For 1990-2009 cars only
8-Digit GM Part Number: The scan tool displays the GM 8-digit
part number of the instrument panel cluster (IPC).
ABS 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 antilock brake system (ABS) indicator as commanded by the IPC.
Battery: 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 BCM.
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.
Cargo Door Ajar Switch: The scan tool displays Closed or Open. This is the state of the cargo door ajar switch as monitored by the body control module (BCM).
Change Engine Oil: The scan tool displays On or Off. This is the state of the change engine oil 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.
Chime: The scan tool displays On or Off. This is the state of the chime warning as commanded by the multifunction alarm module.
Chime Duration: The scan tool displays cycles. This is the duration of the chime warning as commanded by the multifunction alarm module.
Chime Frequency: The scan tool displays Hz. This is the frequency of the chime warning as provided by the multifunction alarm module.
Chime Type: The scan tool displays Fast/Medium/Medium Slow/Slow/Off. This is the chime type as provided by the radio.
Chime Type: The scan tool displays Fast/Medium/Medium Slow/Slow/Off. This is the chime type as provided by the multifunction alarm module.
Coolant Level Switch: The scan tool displays Ok or Low. The powertrain control module (PCM) monitors the coolant level switch signal circuit. A closed switch is displayed as Ok.
Cruise Control: The scan tool displays On or Off. This is the state of the cruise control indicator as commanded by the IPC.
Cruise Control Active: The scan tool displays On or Off. This is the state of the cruise control as commanded by the PCM.
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 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.
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 monitored engine oil pressure from the PCM.
Driver Door Ajar Switch: The scan tool displays On or Off. This is the state of the driver door ajar switch as monitored by the BCM.
DRL Lamp: The scan tool displays On or Off. This is the state of the daytime running lamps (DRL) indicator as commanded by the IPC.
DTC Set This Ignition: The scan tool displays 0-50 counts. This in the number of DTCs set in one ignition cycle.
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-volts. The PCM monitors the signal circuit of the engine oil pressure sensor. A high sensor voltage indicates a high engine oil pressure. A low sensor voltage indicates a low engine oil pressure.
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.
Fasten Seat Belts: The scan tool displays On or Off. This is the state of the fasten safety belt indicator as commanded by the IPC.
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 Tank Level Remaining: The scan tool displays Liters (Gallons). 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 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 Rated Capacity: The scan tool displays Liters (Gallons). This is the fuel tank rated capacity as stored in the PCM.
Headlamp Switch: The scan tool displays Active or Inactive. This is the state of the headlamp switch as monitored by the BCM.
High Beam Lamp: The scan tool displays On or Off. This is the state of the high beam indicator as commanded by the IPC.
HydroMax Flow Switch: The scan tool displays Closed or Open. This is the state of the hydromax flow switch as monitored by 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. This is the voltage measured at the ignition 1 signal circuit of the PCM.
Ign. Since Current DTC: The scan tool displays 0-50. The multifunction alarm module counts the number of times the ignition is cycled from the last DTC.
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 radio counts the number of times the ignition is cycled from the last DTC.
Ignition Unlock: The scan tool displays Active or Inactive. This is the state of the ignition switch as monitored by the BCM.
Indicator Type: The scan tool displays the system or indicator associated with a chime warning as determined by the multifunction alarm module.
Julian Date of Build: The scan tool displays the 3-digit build date of the IPC.
Key in Ignition: The scan tool displays Yes or No. The BCM monitors the ignition key alarm switch. The scan tool displays Yes when the ignition key is fully inserted into the ignition switch cylinder.
Left Turn Input: The scan tool displays Open or Closed. This is the state of the left turn signal indicator as commanded by the IPC.
Low Fuel Lamp: The scan tool displays On or Off. This is the state of the low fuel indicator as commanded by the IPC.
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 (malfunction indicator lamp) as commanded by the PCM.
Monitored Battery Voltage: The scan tool displays 0-19 volts. This is the PCM monitored battery voltage provided to the IPC via the class 2 serial data link.
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.
Monitored Vehicle Speed: The scan tool displays 0-255 km/h (0-155 mph). This is the PCM monitored vehicle speed provided to the IPC via the class 2 serial data link.
Park Brake Switch: The scan tool displays Set or Released. This is the state of the park brake switch as monitored by the BCM.
Parklamp Switch: The scan tool displays Active or Inactive. This is the state of the parklamp switch as monitored by the BCM.
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.
Rap Relay: The scan tool displays On or Off. This is the state of the rap relay as monitored by the BCM.
Right Turn Input: The scan tool displays Open or Closed. This is the state of the right turn signal indicator as commanded by the IPC.
Security Lamp: The scan tool displays On or Off. This is the state of the security lamp as commanded by the IPC.
Tow/Haul: The scan tool displays On or Off. This is the state of the tow/haul indicator as commanded by the IPC.
TR Sw.: The scan tool displays On or Off. This is the state of the TR Sw. as monitored by the PCM.
Trip Odometer A: The scan tool displays kilometers or miles. This is the trip data stored and displayed in the Trip Odometer A.
Trip Odometer B: The scan tool displays kilometers or miles. This is the trip data stored and displayed in the Trip Odometer B.
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 Sensor: The scan tool displays 0-255 km/h (0-155 mph). The PCM monitors the signal circuit of the vehicle speed sensor to determine the vehicle speed.
Year Module Built: The scan tool displays the 4-digit number which corresponds to the year that the IPC was manufactured.
ABS 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 antilock brake system (ABS) indicator as commanded by the IPC.
Battery: 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 BCM.
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.
Cargo Door Ajar Switch: The scan tool displays Closed or Open. This is the state of the cargo door ajar switch as monitored by the body control module (BCM).
Change Engine Oil: The scan tool displays On or Off. This is the state of the change engine oil 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.
Chime: The scan tool displays On or Off. This is the state of the chime warning as commanded by the multifunction alarm module.
Chime Duration: The scan tool displays cycles. This is the duration of the chime warning as commanded by the multifunction alarm module.
Chime Frequency: The scan tool displays Hz. This is the frequency of the chime warning as provided by the multifunction alarm module.
Chime Type: The scan tool displays Fast/Medium/Medium Slow/Slow/Off. This is the chime type as provided by the radio.
Chime Type: The scan tool displays Fast/Medium/Medium Slow/Slow/Off. This is the chime type as provided by the multifunction alarm module.
Coolant Level Switch: The scan tool displays Ok or Low. The powertrain control module (PCM) monitors the coolant level switch signal circuit. A closed switch is displayed as Ok.
Cruise Control: The scan tool displays On or Off. This is the state of the cruise control indicator as commanded by the IPC.
Cruise Control Active: The scan tool displays On or Off. This is the state of the cruise control as commanded by the PCM.
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 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.
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 monitored engine oil pressure from the PCM.
Driver Door Ajar Switch: The scan tool displays On or Off. This is the state of the driver door ajar switch as monitored by the BCM.
DRL Lamp: The scan tool displays On or Off. This is the state of the daytime running lamps (DRL) indicator as commanded by the IPC.
DTC Set This Ignition: The scan tool displays 0-50 counts. This in the number of DTCs set in one ignition cycle.
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-volts. The PCM monitors the signal circuit of the engine oil pressure sensor. A high sensor voltage indicates a high engine oil pressure. A low sensor voltage indicates a low engine oil pressure.
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.
Fasten Seat Belts: The scan tool displays On or Off. This is the state of the fasten safety belt indicator as commanded by the IPC.
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 Tank Level Remaining: The scan tool displays Liters (Gallons). 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 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 Rated Capacity: The scan tool displays Liters (Gallons). This is the fuel tank rated capacity as stored in the PCM.
Headlamp Switch: The scan tool displays Active or Inactive. This is the state of the headlamp switch as monitored by the BCM.
High Beam Lamp: The scan tool displays On or Off. This is the state of the high beam indicator as commanded by the IPC.
HydroMax Flow Switch: The scan tool displays Closed or Open. This is the state of the hydromax flow switch as monitored by 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. This is the voltage measured at the ignition 1 signal circuit of the PCM.
Ign. Since Current DTC: The scan tool displays 0-50. The multifunction alarm module counts the number of times the ignition is cycled from the last DTC.
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 radio counts the number of times the ignition is cycled from the last DTC.
Ignition Unlock: The scan tool displays Active or Inactive. This is the state of the ignition switch as monitored by the BCM.
Indicator Type: The scan tool displays the system or indicator associated with a chime warning as determined by the multifunction alarm module.
Julian Date of Build: The scan tool displays the 3-digit build date of the IPC.
Key in Ignition: The scan tool displays Yes or No. The BCM monitors the ignition key alarm switch. The scan tool displays Yes when the ignition key is fully inserted into the ignition switch cylinder.
Left Turn Input: The scan tool displays Open or Closed. This is the state of the left turn signal indicator as commanded by the IPC.
Low Fuel Lamp: The scan tool displays On or Off. This is the state of the low fuel indicator as commanded by the IPC.
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 (malfunction indicator lamp) as commanded by the PCM.
Monitored Battery Voltage: The scan tool displays 0-19 volts. This is the PCM monitored battery voltage provided to the IPC via the class 2 serial data link.
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.
Monitored Vehicle Speed: The scan tool displays 0-255 km/h (0-155 mph). This is the PCM monitored vehicle speed provided to the IPC via the class 2 serial data link.
Park Brake Switch: The scan tool displays Set or Released. This is the state of the park brake switch as monitored by the BCM.
Parklamp Switch: The scan tool displays Active or Inactive. This is the state of the parklamp switch as monitored by the BCM.
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.
Rap Relay: The scan tool displays On or Off. This is the state of the rap relay as monitored by the BCM.
Right Turn Input: The scan tool displays Open or Closed. This is the state of the right turn signal indicator as commanded by the IPC.
Security Lamp: The scan tool displays On or Off. This is the state of the security lamp as commanded by the IPC.
Tow/Haul: The scan tool displays On or Off. This is the state of the tow/haul indicator as commanded by the IPC.
TR Sw.: The scan tool displays On or Off. This is the state of the TR Sw. as monitored by the PCM.
Trip Odometer A: The scan tool displays kilometers or miles. This is the trip data stored and displayed in the Trip Odometer A.
Trip Odometer B: The scan tool displays kilometers or miles. This is the trip data stored and displayed in the Trip Odometer B.
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 Sensor: The scan tool displays 0-255 km/h (0-155 mph). The PCM monitors the signal circuit of the vehicle speed sensor to determine the vehicle speed.
Year Module Built: The scan tool displays the 4-digit number which corresponds to the year that the IPC was manufactured.
