Operation CHARM
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1997
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DeVille Concours 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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Description and Operation
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PCM Fault Message
PCM Fault Message
The IPC displays the PCM FAULT message upon receipt of a Class 2 serial data bus request from the PCM. The PCM requests this message display when DTCs P0601 and P0602 are detected.