Indicator/Warning Message Description and Operation
Indicator/Warning Message Description and Operation
CHANGE OIL SOON
The instrument panel cluster (IPC) displays the CHANGE OIL SOON message in the driver information center (DIC) when the engine control module (ECM) determines that the engine oil needs to changed. The ECM sends a serial data message to the IPC requesting the display of CHANGE OIL SOON message. After the oil is changed, reset the engine oil monitor. Refer to GM Oil Life System Resetting (Service and Repair).
LOW OIL LEVEL
The instrument panel cluster (IPC) displays the LOW OIL LEVEL message in the driver information center (DIC) when the engine control module (ECM) detects a low engine oil level condition. The IPC receives a serial data message requesting display of the LOW OIL LEVEL message from the ECM.
LOW ENGINE OIL PRESSURE
The instrument panel cluster (IPC) illuminates the LOW ENGINE OIL PRESSURE indicator in the IPC when the engine control module (ECM) detects a low engine oil pressure. The IPC receives a serial data message requesting the indicator illumination from the ECM.
LOW FUEL
The instrument panel cluster (IPC) displays the LOW FUEL message in the DIC and the LOW FUEL indicator in the IPC when the engine control module (ECM) determines that the fuel level is less than 8.2 percent. The IPC receives a serial data message indicating the fuel level from the ECM.
LOW OIL PRESSURE
The instrument panel cluster (IPC) displays the LOW OIL PRESSURE message in the DIC when the engine control module (ECM) detects a low engine oil pressure condition. The IPC receives a serial data message requesting the LOW OIL PRESSURE message display from the ECM.
OVERSPEED (Gulf States)
The instrument panel cluster (IPC) illuminates the OVERSPEED indicator when the IPC detects that the vehicle speed is more than 120 km/h (75 mph).
SERVICE VEHICLE SOON
The driver information center (DIC) displays the SERVICE VEHICLE SOON message when the engine control module (ECM) detects certain malfunctions that are not related to the emissions system. The IPC receives a serial data message requesting the warning message display from the ECM.