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Cadillac
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1999
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Seville STS V8-4.6L VIN 9
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Repair and Diagnosis
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Instrument Panel, Gauges and Warning Indicators
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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Warning/Status Message List
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Service Transmission
Service Transmission
when the PCM detects a that a transmission malfunction exists, the PCM sends a class 2 serial data message to the IPC requesting that this message is displayed.