GM Service Manual Online
For 1990-2009 cars only

Indicator Status

Diagnosis

Source of the Message

CHANGE OIL

CHANGE ENGINE OIL Warning Not Operating Properly

PCM

Engine Coolant Temp

CHECK COOLANT TEMP Warning Not Operating Properly

PCM

High Beam

High Beam Indicator Malfunction

BCM

Low Coolant

LOW COOLANT Warning Not Operating Properly

PCM

Low Fuel

LOW FUEL Warning Not Operating Properly

PCM

LOW TRACTION

Low Traction Indicator Always On or Low Traction Indicator Inoperative

EBCM

LOW WASHER

LOW WASHER FLUID Warning Not Operating Properly

BCM

OIL LEVEL

CHECK ENG OIL LEVEL Not Operating Properly

PCM

Oil Pressure

CHECK ENG OIL PRESSURE Not Operating Properly

PCM

SERVICE ENGINE SOON

Powertrain On Board Diagnostic (OBD) System Check

PCM

SERVICE VEHICLE SOON

Body Control Module System Check

BCM

UP SHIFT

Shift Warning Not Operating Properly

PCM

Volts

Battery Charge Indicator Inoperative

PCM