The indicator description and operation uses generic indicator names. Refer to the table below for the indicators that are available on this vehicle:
Vehicle Indicator Name | Indicator Description Title |
|---|---|
ABS symbol (Canada) | ABS Indicator |
Air Bag symbol (Canada) | Air Bag Indicator(s) |
AIR BAG (U.S.) | Air Bag Indicator(s) |
ANTI-LOCK (U.S.) | ABS Indicator |
Battery symbol | Charging System Indicator(s) |
BRAKE symbol | Brake System Indicator(s) |
CHANGE OIL SOON | Engine Oil Indicator(s) |
Check Engine symbol (Canada) | Malfunction Indicator Lamp (MIL) |
CRUISE | Cruise Control Indicator |
DOOR/TRUNK | Door/Trunk Ajar Indicator(s) |
Engine Coolant Temperature Warning symbol | Engine Coolant Indicator(s) |
Fasten Safety Belt symbol | Fasten Safety Belt Indicator |
High Beam symbol | Lighting System Indicator(s) |
LOW COOLANT | Engine Coolant Indicator(s) |
Low Fuel Light | Fuel System Indicator |
LOW OIL | Engine Oil Indicator(s) |
LOW TIRE | Tire Pressure Indicator |
LOW TRAC | Traction Control System Indicators |
LOW WASH | Washer Fluid Indicator(s) |
Oil Pressure symbol | Engine Oil Indicator(s) |
SECURITY | Theft System Indicator(s) |
SERVICE ENGINE SOON (U.S.) | Malfunction Indicator Lamp (MIL) |
SERVICE VEHICLE SOON | Electrical System Indicator(s) |
TC symbol (Canada) | Traction Control System Indicator(s) |
TEMP | Engine Coolant Indicator(s) |
TRACTION CONTROL (U.S.) | Traction Control System Indicator(s) |
Turn Signal symbols | Lighting System Indicator(s) |
ABS Indicator
The IPC illuminates the ABS indicator when the following occurs:
| • | The electronic brake control module (EBCM) detects a malfunction with the antilock brake system. The IPC receives a class 2 message from the EBCM requesting illumination. |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
| • | The IPC detects a loss of class 2 communications with the EBCM. |
Air Bag Indicator
The IPC illuminates the air bag indicator when the following occurs:
| • | The inflatable restraint sensing and diagnostic module (SDM) detects a malfunction with the supplemental inflatable restraint system. The IPC receives a class 2 message from the SDM requesting illumination. |
| • | The IPC performs the displays test at the start of each ignition cycle. The IPC flashes the air bag indicator 7 times. |
| • | The IPC detects a loss of class 2 communications with the SDM. |
Brake System Indicator
The IPC illuminates the brake indicator when the following occurs:
| • | The body control module (BCM) detects that the park brake is engaged. The IPC receives a class 2 message from the BCM requesting illumination. If the vehicle is shifted out of park with the park brake engaged, the BCM activates an audible warning. |
| • | The IPC detects a low brake fluid condition (signal circuit is low). |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
Charging System Indicator
The IPC illuminates the charge indicator in the message center when the following occurs:
| • | The PCM detects that the generator output is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the PCM requesting illumination. |
| • | The IPC determines that the system voltage is less than 11 volts or greater than 16 volts. The IPC receives a class 2 message from the body control module (BCM) indicating the system voltage. |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
| • | The ignition is ON, with the engine OFF. |
Cruise Control Indicator
The IPC illuminates the CRUISE indicator when the PCM detects that the cruise control is requested. The IPC receives a class 2 message from the PCM requesting illumination.
Door/Trunk Ajar Indicator
The IPC illuminates the DOOR/TRUNK indicator in the message center when the body control module (BCM) detects that any of the four doors or the trunk is open. The IPC receives a class 2 message from the BCM requesting illumination. If the vehicle is shifted out of park with a door or the trunk open, the BCM sends a class 2 message to the radio in order to activate an audible warning.
Electrical System Indicator
The IPC illuminates the SERVICE VEHICLE SOON indicator in the message center when the following occurs:
| • | The body control module (BCM) detects certain malfunctions in the lighting system or the horn system. The IPC receives a class 2 message from the BCM requesting illumination. |
| • | The PCM detects certain non-emissions related malfunctions. The IPC receives a class 2 message from the PCM requesting illumination. |
Tire Pressure Indicator
The IPC illuminates the LOW TIRE indicator when the electronic brake control module (EBCM) detects the pressure in one of the four tires is 12 psi (83 kPa) lower than the other three tires. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the BCM in order to activate an audible warning.
Engine Oil Indicator(s)
CHANGE ENGINE OIL
The IPC illuminates the CHANGE OIL SOON indicator when the PCM determines that the engine oil should be changed. The IPC receives a class 2 message from the PCM requesting illumination. Once the oil is changed, perform the engine oil monitor reset procedure in order to clear the CHANGE OIL SOON indicator. Refer to GM Oil Life System - Resetting in Maintenance and Lubrication.
LOW ENG OIL LEVEL
The IPC illuminates the LOW OIL indicator when the PCM detects a low engine oil level condition (signal circuit is high). The IPC receives a class 2 message from the PCM requesting illumination. The LOW OIL indicator illuminates for 60 seconds at the start of each ignition cycle when the condition is present. The IPC sends a class 2 message to the BCM in order to activate an audible warning.
LOW OIL PRESSURE
The IPC illuminates the Low Oil Pressure indicator when the PCM detects low oil pressure (signal circuit is high). The IPC receives a class 2 message from the PCM requesting illumination. The IPC sends a class 2 message to the BCM in order to activate an audible warning.
Engine Oil Indicator(s)
CHANGE OIL
The IPC illuminates the CHANGE OIL indicator when the following occurs:
| • | The PCM determines that the engine oil should be changed. The IPC receives a class 2 message from the PCM requesting illumination. Once the oil is changed, perform the engine oil monitor reset procedure in order to clear the CHANGE OIL indicator. Refer to GM Oil Life System Resetting in Maintenance and Lubrication. |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
Engine Oil Pressure
The IPC illuminates the engine oil pressure indicator when the following occurs:
| • | PCM detects low oil pressure (signal circuit is low). The IPC receives a class 2 message from the PCM requesting illumination. |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
LOW OIL
The IPC illuminates the LOW OIL indicator when the following occurs:
| • | The PCM detects a low engine oil level condition (signal circuit is high). The system only monitors the oil level for a brief period between key on and engine crank. The IPC receives a class 2 message from the PCM requesting illumination. The LOW OIL indicator illuminates for 60 seconds at the start of each ignition cycle when the condition is present. |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
Fuel System Indicator
The IPC illuminates the low fuel indicator when the IPC detects that the fuel level is less than a pre-determined value. The IPC receives a class 2 message from the PCM indicating the fuel level percent. The IPC sends a class 2 message to the BCM in order to activate an audible warning.
Lighting System Indicator(s)
High Beam
The high beam indicator is hard wired to the headlamp switch. The high beam indicator illuminates when the headlamp switch is in the high position (signal circuit is low).
Turn Signals
The left and right turn signal indicators are hard wired to the turn signal switch and the hazard switch. The turn signal indicator illuminates when the turn signal lamps supply voltage circuit is active. The body control module (BCM) is also hard wired to the turn signal switch. If the BCM determines that the turn signal flasher signal circuit is active for more than 1.2 km (0.75 mi), the BCM activates an audible warning.
Malfunction Indicator Lamp (MIL)
The PCM illuminates the MIL (service engine soon or check engine) when the following occurs:
| • | The PCM detects a malfunction in the emissions system. |
| • | The PCM performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
| • | The ignition is on, with the engine off. |
Theft System Indicator(s)
SECURITY
The IPC illuminates the SECURITY indicator as determined by the vehicle theft deterrent (VTD) system. The IPC receives a class 2 message from the BCM requesting illumination.
The VTD system requests the IPC to illuminate the indicator only when the ignition switch is ON. The VTD system uses the indicator as a malfunction indicator.
Engine Coolant Indicator(s)
CHECK COOLANT TEMP
The IPC illuminates the ENGINE COOLANT TEMPERATURE WARNING indicator when the IPC determines that the coolant temperature is greater than 121°C (250°F).
HOT COOLANT TEMP
The IPC illuminates the TEMP indicator when the IPC determines that the coolant temperature is greater than 121°C (250°F). The IPC receives a class 2 message from the PCM indicating the coolant temperature. The IPC sends a class 2 message to the BCM in order to activate an audible warning.
LOW COOLANT LEVEL
The IPC illuminates the LOW COOLANT indicator when the IPC detects a low coolant level condition (signal circuit is low). The IPC sends a class 2 message to the BCM in order to activate an audible warning.
Traction Control System Indicator(s)
TRAC OFF
The IPC illuminates the TRAC OFF indicator when the following occurs:
| • | The electronic brake control module (EBCM) inhibits the traction control system due to a malfunction in the traction control system. The IPC receives a class 2 message from the EBCM requesting illumination. |
| • | The body control module (BCM) detects that the traction control switch has been pressed (signal circuit is low). The BCM sends a class 2 message to the EBCM in order to disable traction control. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the BCM in order to activate an audible warning. |
LOW TRAC
The IPC illuminates the LOW TRAC indicator when the electronic brake control module (EBCM) detects a traction control event. The IPC receives a class 2 message from the EBCM requesting illumination.
Washer Fluid Indicator
The IPC illuminates the low washer fluid indicator when the following occurs:
| • | The IPC detects a low washer fluid condition (signal circuit is low). |
| • | The IPC performs the displays test at the start of each ignition cycle. The indicator illuminates for approximately 3 seconds. |
