C 1500 Truck 2WD V8-5.3L VIN T (1999)
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Oil Level Sensor: Description and Operation
The CHECK ENG OIL LEVEL message is sent to the cluster as a class 2 serial data message from the VCM/PCM. The CHECK ENG OIL LEVEL
message will be added to the message center display when the VCM/PCM receives the engine oil level low from the engine oil level switch.