Table 1: | IPC Indicators |
Table 2: | Message Center Indicators |
The indicator description and operation uses generic indicator titles. Refer to the table below for the indicators that are available on this vehicle:
Vehicle Indicator Name | Indicator Description Title |
---|---|
ABS symbol | ABS Indicator |
Air Bag symbol | Air Bag Indicator |
Brake symbol (Canada) | Brake System Indicator(s) |
BRAKE (U.S.) | Brake System Indicator(s) |
Check Engine symbol | Malfunction Indicator Lamp (MIL) |
CRUISE | Cruise Control Indicator |
Saftey Belt Reminder symbol | Fasten Safety Belt Indicator |
High Beam symbol | Lighting System Indicator(s) |
TRAC OFF | Traction Control System Indicator(s) |
Turn Signal symbols | Lighting System Indicator(s) |
Vehicle Indicator Name | Indicator Description Title |
---|---|
Battery symbol | Charging System Indicator(s) |
CHANGE ENGINE OIL | Engine Oil Indicator(s) |
HIGHBEAM OUT | Lighting System Indicator(s) |
LOW COOLANT LEVEL | Engine Coolant Indicator(s) |
LOW FUEL symbol | Fuel System Indicator(s) |
LOW ENG OIL LEVEL | Engine Oil Indicator(s) |
LOW TIRE PRESSURE | Tire Pressure Indicator(s) |
LOW WASHER FLUID | Washer Fluid Indicator |
DOOR AJAR | Door Ajar Indicator(s) |
HOT COOLANT TEMP | Engine Coolant Indicator(s) |
LOW OIL PRESSURE | Engine Oil Indicator(s) |
SECURITY | Theft System Indicator(s) |
SERVICE TRACTION SYSTEM | Traction Control System Indicator(s) |
SERVICE VEHICLE SOON | Electrical System Indicator(s) |
TRACTION ACTIVE | Traction Control System Indicator(s) |
TRUNK OPEN | Trunk Ajar 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. |
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. |
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 sends a class 2 message to the radio in order to activate 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. |
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. |
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.
The IPC illuminates the DOOR AJAR indicator in the message center when the body control module (BCM) detects that the driver or passenger door is open. The IPC receives a class 2 message from the BCM requesting illumination. If the vehicle is in a forward or reverse gear position, the BCM sends a class 2 message to the radio in order to activate an audible warning.
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. |
The IPC illuminates the HOT COOLANT TEMP indicator in the message center 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 radio in order to activate an audible warning.
The IPC illuminates the LOW COOLANT LEVEL indicator in the message center when the IPC detects a low coolant level condition (signal circuit is low). The IPC sends a class 2 message to the radio in order to activate an audible warning.
The IPC illuminates the CHANGE ENGINE OIL indicator in the message center 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 ENGINE OIL indicator. Refer to GM Oil Life System Resetting in Maintenance and Lubrication.
The IPC illuminates the LOW ENG OIL LEVEL indicator in the message center 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 ENG OIL LEVEL 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 radio in order to activate an audible warning.
The IPC illuminates the LOW OIL PRESSURE indicator in the message center 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 radio in order to activate an audible warning.
The IPC illuminates the fasten safety belt indicator when the following occurs:
• | The inflatable restraint sensing and diagnostic module (SDM) detects that the driver's seat belt is unbuckled. The IPC receives a class 2 message from the SDM requesting illumination. The IPC illuminates the indicator for 20 seconds and then flashes the indicator for 55 seconds. The IPC also sends a class 2 message to the radio in order to activate the audible warning. |
• | 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 SDM. |
The IPC illuminates the LOW FUEL indicator in the message center 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 radio in order to activate an audible warning.
The IPC illuminates the high beam indicator when the body control module (BCM) detects that the high beams are requested. The IPC receives a class 2 message from the BCM requesting illumination.
The IPC illuminates the HIGHBEAM OUT indicator in the message center when the body control module (BCM) detects an open in one of the highbeam lamp circuits. The IPC receives a class 2 message from the BCM requesting illumination. The HIGHBEAM OUT indicator illuminates for 60 seconds when the condition is present.
The IPC illuminates the right or left turn signal indicator when the IPC detects a turn signal request or a hazard request. If the IPC determines that the turn signal is active for more than 1.2 km (0.75 mi), the IPC sends a class 2 message to the radio in order to activate an audible warning.
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. |
The IPC illuminates the SECURITY indicator in the message center as determined by the vehicle theft deterrent (VTD) system and the content theft deterrent (CTD) system. The IPC receives a class 2 message from the body control module (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. |
• | The CTD system requests the IPC to illuminate the indicator only when the ignition switch is OFF. The CTD system uses the indicator in order to identify system status. |
The IPC illuminates the LOW TIRE PRESSURE indicator in the message center when the electronic brake control module (EBCM) detects low pressure in any of the four tires. The IPC receives a class 2 message from the EBCM requesting illumination. The IPC sends a class 2 message to the radio in order to activate an audible warning.
The IPC illuminates the SERVICE TRACTION SYSTEM indicator in the message center when the electronic brake control module (EBCM) detects a malfunction in the traction control system. The IPC receives a class 2 message from the EBCM requesting illumination. The SERVICE TRACTION SYSTEM indicator illuminates for 60 seconds when the condition is present. The IPC sends a class 2 message to the radio in order to activate an audible warning.
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 BCM sends a class 2 message to the radio in order to activate an audible warning. |
The IPC illuminates the TRACTION ACTIVE indicator in the message center when the electronic brake control module (EBCM) detects a traction control event. The IPC receives a class 2 message from the EBCM requesting illumination.
The IPC illuminates the TRUNK OPEN indicator in the message center when the body control module (BCM) detects that the trunk is ajar or open (signal circuit is low). The IPC receives a class 2 message from the BCM requesting illumination. If the vehicle is in a forward or reverse gear position, the BCM sends a class 2 message to the radio in order to activate an audible warning.
The IPC illuminates the LOW WASHER FLUID indicator in the message center when the IPC detects a low washer fluid condition (signal circuit is low). The LOW WASHER FLUID indicator illuminates for 60 seconds when the condition is present.