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Chevy Truck
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2006
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Uplander FWD V6-3.9L VIN 1
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Tachometer
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Description and Operation
Tachometer: Description and Operation
TACHOMETER
The instrument panel cluster (IPC) displays the engine speed as determined by the powertrain control module (PCM). The IPC receives a class 2 message from the PCM indicating the engine speed.