Symbol | Reference | ||||||||
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| ABS: Refer to ABS Description and Operation | ||||||||
| Air Bag: Refer to SIR System Description and Operation | ||||||||
(Canada) BRAKE (U.S.) | Brake: Refer to Brake Warning System Description and Operation | ||||||||
| Charge: Refer to Charging System Description and Operation | ||||||||
(Canada) CRUISE (U.S.) | CRUISE: Refer to Cruise Control Description and Operation | ||||||||
| Fasten Safety Belt: Refer to Seat Belt System Description and Operation | ||||||||
| Four Wheel Drive: Refer to
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| High Beam: Refer to Exterior Lighting Systems Description and Operation | ||||||||
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PARK BRAKE | Park Brake: Refer to Park Brake System Description and Operation | ||||||||
(Canada) SECURITY (U.S.) | SECURITY: Refer to Theft Systems Description and Operation | ||||||||
(Canada) SERVICE ENGINE SOON (U.S.) | Malfunction Indicator Lamp (MIL): Refer to
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| Traction Off: Refer to ABS Description and Operation | ||||||||
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| Turn Signals: Refer to Exterior Lighting Systems Description and Operation | ||||||||
| Upshift Indicator: The instrument panel cluster (IPC) illuminates the shift indicator when the powertrain control module (PCM) determines that the vehicle should be shifted to the next higher gear. | ||||||||
| Wait to Start: Refer to Engine Control Module Description for the 6.6L engine |
Message | Reference | ||||||||
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BATTERY NOT CHARGING | |||||||||
CARGO DOOR AJAR | |||||||||
CHANGE ENGINE OIL | The instrument panel cluster (IPC) illuminates the CHANGE ENGINE OIL message when the engine control module (ECM) determines that the engine oil should be changed. Refer to GM Oil Life System Resetting . | ||||||||
CHANGE FUEL FILTER | The instrument panel cluster (IPC) illuminates the CHANGE FUEL FILTER messages in the driver information center (DIC) when the powertrain control module (PCM) determines that the fuel filter should be changed. | ||||||||
CHECK OIL LEVEL | The instrument panel cluster (IPC) illuminates the CHECK OIL LEVEL message in the driver information center (DIC) when the powertrain control module (PCM) detects a low engine oil level condition. | ||||||||
CHECK WASHER FLUID | |||||||||
CNG LEVEL SHOWN | The instrument panel cluster (IPC) illuminates the CNG LEVEL SHOWN message in the driver information center (DIC) when the powertrain control module (PCM) detects that the fuel gage selector switch is pressed while the vehicle is operating on gasoline. | ||||||||
DRIVER DOOR AJAR | |||||||||
ELEVATED IDLE DISABLED | Refer to Engine Control Module Description for the 6.6L (LLY) engine | ||||||||
ELEVATED IDLE ENABLED | Refer to Engine Control Module Description for the 6.6L (LLY) engine | ||||||||
ENGINE AUTOSTART MODE | |||||||||
ENGINE COOLANT HOT | |||||||||
ENGINE OVERHEATED | |||||||||
FUEL FILTER LIFE RESET | The instrument panel cluster (IPC) illuminates the FUEL FILTER LIFE RESET message when the fuel filter reset procedure is completed. | ||||||||
FUEL LEVEL LOW | The instrument panel cluster (IPC) illuminates the FUEL LEVEL LOW message in the driver information center (DIC) and the LOW FUEL indicator when the IPC detects that the fuel level is less than a pre-determined value. | ||||||||
GASOLINE LEVEL SHOWN | The instrument panel cluster (IPC) illuminates the GASOLINE LEVEL SHOWN message in the driver information center (DIC) when the powertrain control module (PCM) detects that the fuel gage selector switch is pressed while the vehicle is operating on CNG. | ||||||||
GRADE BREAKING ACTIVE | Refer to Transmission Indicators and Messages for the Allison transmission | ||||||||
HOOD AJAR | |||||||||
ICE POSSIBLE | The instrument panel cluster (IPC) illuminates the ICE POSSIBLE message in the driver information center (DIC) when the outside air temperature drops below 2.5°C (36.5°F). | ||||||||
LEFT REAR DOOR AJAR | |||||||||
LOW COOLANT LEVEL | |||||||||
LOW FUEL | Low Fuel: The instrument panel cluster (IPC) illuminates the FUEL LEVEL LOW message in the driver information center (DIC) and the LOW FUEL indicator when the IPC detects that the fuel level is less than a pre-determined value. | ||||||||
OIL LIFE RESET | The instrument panel cluster (IPC) illuminates the OIL LIFE RESET message when the powertrain control module (PCM) determines that the engine oil should be changed. Refer to GM Oil Life System Resetting . | ||||||||
OIL PRESSURE LOW | The instrument panel cluster (IPC) illuminates the OIL PRESSURE LOW message in the driver information center (DIC) when the powertrain control module (PCM) detects a low oil pressure condition. | ||||||||
OVERSPEED | 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). | ||||||||
PASSENGER DOOR AJAR | |||||||||
PROGRAM CLUSTER | The instrument panel cluster (IPC) illuminates the PROGRAM CLUSTER message in the driver information center (DIC) when the IPC has not been programmed after an IPC replacement. Refer to Service Programming System (SPS) . | ||||||||
RANGE SHIFT INHIBITED | Refer to Transmission Indicators and Messages for the Allison transmission | ||||||||
REDUCED ENGINE POWER | Refer to
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REPLACE LIFTGATE FUSE | |||||||||
RFA X BATTERY LOW | |||||||||
RIGHT REAR DOOR AJAR | |||||||||
RUNNING ON GASOLINE | The instrument panel cluster (IPC) illuminates the RUNNING ON GASOLINE message in the driver information center (DIC) when the vehicle is operating on gasoline. | ||||||||
SEATBELT REMINDER | |||||||||
SERVICE 42V BATTERIES | |||||||||
SERVICE 4WD | Refer to
| ||||||||
SERVICE AIR BAG | Refer to SIR System Description and Operation | ||||||||
SERVICE BRAKE BOOSTER | |||||||||
SERVICE BRAKE SYSTEM | Refer to ABS Description and Operation | ||||||||
SERVICE BRAKE SYSTEM | |||||||||
SERVICE STABILITY | Refer to ABS Description and Operation | ||||||||
SERVICE STEER SYSTEM | |||||||||
STABILITY SYSTEM ACTIVE | Refer to ABS Description and Operation | ||||||||
STABILITY SYSTEM DISABLED | Refer to ABS Description and Operation | ||||||||
STABILITY SYSTEM READY | Refer to ABS Description and Operation | ||||||||
TIGHTEN FUEL CAP | Refer to Evaporative Emission Control System Description for the 4.3L engine, Evaporative Emission Control System Description for the 4.8L, 5.3L, and 6.0L engine or Evaporative Emission Control System Description for the 8.1L engine | ||||||||
TRACTION ACTIVE | Refer to ABS Description and Operation | ||||||||
TRACTION SYSTEM LIMITED | Refer to ABS Description and Operation | ||||||||
TRANS IN WARM UP |
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TURN SIGNAL ON | Refer to Exterior Lighting Systems Description and Operation | ||||||||
VEHICLE SPEED LIMITED | The instrument panel cluster (IPC) illuminates the VEHICLE SPEED LIMITED message in the driver information center (DIC). | ||||||||
WAIT TO DRIVE | The instrument panel cluster (IPC) illuminates the WAIT TO DRIVE message in the driver information center (DIC) when the vehicle is not ready to drive after starting. | ||||||||
WATER IN FUEL | The instrument panel cluster (IPC) illuminates the WATER IN FUEL message in the driver information center (DIC) when the powertrain control module (PCM) detects a low signal from the water in fuel sensor. | ||||||||
42V SWITCH OFF | |||||||||
120V DISABLED | |||||||||
120V GROUND FAULT | |||||||||
120V READY | |||||||||
120V OVERLOAD | |||||||||
XX% FUEL FILTER LIFE | The instrument panel cluster (IPC) receives a class 2 message from the engine control module (ECM) indicating the remaining fuel filter life percent. Once the filter is changed, the fuel filter reset procedure must be performed in order to reset the fuel filter life monitor back to 100 percent. |