging system indicator as commanded by the IPC.

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

Boost: The scan tool displays 10-105 kPa (1-15 psi). The manifold absolute pressure (MAP) as determined by the PCM.

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

Cassette Lamp: The scan tool displays On/Off. The state of the cassette indicator as reported by the radio.

CD Changer Disc Number: The scan tool displays the number of the current CD as reported by the radio.

CD Changer Track Number: The scan tool displays the number of the current track as reported by the radio.

CD Lamp: The scan tool displays On/Off. The state of the CD indicator as reported by the radio.

Check Gages Lamp: The scan tool displays On/Off. The state of the CHECK GAGES indicator in the systems monitor as commanded by the IPC.

Check Gages Lamp: The scan tool displays On/Off. The state of the CHECK GAGES indicator in the HUD as requested by the IPC.

Check Oil Level Lamp: The scan tool displays On/Off. The state of the CHECK OIL LEVEL indicator in the systems monitor as commanded by the IPC.

Component Serial #: The scan tool displays the serial numbers of the HUD.

DIC Mode Button: The scan tool displays On/Off. The IPC monitors the MODE button of the DIC switch. A closed switch is displayed as On.

DIC Reset Button: The scan tool displays On/Off. The IPC monitors the RESET button of the DIC switch. A closed switch is displayed as On.

DIC Select Button: The scan tool displays On/Off. The IPC monitors the SELECT button of the DIC switch. A closed switch is displayed as On.

Door Ajar Lamp: The scan tool displays On/Off. The state of the DOOR AJAR indicator in the systems monitor as commanded by the IPC.

ECT Sensor: The scan tool displays -40 to +151°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/Low. The PCM monitors the signal circuit of the engine oil level switch, where an open switch is displayed as Low (low engine oil level).

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

Engine Oil Pressure Sensor: The scan tool displays 0-19 volts. The PCM monitors the signal circuit of the engine oil pressure sensor.

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

Engine Speed: The scan tool displays 0-9999 RPM. Engine speed is computed by the PCM from the 3X reference input. It should remain close to desired idle under various engine loads with the engine idling.

English/Metric Status: The scan tool displays English/Metric. The state of the units displayed on the HUD as requested by the IPC.

English/Metric Switch: The scan tool displays Active/Inactive. The IPC monitors the E/M button of the DIC switch. 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.

FM Lamp: The scan tool displays On/Off. The state of the FM indicator as reported by the radio.

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 of the fuel level sensor. The IPC receives a class 2 message from the PCM indicating the fuel level percent.

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 indicator on the HUD as requested by the dash integration module (DIM).

Ignition 1: The scan tool displays On/Off. The IPC monitors the ignition 1 voltage circuit. The scan tool displays On when there is voltage present.

Ignition 3: The scan tool displays On/Off. The HUD monitors the ignition 3 voltage circuit. The scan tool displays On when there is voltage present.

Ignition Counter: The scan tool displays 0-50. The IPC counts the number of times the ignition is cycled.

Ignition Counter: The scan tool displays 0-50. The HUD counts the number of times the ignition is cycled.

Ignition Voltage: The scan tool displays 0-19 volts. The voltage measured at the ignition 3 voltage circuit of the HUD.

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

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

Key In Ignition: The scan tool displays Yes/No. The instrument panel integration module (IPM) (with CJ2) or the HVAC control module (CCP) (with C67) monitors the ignition key alarm switch, where a closed switch is displayed as Yes (key is in the ignition).

Km/h (mph Export) Lamp: The scan tool displays On/Off. The state of the km/h (MPH export) indicator as commanded by the IPC.

Low Brake Fluid: The scan tool displays On/Off. The IPC monitors the brake fluid level indicator switch. A closed switch is displayed as On (low brake fluid).

Low Fuel Lamp: The scan tool displays On/Off. The state of the low fuel indicator on the HUD as requested by the IPC.

Low Traction Lamp: The scan tool displays On/Off. The state of the LOW TRAC indicator as commanded by the IPC.

Low Wiper Fluid: The scan tool displays On/Off. The IPC monitors the windshield washer fluid level switch. A closed switch is displayed as On (low washer fluid).

Low Wiper Fluid Lamp: The scan tool displays On/Off. The state of the WASHER FLUID indicator in the systems monitor as commanded by the IPC.

Left Turning Signal Switch: 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.

Left Turning Signal Switch: The scan tool displays On/Off. The HUD monitors the left turn signal supply voltage circuit, where an active turn signal toggles between On and Off.

MAP Sensor: The scan tool displays 10-105 kPa (1-15 psi)/0-5 volts. The PCM monitors the signal circuit of the manifold absolute pressure (MAP) sensor. The IPC receives a class 2 message from the PCM indicating the manifold pressure in order to control the boost gauge.

mph (km/h Export) Lamp: The scan tool displays On/Off. The state of the MPH (km/h export) indicator as commanded by the IPC.

Outside Status: The scan tool displays Day/Night. The time of day as determined by the instrument panel integration module (IPC) or the HVAC control module (CCP) 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.

Park Lamp: The scan tool displays On/Off. The dash integration module (DIM) monitors the headlamp switch, where a closed switch is displayed as On (headlamp switch is in the park or head position).

PRNDL Drive (amber): The scan tool displays On/Off. The state of the amber drive (D) indicator as commanded by the IPC.

PRNDL Drive (red): The scan tool displays On/Off. The state of the red drive (D) indicator as commanded by the IPC.

PRNDL Neutral (amber): The scan tool displays On/Off. The state of the amber neutral (N) indicator as commanded by the IPC.

PRNDL Neutral (red): The scan tool displays On/Off. The state of the red neutral (N) indicator as commanded by the IPC.

PRNDL Park (amber): The scan tool displays On/Off. The state of the amber park (P) indicator as commanded by the IPC.

PRNDL Park (red): The scan tool displays On/Off. The state of the red park (P) indicator as commanded by the IPC.

PRNDL Reverse (amber): The scan tool displays On/Off. The state of the amber reverse (R) indicator as commanded by the IPC.

PRNDL Reverse (red): The scan tool displays On/Off. The state of the red reverse (R) indicator as commanded by the IPC.

PRNDL 1st (amber): The scan tool displays On/Off. The state of the amber first gear (1) indicator as commanded by the IPC.

PRNDL 1st (red): The scan tool displays On/Off. The state of the red first gear (1) indicator as commanded by the IPC.

PRNDL 2nd (amber): The scan tool displays On/Off. The state of the amber second gear (2) indicator as commanded by the IPC.

PRNDL 2nd (red): The scan tool displays On/Off. The state of the red second gear (2) indicator as commanded by the IPC.

PRNDL 3rd (amber): The scan tool displays On/Off. The state of the amber third gear (3) indicator as commanded by the IPC.

PRNDL 3rd (red): The scan tool displays On/Off. The state of the red third gear (3) indicator as commanded by the IPC.

PROM ID: The scan tool displays the 4-digit number that the identifies the IPC PROM.

PROM ID: The scan tool displays the 4-digit number that the identifies the HUD PROM.

Radio Frequency: The scan tool displays the radio frequency as reported by the radio.

Right Turning Signal Switch: The scan tool displays On/Off. The IPC monitors the right turn signal lamps supply voltage circuit, where an active turn signal toggles between On and Off.

Right Turning Signal Switch: The scan tool displays On/Off. The HUD monitors the right turn signal lamps supply voltage circuit, where an active turn signal toggles between On and Off.

Security Lamp: The scan tool displays On/Off. The state of the SECURITY indicator as commanded by the IPC.

Serial Number: The scan tool displays the 4 digit serial number.

Single CD Disc Number: The scan tool displays the number of the current CD as reported by the radio.

Single CD Track Number: The scan tool displays the number of the current track as reported by the radio.

SVS Lamp (DIC W/O Boost): The scan tool displays On/Off. The state of the SERVICE VEHICLE SOON indicator as commanded by the IPC.

Tire Reset Switch: The scan tool displays On/Off. The IPC monitors the TIRE RESET button of the DIC switch, where a closed switch is displayed as On.

Traction Off Lamp: The scan tool displays On/Off. The state of the TRAC 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.

Trunk Ajar Lamp: The scan tool displays On/Off. The state of the TRUNK AJAR indicator in the systems monitor as commanded by the IPC.

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: The scan tool displays 0-255 km/h (0-155 mph). The HUD 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 voltage at the signal circuit of the vehicle speed sensor. The voltage is proportional to the vehicle speed.

VF Dim: The scan tool displays 0-19 volts. The HUD monitors the VF dimming signal circuit of the HUD switch.

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

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

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

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

"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application ID". RPO Codes