Operation CHARM
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Pontiac
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1998
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Grand Prix V6-3.8L SC VIN 1
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Description and Operation
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Instrument Panel Cluster (IPC)
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Service Engine Soon Indicator
Service Engine Soon Indicator
The Powertrain Control Module
(PCM)
controls the service engine soon indicator. Refer to
Computers and Controls
.
Computers and Control Systems